CN106970711B - Method and equipment for aligning VR display device and display terminal screen - Google Patents
Method and equipment for aligning VR display device and display terminal screen Download PDFInfo
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- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1407—General aspects irrespective of display type, e.g. determination of decimal point position, display with fixed or driving decimal point, suppression of non-significant zeros
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- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1454—Digital output to display device ; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay
- G06F3/1462—Digital output to display device ; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay with means for detecting differences between the image stored in the host and the images displayed on the remote displays
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Abstract
The invention provides a method for judging alignment of a VR display device and a display terminal screen, which comprises S1, wherein the VR display device measures the brightness value of the display terminal screen displaying a light band/light spot through a brightness measuring module; s2, the VR display device/display terminal analyzes the brightness value obtained in the step S1 to determine a brightness threshold value, and the display terminal acquires a position point of the brightness threshold value corresponding to the screen of the display terminal; s3, the display terminal judges whether the position point obtained in the step S2 is matched with the position point of the brightness measurement module on the VR display device, if so, the VR display device is aligned with the display terminal screen; if not, the VR display device is not aligned with the display terminal screen. The invention effectively finishes the judgment and adjustment of the alignment of the VR display device and the display terminal screen, and is convenient for users to use.
Description
Technical Field
The invention relates to virtual reality, in particular to a method and equipment for judging and adjusting alignment of a VR display device and a display terminal screen.
Background
The Virtual Reality display equipment, referred to as VR (Virtual Reality) display equipment for short, is a display equipment which is used for sealing the vision and the hearing of people to the outside and guiding a user to generate a sense of faithful Virtual sceneries, and the display principle is that left and right eye screens respectively display images of left and right eyes, and the human eyes generate stereoscopic impression in the brain and sea after acquiring the information with differences. However, VR head-mounted display devices have become an important trend of VR display devices due to their portability.
Divide according to present VR's hardware form, VR head-mounted display device mainly divide into three: external head-mounted equipment, integral type head show and remove the end and show. External head-mounted device also is called PC end and shows, need just can use it to connect the computer, and external head-mounted device's user experience is better, possesses independent screen, and product structure is complicated, technical content is higher, receives the constraint of data line, and the unable free activity of user. The integrated head display has independent functions of CPU, input and output display, and does not need to use any input and output equipment. The mobile terminal display is a so-called mobile phone box display, has simple structure and low price, can be watched by only putting a mobile phone, and is convenient to use.
When a user uses a mobile phone box type head display product, the position of the mobile phone must be carefully adjusted, so that the center of an image displayed on a mobile phone screen is aligned with the center of a lens of a VR head display, and if the alignment is in a problem, the center point of left and right partial images displayed on the mobile phone screen deviates from the optical axis of the lens of the VR head display, so that normal imaging in eyes of the user cannot be realized, and discomfort of the user can be caused. However, the existing VR head displays compatible with various screen sizes of mobile phones generally do not provide the functions of detecting the display position of the mobile phone image and automatically aligning with the optical center of the VR head display, and only the user can manually and continuously adjust the placement position of the mobile phone to align.
Disclosure of Invention
In order to solve the above problems, the present invention provides a method and an apparatus for determining and adjusting alignment between a VR display device and a display terminal screen. The method and the equipment for judging and adjusting the alignment of the VR display device and the display terminal screen effectively finish the judgment and the adjustment of the alignment of the VR display device and the display terminal screen, and are convenient for users to use.
The technical scheme adopted by the invention is as follows:
a method for judging alignment of a VR display device and a display terminal screen comprises the following steps:
s1, the VR display device measures the brightness value of the display terminal screen displaying the light band/light spot through the brightness measuring module;
s2, the VR display device/display terminal analyzes the brightness value obtained in the step S1 to determine a brightness threshold value, and the display terminal acquires a position point of the brightness threshold value corresponding to the screen of the display terminal;
s3, the display terminal judges whether the position point obtained in the step S2 is matched with the position point of the brightness measurement module on the VR display device, if so, the VR display device is aligned with the display terminal screen; if not, the VR display device is not aligned with the display terminal screen.
The method for determining alignment between the VR display device and the display terminal screen further includes step S0, where the display terminal determines whether the VR display device supports the method for determining alignment between the VR display device and the display terminal screen; if yes, go to step S1; if not, prompting the user that the VR display device does not support the judging method, and asking the user to artificially judge and adjust to ensure the optimal display effect.
In the above method for determining alignment between the VR display device and the display terminal screen, step S0 further includes a method for determining, by the display terminal, whether the user needs to use the method for determining alignment between the VR display device and the display terminal screen, if yes, go to step S1; if not, the user is prompted to make a manual decision and adjust to ensure optimal display.
The method for determining the alignment between the VR display device and the display terminal screen in the foregoing embodiment, wherein the step S1 includes the following steps:
s11, displaying a preset picture on a display terminal screen, and informing a VR display device to measure the brightness value;
s12, the VR display device measures the brightness value of the screen of the display terminal displaying the preset picture through the brightness measuring module and sends the brightness value to the display terminal through the data transmission module;
s13, the display terminal receives and records the brightness value obtained in the step S12 as a background brightness value;
s14, the display terminal sets the scanning step and the scanning step number, sets the light band/light spot with different color from the preset picture at a certain initial position on the preset picture, and informs the VR display device to measure the brightness value;
and S15, the VR display device measures the brightness value of the display terminal screen displaying the light band/light spot through the brightness measuring module.
The method for determining the alignment between the VR display device and the screen of the display terminal further includes step S16, and the VR display device sends the brightness value obtained in step S15 to the display terminal through the data transmission module.
The method for determining the alignment between the VR display device and the display terminal screen in the foregoing embodiment, wherein the step S2 includes the following steps:
s21, the display terminal receives and records the brightness value obtained in the step S15 as a light band/light spot brightness value, compares the light band/light spot brightness value with the background brightness value, and judges whether the brightness threshold value is reached; if yes, go to step S23, if no, go to step S22;
s22, the display terminal judges whether the scanning steps are finished, if yes, the display terminal informs the user that the judging method can not be finished, and prompts the user to artificially judge and adjust to ensure the best display effect; if not, moving the position of the light band or the light spot according to the set steps, and then, going to step S15;
and S23, the display terminal acquires a position point corresponding to the screen reaching the brightness threshold.
The method for determining the alignment between the VR display device and the display terminal screen in the foregoing embodiment, wherein the step S2 includes the following steps:
s21, the VR display device takes the brightness value obtained in the step S15 as a light band/light spot brightness value, compares the light band/light spot brightness value with the background brightness value, and judges whether the brightness threshold value is reached; if yes, go to step S23, if no, go to step S22;
s22, the VR display device sends the judgment result to the display terminal through the data transmission module, the display terminal judges whether the scanning steps are finished, if yes, the display terminal informs the user that the judgment method cannot be finished, and prompts the user to artificially judge and adjust to ensure the best display effect; if not, moving the position of the light band or the light spot according to the set steps, and then, going to step S15;
and S23, the VR display device sends the brightness threshold value to the display terminal through the data transmission module, and the display terminal acquires the position point corresponding to the brightness threshold value on the screen.
A method for adjusting the alignment of a VR display device and a display terminal screen comprises the following steps: s4, when the result of the judgment in the step S3 is that the VR display device is not aligned with the screen of the display terminal, the display terminal adjusts the central point positions of the left and right partial images on the screen according to the measured actual coordinate of the lighting window of the VR display device brightness measurement module on the screen;
the step S4 includes the following steps:
s41, the display terminal acquires the coordinate information of the position point of the brightness measurement module on the VR display device;
s42, the display terminal acquires the coordinate information of the target point of the display terminal screen corresponding to the coordinate information of the step S41;
s43, the display terminal acquires the offset distance of the display image on the screen of the display terminal according to the coordinate information of the target point and the coordinate information of the position point of the brightness threshold value corresponding to the screen of the display terminal;
and S44, the display terminal adjusts the image display position in the screen of the display terminal according to the offset distance.
A method for judging the alignment between a VR display device and a display terminal screen comprises the following steps:
s1, the VR display device measures the brightness value of the display terminal screen displaying the light band/light spot through the brightness measuring module;
s2, the VR display device/display terminal analyzes the brightness value obtained in the step S1 to determine a brightness threshold value, and the display terminal acquires a position point of the brightness threshold value corresponding to the screen of the display terminal;
the display terminal judges whether the position point obtained in the step S2 is matched with the position point of the brightness measurement module on the VR display device, if so, the VR display device is aligned with the display terminal screen; if not, the VR display device is not aligned with the display terminal screen.
In the method for determining the alignment between the VR display device and the display terminal screen, the step S1 includes the following steps:
s11, when the display terminal screen displays the predetermined picture, the VR display device receives the notice of the display terminal and measures the brightness value, the VR display device measures the brightness value of the display terminal screen displaying the predetermined picture through the brightness measurement module and sends the brightness value to the display terminal through the data transmission module; the brightness value is received and recorded by the display terminal as a background brightness value;
and S12, when the display terminal sets the scanning step and the scanning step number, and sets a light band/light spot with a color different from that of the preset picture at a certain initial position on the preset picture, the VR display device receives the notice of the display terminal to measure the brightness value, and measures the brightness value of the display terminal screen displaying the light band/light spot through the brightness measuring module.
The method for determining the alignment between the VR display device and the screen of the display terminal further includes step S13, wherein the VR display device transmits the brightness value obtained in step S12 to the display terminal through the data transmission module.
In the method for determining the alignment between the VR display device and the display terminal screen, the step S2 includes the following steps:
s21, the VR display device takes the brightness value obtained in the step S12 as a light band/light spot brightness value, compares the light band/light spot brightness value with the background brightness value, and judges whether the brightness threshold value is reached; if yes, go to step S23, if no, go to step S22;
s22, the VR display device sends the judgment result to the display terminal through the data transmission module, the display terminal judges whether the scanning steps are finished, if yes, the display terminal informs the user that the judgment method cannot be finished, and prompts the user to artificially judge and adjust to ensure the best display effect; if not, moving the position of the light band or the light spot according to the set steps, and then, going to step S12;
and S23, the VR display device sends the brightness threshold value to the display terminal through the data transmission module, and the display terminal acquires the position point corresponding to the brightness threshold value on the screen.
A method for judging the alignment of a screen of a display terminal and a VR display device comprises the following steps:
s1, the display terminal displays the light band/light spot, and the display terminal acquires the brightness value measured by the VR display device through the brightness measuring module;
s2, the display terminal determines a brightness threshold according to the brightness value obtained in the step S1, and the display terminal obtains a position point of the brightness threshold corresponding to the screen of the display terminal;
s3, the display terminal judges whether the position point obtained in the step S2 is matched with the position point of the brightness measurement module on the VR display device, if so, the VR display device is aligned with the display terminal screen; if not, the VR display device is not aligned with the display terminal screen.
The method for determining the alignment between the screen of the display terminal and the VR display device in the display terminal further includes step S0, where the display terminal determines whether the VR display device supports the method for determining the alignment between the VR display device and the screen of the display terminal; if yes, go to step S1; if not, prompting the user that the VR display device does not support the judging method, and asking the user to artificially judge and adjust to ensure the optimal display effect.
In the foregoing method for determining the alignment between the screen of the display terminal and the VR display device, the step S0 further includes determining, by the display terminal, whether the user needs to use the method for determining the alignment between the VR display device and the screen of the display terminal, and if so, going to step S1; if not, the user is prompted to make a manual decision and adjust to ensure optimal display.
In the above method for determining the alignment between the screen of the display terminal and the VR display device, the step S1 includes the following steps:
s11, displaying a preset picture on a display terminal screen, and informing a VR display device to measure the brightness value;
s12, the display terminal acquires the brightness value of the display terminal screen which displays the preset picture and is measured by the VR display device through the brightness measuring module;
s13, the display terminal sets the scanning step and the scanning step number, sets the light band/light spot with different color from the preset picture at a certain initial position on the preset picture, and informs the VR display device to measure the brightness value;
and S14, the display terminal acquires the brightness value of the display terminal screen of the display light band/light spot measured by the VR display device through the brightness measuring module.
In the above method for determining the alignment between the screen of the display terminal and the VR display device, the step S2 includes the following steps:
s21, the display terminal records the brightness value obtained in the step S14 as a light band/light spot brightness value, compares the light band/light spot brightness value with the background brightness value, and judges whether the brightness threshold value is reached; if yes, go to step S23, if no, go to step S22;
s22, the display terminal judges whether the scanning steps are finished, if yes, the display terminal informs the user that the judging method can not be finished, and prompts the user to artificially judge and adjust to ensure the best display effect; if not, moving the position of the light band or the light spot according to the set steps, and then, going to step S14;
and S23, the display terminal acquires a position point corresponding to the screen reaching the brightness threshold.
A method for adjusting the alignment of a screen of a display terminal and a VR display device comprises the steps of the method for judging the alignment of the screen of the display terminal and the VR display device, and further comprises the following steps:
s4, when the VR display device is not aligned with the screen of the display terminal according to the judgment result of the step S3, the display terminal adjusts the position of the center point of the left-right partial image on the screen according to the measured actual coordinate of the lighting window of the VR display device brightness measuring module on the screen;
the step S4 includes the following steps:
s41, the display terminal acquires the coordinate information of the position point of the brightness measurement module on the VR display device;
s42, the display terminal acquires the coordinate information of the target point of the display terminal screen corresponding to the coordinate information of the step S41;
s43, the display terminal acquires the offset distance of the display image on the screen of the display terminal according to the coordinate information of the target point and the coordinate information of the position point of the brightness threshold value corresponding to the screen of the display terminal;
and S44, the display terminal adjusts the image display position in the screen of the display terminal according to the offset distance.
A VR display apparatus for mounting a display terminal, the apparatus comprising:
the bracket is used for mounting the display terminal;
a VR display module; the VR effect is used for being matched with a display terminal to present the VR effect generated by the image displayed on the screen of the display terminal to a user;
a brightness measurement module: the system comprises a display terminal, a brightness measurement module and a calibration point position, wherein the display terminal is used for measuring the brightness value of a screen of the display terminal and sending the brightness value to the display terminal, and the brightness measurement module is fixedly installed at the calibration point position of a VR display module.
The VR display device for installing a display terminal, wherein the brightness measuring module comprises:
the brightness measuring unit is used for measuring the brightness value of the display terminal screen;
the processor unit is used for acquiring the brightness value and sending the brightness value to the display terminal through the data transmission unit so that the display terminal adjusts the screen of the display terminal according to the brightness value;
and the data transmission unit is used for data transmission between the VR display device and the display terminal.
The VR display device for installing the display terminal is characterized in that the calibration point is arranged at the center of a lighting window of the VR display module.
A display terminal mounted on a VR display device, wherein the display terminal comprises:
the screen is used for displaying images in cooperation with the VR display device so as to present VR effect;
a processor to:
acquiring a brightness value measured by a VR display device through a brightness measuring module;
determining a brightness threshold according to the brightness value, and acquiring a position point of the brightness threshold corresponding to a display terminal screen;
judging whether the position point is matched with the position point of the brightness measurement module on the VR display device or not, if so, aligning the VR display device with a display terminal screen; and if not, the VR display device is not aligned with the screen of the display terminal, and the display position of the image on the screen of the display terminal is adjusted.
Compared with the prior art, the method and the device have the advantages that whether the image display position of the screen of the display terminal is aligned with the lighting window of the VR display device or not is determined according to the position of the brightness measurement module on the VR display device and the brightness threshold value of the screen of the display terminal acquired by the brightness measurement module through measurement, so that the automatic alignment of the central position of the screen display image and the VR display device is realized, the problem that a user can only rely on manual adjustment of the position of the mobile terminal to realize the low-efficiency alignment of the two is avoided, the use of the user is facilitated, and the user experience is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic block diagram of a VR display device for mounting a display terminal and a display terminal in accordance with the present invention;
FIG. 2 is a flowchart of a method for determining alignment between a VR display device and a display terminal according to the present invention;
fig. 3 is a flowchart of an embodiment of a method for determining alignment between a VR display device and a display terminal according to the present invention;
fig. 4 is a flowchart of another embodiment of a method for determining alignment between a VR display device and a display terminal according to the present invention;
FIG. 5 is a flowchart of a method for adjusting the alignment between a VR display device and a display terminal according to the present invention;
fig. 6 is a flowchart of an embodiment of a method for determining alignment between a VR display device and a display terminal screen according to the present invention;
fig. 7 is a flowchart of another embodiment of a method for determining alignment between a VR display device and a display terminal screen according to the present invention;
FIG. 8 is a flowchart of a method for determining alignment of a screen of a display terminal with a VR display device according to the present invention;
fig. 9 is a flowchart of a method for adjusting the alignment between the screen of the display terminal and the VR display device according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the invention provides a VR display device 1 and a display terminal 3 for mounting a display terminal, where the VR display device 1 includes a support, a VR display module 7 and a brightness measurement module 2, where the display terminal 3 is mounted on the support of the VR display device 1, the support includes a glasses type support or a helmet type support, and the support supports display terminals with various screen sizes, and can implement mounting and fixing functions of various types of display terminals 3. A preferred support such as a universal VR headset is made of a variety of materials and can be affixed to the user's head, such as the millet VR toy version and Google Cardboard products.
The VR display module 7 is used for being matched with the display terminal 3 to present a VR effect to a user, wherein the VR effect means that a screen of the display terminal 3 can display a left image and a right image, the contents of the left image and the right image are similar but slightly different, and a stereoscopic effect can be formed in a human brain after the left image and the right image are observed by human eyes, so that the user can feel in a virtual scene.
The brightness measurement module 2 is fixedly installed at a calibration point position of the VR display module 7, and the brightness measurement module 2 is configured to measure a brightness value of a screen of the display terminal 3 and send the brightness value to the display terminal 3. Preferably, the calibration point selects the center position of the lighting window of the VR display module.
The luminance measuring module 2 described above includes: a brightness measurement unit 4, a processor unit 5 and a data transmission unit 6.
Wherein the brightness measuring unit 4 is used for measuring the brightness value of the screen of the display terminal 3. Here, the luminance measuring unit 4 is an optical sensor that can detect the luminance value of an image displayed on the screen of the display terminal 3. The brightness measuring unit 4 is fixedly installed at a calibration point on the support, and preferably, the calibration point is the central position of a lighting window of the VR display module 7. The center position may be defined in various ways, and a preferred definition is a center line of the optical lenses of the VR display module 7, i.e., an intersection line of a vertical plane of a connecting line of optical centers of the left optical lens and the right optical lens and a plane formed by the display terminal screen.
And the processor unit 5 is configured to obtain the brightness value, and send the brightness value to the display terminal 3 through the data transmission unit 6, so that the display terminal 3 adjusts the screen according to the brightness value. The processor unit 5 is here a control module which, in addition to receiving and processing the luminance values from the luminance measuring unit 4, is also responsible for receiving and processing commands and status information from the display terminal 3 and for transmitting the processed luminance values to the display terminal 3 via the data transmission unit 5.
A data transmission unit 6 for data transmission between the VR display device 1 and the display terminal 3, wherein the transmitted information includes both the luminance value transmitted from the VR display device 1 to the display terminal 3 and the control command and status information transmitted from the display terminal 3 to the VR display device 1.
The above-described display terminal 3 includes a screen for displaying an image and a processor for implementing a display position automatic adjustment function of the screen image. The display terminal provided by the embodiment of the application can be any mobile terminal with different types and sizes, such as a mobile phone, an iPAD and the like,
the screen is used for displaying images in cooperation with the VR display device so as to present a VR effect; preferably, two images with similar but slightly different contents can be displayed on the screen in a split mode, and the screen is divided into a left screen and a right screen which correspond to the left optical lens and the right optical lens of the VR display module.
The processor is configured to:
acquiring the brightness value of the VR display device 1 measured by the brightness measuring module 2;
determining a brightness threshold according to the brightness value, and acquiring a position point of the brightness threshold corresponding to the screen of the display terminal 3;
judging whether the position point is matched with the position point of the brightness measurement module on the VR display device or not, if so, aligning the VR display device with a display terminal screen; and if not, the VR display device is not aligned with the screen of the display terminal, and the display position of the image on the screen of the display terminal is adjusted.
As shown in fig. 2, the method for determining alignment between a VR display device and a display terminal screen according to the present invention includes the following steps:
in one embodiment, it preferably includes step S01, where the display terminal determines whether the VR display device supports the method for determining whether the VR display device is aligned with the screen of the display terminal; if yes, go to step S1; if not, prompting the user that the VR display device does not support the judging method, and asking the user to artificially judge and adjust to ensure the optimal display effect.
In one embodiment, it is preferable to go to step S02 when the determination result of step S01 is yes.
In an embodiment, it is preferable that the method includes step S02, where the display terminal determines whether the user needs to use the VR display device to align with the screen of the display terminal, and if so, goes to step S1; if not, the user is prompted to make a manual decision and adjust to ensure optimal display.
S1, the VR display device measures the brightness value of the display terminal screen displaying the light band/light spot through the brightness measuring module;
s11, displaying a preset picture on a display terminal screen, and informing a VR display device to measure the brightness value;
s12, the VR display device measures the brightness value of the screen of the display terminal displaying the preset picture through the brightness measuring module and sends the brightness value to the display terminal through the data transmission module;
s13, the display terminal receives and records the brightness value obtained in the step S12 as a background brightness value;
s14, the display terminal sets the scanning step and the scanning step number, sets the light band/light spot with different color from the preset picture at a certain initial position on the preset picture, and informs the VR display device to measure the brightness value;
and S15, the VR display device measures the brightness value of the display terminal screen displaying the light band/light spot through the brightness measuring module.
As shown in fig. 3, in an embodiment, it is preferable that the VR display device transmits the luminance value obtained in step S15 to the display terminal through the data transmission module, which preferably includes step S16. At this time, step S2 is as follows:
s2, the display terminal analyzes the brightness value obtained in the step S1 to determine a brightness threshold value, and the display terminal acquires a position point of the brightness threshold value corresponding to the screen of the display terminal; the method comprises the following specific steps:
s21, the display terminal receives and records the brightness value obtained in the step S15 as a light band/light spot brightness value, compares the light band/light spot brightness value with the background brightness value, and judges whether the brightness threshold value is reached; if yes, go to step S23, if no, go to step S22;
s22, the display terminal judges whether the scanning steps are finished, if yes, the display terminal informs the user that the judging method can not be finished, and prompts the user to artificially judge and adjust to ensure the best display effect; if not, moving the position of the light band or the light spot according to the set steps, and then, going to step S15;
and S23, the display terminal acquires a position point corresponding to the screen reaching the brightness threshold.
As shown in fig. 4, in another embodiment, after step S15 is completed, step S2 is executed, and step S2 is executed as follows:
s2, the VR display device analyzes the brightness value obtained in the step S1 to determine a brightness threshold value, and the display terminal obtains a position point of the brightness threshold value corresponding to the screen of the display terminal; the method comprises the following specific steps:
s21, the VR display device takes the brightness value obtained in the step S15 as a light band/light spot brightness value, compares the light band/light spot brightness value with the background brightness value, and judges whether the brightness threshold value is reached; if yes, go to step S23, if no, go to step S22;
s22, the VR display device sends the judgment result to the display terminal through the data transmission module, the display terminal judges whether the scanning steps are finished, if yes, the display terminal informs the user that the judgment method cannot be finished, and prompts the user to artificially judge and adjust to ensure the best display effect; if not, moving the position of the light band or the light spot according to the set steps, and then, going to step S15;
and S23, the VR display device sends the brightness threshold value to the display terminal through the data transmission module, and the display terminal acquires the position point corresponding to the brightness threshold value on the screen.
After completion of step S2 to step S3 in the above-described different embodiments.
S3, the display terminal judges whether the position point obtained in the step S2 is matched with the position point of the brightness measurement module on the VR display device, if so, the VR display device is aligned with the display terminal screen; if not, the VR display device is not aligned with the display terminal screen.
The position point of the brightness measurement module on the VR display device is the calibration point of the brightness measurement module fixedly arranged on the VR display module in the VR display device for arranging the display terminal.
The brightness measurement module selects a fixed position point of a lighting window in the VR display device at a position point of the VR display device, such as 1/2 or 1/3 or 1/4. Here, the correspondence matching means that when the luminance measurement module is located at 1/2 position points in the lateral direction of the lighting window in the VR display device, and if it is reached that the luminance threshold value is located at 1/2 position points in the lateral direction of the screen of the display terminal, the display terminal determines that the position point obtained in step S2 corresponds to the position point of the luminance measurement module on the VR display device, and the VR display device is aligned with the display terminal screen.
As shown in fig. 5, a method for adjusting alignment between a VR display device and a display terminal screen includes the method for determining alignment between the VR display device and the display terminal screen, and further includes the following steps:
s4, when the result of the judgment in the step S3 is that the VR display device is not aligned with the screen of the display terminal, the display terminal adjusts the central point positions of the left and right partial images on the screen according to the measured actual coordinate of the lighting window of the VR display device brightness measurement module on the screen;
the step S4 includes the following steps:
s41, the display terminal acquires the coordinate information of the position point of the brightness measurement module on the VR display device;
s42, the display terminal acquires the coordinate information of the target point of the display terminal screen corresponding to the coordinate information of the step S41;
s43, the display terminal acquires the offset distance of the display image on the screen of the display terminal according to the coordinate information of the target point and the coordinate information of the position point of the brightness threshold value corresponding to the screen of the display terminal;
and S44, the display terminal adjusts the image display position in the screen of the display terminal according to the offset distance.
When the display terminal determines that the position point obtained in the step S2 does not correspond to the position point of the luminance measuring module on the VR display device, if the luminance measuring module is located at the lateral 1/2 position point of the lighting window in the VR display device and the position point corresponding to the screen reaching the luminance threshold is not located at the lateral 1/2 position point of the screen of the display terminal, the distance between the position point corresponding to the screen reaching the luminance threshold and the lateral 1/2 position point of the screen of the display terminal is calculated as the offset distance.
A method for judging the alignment between a VR display device and a display terminal screen comprises the following steps:
s1, the VR display device measures the brightness value of the display terminal screen displaying the light band/light spot through the brightness measuring module;
s11, when the display terminal screen displays the predetermined picture, the VR display device receives the notice of the display terminal and measures the brightness value, the VR display device measures the brightness value of the display terminal screen displaying the predetermined picture through the brightness measurement module and sends the brightness value to the display terminal through the data transmission module; the brightness value is received and recorded by the display terminal as a background brightness value;
and S12, when the display terminal sets the scanning step and the scanning step number, and sets a light band/light spot with a color different from that of the preset picture at a certain initial position on the preset picture, the VR display device receives the notice of the display terminal to measure the brightness value, and measures the brightness value of the display terminal screen displaying the light band/light spot through the brightness measuring module.
As shown in fig. 6, in an embodiment, it is preferable that the VR display device further includes a step S13, and the VR display device transmits the brightness value obtained in the step S12 to the display terminal through the data transmission module. At this time, the contents of step S2 are as follows: and S2, the display terminal analyzes the brightness value obtained in the step S1 to determine a brightness threshold value, and the display terminal acquires a position point corresponding to the brightness threshold value on the screen of the display terminal.
As shown in fig. 7, in another embodiment, step S2 is reached after step S12 ends, and step S2 is as follows: and S2, the VR display device analyzes the brightness value obtained in the step S1 to determine a brightness threshold, the VR display device sends the brightness threshold to the display terminal, and the display terminal acquires a position point of the brightness threshold corresponding to the screen of the display terminal. At this time, step S2 includes the steps of:
s21, the VR display device takes the brightness value obtained in the step S12 as a light band/light spot brightness value, compares the light band/light spot brightness value with the background brightness value, and judges whether the brightness threshold value is reached; if yes, go to step S23, if no, go to step S22;
s22, the VR display device sends the judgment result to the display terminal through the data transmission module, the display terminal judges whether the scanning steps are finished, if yes, the display terminal informs the user that the judgment method cannot be finished, and prompts the user to artificially judge and adjust to ensure the best display effect; if not, moving the position of the light band or the light spot according to the set steps, and then, going to step S12;
and S23, the VR display device sends the brightness threshold value to the display terminal through the data transmission module, and the display terminal acquires the position point corresponding to the brightness threshold value on the screen.
The display terminal judges whether the position point obtained in the step S2 is matched with the position point of the brightness measurement module on the VR display device, if so, the VR display device is aligned with the display terminal screen; if not, the VR display device is not aligned with the display terminal screen.
As shown in fig. 8, a method for determining alignment of a screen thereof with a VR display device in a display terminal includes the steps of:
in one embodiment, it preferably includes step S01, where the display terminal determines whether the VR display device supports the method for determining whether the VR display device is aligned with the screen of the display terminal; if yes, go to step S1; if not, prompting the user that the VR display device does not support the judging method, and asking the user to artificially judge and adjust to ensure the optimal display effect.
In one embodiment, it is preferable to go to step S02 when the determination result of step S01 is yes.
In an embodiment, it is preferable that the method includes step S02, where the display terminal determines whether the user needs to use the VR display device to align with the screen of the display terminal, and if so, goes to step S1; if not, the user is prompted to make a manual decision and adjust to ensure optimal display.
S1, the display terminal displays the light band/light spot, and the display terminal acquires the brightness value measured by the VR display device through the brightness measuring module; the method specifically comprises the following steps:
s11, displaying a preset picture on a display terminal screen, and informing a VR display device to measure the brightness value;
s12, the display terminal acquires the brightness value of the display terminal screen which displays the preset picture and is measured by the VR display device through the brightness measuring module;
s13, the display terminal sets the scanning step and the scanning step number, sets the light band/light spot with different color from the preset picture at a certain initial position on the preset picture, and informs the VR display device to measure the brightness value;
and S14, the display terminal acquires the brightness value of the display terminal screen of the display light band/light spot measured by the VR display device through the brightness measuring module.
S2, the display terminal determines a brightness threshold according to the brightness value obtained in the step S1, and the display terminal obtains a position point of the brightness threshold corresponding to the screen of the display terminal; the method specifically comprises the following steps:
s21, the display terminal records the brightness value obtained in the step S14 as a light band/light spot brightness value, compares the light band/light spot brightness value with the background brightness value, and judges whether the brightness threshold value is reached; if yes, go to step S23, if no, go to step S22;
s22, the display terminal judges whether the scanning steps are finished, if yes, the display terminal informs the user that the judging method can not be finished, and prompts the user to artificially judge and adjust to ensure the best display effect; if not, moving the position of the light band or the light spot according to the set steps, and then, going to step S14;
and S23, the display terminal acquires a position point corresponding to the screen reaching the brightness threshold.
S3, the display terminal judges whether the position point obtained in the step S2 is matched with the position point of the brightness measurement module on the VR display device, if so, the VR display device is aligned with the display terminal screen; if not, the VR display device is not aligned with the display terminal screen.
As shown in fig. 9, a method for adjusting the alignment between the screen of a display terminal and a VR display device in the display terminal includes the method for determining the alignment between the screen of the display terminal and the VR display device in the display terminal, and further includes the following steps:
s4, when the VR display device is not aligned with the screen of the display terminal according to the judgment result of the step S3, the display terminal adjusts the position of the center point of the left-right partial image on the screen according to the measured actual coordinate of the lighting window of the VR display device brightness measuring module on the screen;
the step S4 includes the following steps:
s41, the display terminal acquires the coordinate information of the position point of the brightness measurement module on the VR display device;
s42, the display terminal acquires the coordinate information of the target point of the display terminal screen corresponding to the coordinate information of the step S41;
s43, the display terminal acquires the offset distance of the display image on the screen of the display terminal according to the coordinate information of the target point and the coordinate information of the position point of the brightness threshold value corresponding to the screen of the display terminal;
and S44, the display terminal adjusts the image display position in the screen of the display terminal according to the offset distance.
In addition, some of the present application may be implemented as a computer program product, such as computer program instructions, which when executed by a computer, may invoke or provide methods and/or techniques in accordance with the present application through the operation of the computer. Program instructions which invoke the methods of the present application may be stored on a fixed or removable recording medium and/or transmitted via a data stream on a broadcast or other signal-bearing medium and/or stored within a working memory of a computer device operating in accordance with the program instructions. An embodiment according to the present application comprises an apparatus comprising a memory for storing computer program instructions and a processor for executing the program instructions, wherein the computer program instructions, when executed by the processor, trigger the apparatus to perform a method and/or a solution according to the aforementioned embodiments of the present application.
It will be evident to those skilled in the art that the present application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned. Furthermore, it is obvious that the word "comprising" does not exclude other elements or steps, and the singular does not exclude the plural. A plurality of units or means recited in the apparatus claims may also be implemented by one unit or means in software or hardware. The terms first, second, etc. are used to denote names, but not any particular order.
It will, of course, be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (19)
1. A method for judging alignment of a VR display device and a display terminal screen is characterized by comprising the following steps:
s1, the VR display device measures the brightness value of the display terminal screen displaying the light band/light spot through the brightness measuring module;
s2, the VR display device/display terminal analyzes the brightness value obtained in the step S1 to determine a brightness threshold, and the display terminal acquires a position point of the brightness threshold corresponding to a display terminal screen, wherein the brightness threshold is determined based on the comparison of the brightness value and a background brightness value, and the background brightness value is determined by measuring the brightness value of a preset picture displayed on the display terminal screen by the VR display device;
s3, the display terminal judges whether the position point obtained in the step S2 is matched with the position point of the brightness measurement module on the VR display device, if so, the VR display device is aligned with the display terminal screen; if not, the VR display device is not aligned with the display terminal screen.
2. The method of claim 1, further comprising step S0, the display terminal determining whether the VR display device supports the method for determining whether the VR display device is aligned with the screen of the display terminal; if yes, go to step S1; if not, prompting the user that the VR display device does not support the judging method, and asking the user to artificially judge and adjust to ensure the optimal display effect.
3. The method of claim 2, wherein the step S0 further includes the step of the display terminal determining whether the user needs to use the method for determining whether the VR display device is aligned with the screen of the display terminal, and if so, going to step S1; if not, the user is prompted to make a manual decision and adjust to ensure optimal display.
4. The method for determining the alignment of the VR display device with the screen of the display terminal of any one of claims 1-3, wherein the step S1 includes the steps of:
s11, displaying a preset picture on a display terminal screen, and informing a VR display device to measure the brightness value;
s12, the VR display device measures the brightness value of the screen of the display terminal displaying the preset picture through the brightness measuring module and sends the brightness value to the display terminal through the data transmission module;
s13, the display terminal receives and records the brightness value obtained in the step S12 as a background brightness value;
s14, the display terminal sets the scanning step and the scanning step number, sets the light band/light spot with different color from the preset picture at a certain initial position on the preset picture, and informs the VR display device to measure the brightness value;
and S15, the VR display device measures the brightness value of the display terminal screen displaying the light band/light spot through the brightness measuring module.
5. The method of claim 4, further comprising a step S16, wherein the VR display device sends the brightness value obtained in the step S15 to the display terminal through the data transmission module.
6. The method for determining the alignment between the VR display device and the screen of the display terminal of claim 5, wherein the step S2 includes the steps of:
s21, the display terminal receives and records the brightness value obtained in the step S15 as a light band/light spot brightness value, compares the light band/light spot brightness value with the background brightness value, and judges whether the brightness threshold value is reached; if yes, go to step S23, if no, go to step S22;
s22, the display terminal judges whether the scanning steps are finished, if yes, the display terminal informs the user that the judging method can not be finished, and prompts the user to artificially judge and adjust to ensure the best display effect; if not, moving the position of the light band or the light spot according to the set steps, and then, going to step S15;
and S23, the display terminal acquires a position point corresponding to the screen reaching the brightness threshold.
7. The method for determining the alignment between the VR display device and the screen of the display terminal of claim 4, wherein the step S2 includes the steps of:
s21, the VR display device takes the brightness value obtained in the step S15 as a light band/light spot brightness value, compares the light band/light spot brightness value with the background brightness value, and judges whether the brightness threshold value is reached; if yes, go to step S23, if no, go to step S22;
s22, the VR display device sends the judgment result to the display terminal through the data transmission module, the display terminal judges whether the scanning steps are finished, if yes, the display terminal informs the user that the judgment method cannot be finished, and prompts the user to artificially judge and adjust to ensure the best display effect; if not, moving the position of the light band or the light spot according to the set steps, and then, going to step S15;
and S23, the VR display device sends the brightness threshold value to the display terminal through the data transmission module, and the display terminal acquires the position point corresponding to the brightness threshold value on the screen.
8. A method for adjusting alignment of a VR display device with a display terminal screen, comprising the steps of claims 1-7, further comprising the steps of: s4, when the result of the judgment in the step S3 is that the VR display device is not aligned with the screen of the display terminal, the display terminal adjusts the central point positions of the left and right partial images on the screen according to the measured actual coordinate of the lighting window of the VR display device brightness measurement module on the screen;
the step S4 includes the following steps:
s41, the display terminal acquires the coordinate information of the position point of the brightness measurement module on the VR display device;
s42, the display terminal acquires the coordinate information of the target point of the display terminal screen corresponding to the coordinate information of the step S41;
s43, the display terminal acquires the offset distance of the display image on the screen of the display terminal according to the coordinate information of the target point and the coordinate information of the position point of the brightness threshold value corresponding to the screen of the display terminal;
and S44, the display terminal adjusts the image display position in the screen of the display terminal according to the offset distance.
9. A method for judging the alignment between a VR display device and a display terminal screen is characterized by comprising the following steps:
s1, the VR display device measures the brightness value of the display terminal screen displaying the light band/light spot through the brightness measuring module;
s2, the VR display device/display terminal analyzes the brightness value obtained in the step S1 to determine a brightness threshold, and the display terminal acquires a position point of the brightness threshold corresponding to a display terminal screen, wherein the brightness threshold is determined based on the comparison of the brightness value and a background brightness value, and the background brightness value is determined by measuring the brightness value of a preset picture displayed on the display terminal screen by the VR display device;
the display terminal judges whether the position point obtained in the step S2 is matched with the position point of the brightness measurement module on the VR display device, if so, the VR display device is aligned with the display terminal screen; if not, the VR display device is not aligned with the display terminal screen.
10. The method of claim 9, wherein the step S1 includes the steps of:
s11, when the display terminal screen displays the predetermined picture, the VR display device receives the notice of the display terminal and measures the brightness value, the VR display device measures the brightness value of the display terminal screen displaying the predetermined picture through the brightness measurement module and sends the brightness value to the display terminal through the data transmission module; the brightness value is received and recorded by the display terminal as a background brightness value;
and S12, when the display terminal sets the scanning step and the scanning step number, and sets a light band/light spot with a color different from that of the preset picture at a certain initial position on the preset picture, the VR display device receives the notice of the display terminal to measure the brightness value, and measures the brightness value of the display terminal screen displaying the light band/light spot through the brightness measuring module.
11. The method of claim 10, further comprising step S13, wherein the VR display device transmits the brightness value obtained in step S12 to the display terminal via the data transmission module.
12. The method of claim 10, wherein the step S2 includes the steps of:
s21, the VR display device takes the brightness value obtained in the step S12 as a light band/light spot brightness value, compares the light band/light spot brightness value with the background brightness value, and judges whether the brightness threshold value is reached; if yes, go to step S23, if no, go to step S22;
s22, the VR display device sends the judgment result to the display terminal through the data transmission module, the display terminal judges whether the scanning steps are finished, if yes, the display terminal informs the user that the judgment method cannot be finished, and prompts the user to artificially judge and adjust to ensure the best display effect; if not, moving the position of the light band or the light spot according to the set steps, and then, going to step S12;
and S23, the VR display device sends the brightness threshold value to the display terminal through the data transmission module, and the display terminal acquires the position point corresponding to the brightness threshold value on the screen.
13. A method for judging the alignment of a screen of a display terminal and a VR display device is characterized by comprising the following steps:
s1, the display terminal displays the light band/light spot, and the display terminal acquires the brightness value measured by the VR display device through the brightness measuring module;
s2, the display terminal determines a brightness threshold according to the brightness value obtained in the step S1, and the display terminal acquires a position point of the brightness threshold corresponding to the screen of the display terminal, wherein the brightness threshold is determined based on the comparison between the brightness value and a background brightness value, and the background brightness value is determined by measuring the brightness value of a preset picture displayed on the screen of the display terminal by a VR display device;
s3, the display terminal judges whether the position point obtained in the step S2 is matched with the position point of the brightness measurement module on the VR display device, if so, the VR display device is aligned with the display terminal screen; if not, the VR display device is not aligned with the display terminal screen.
14. The method of claim 13, further comprising a step S0 of determining whether the VR display device supports the method of determining whether the VR display device is aligned with the display terminal screen; if yes, go to step S1; if not, prompting the user that the VR display device does not support the judging method, and asking the user to artificially judge and adjust to ensure the optimal display effect.
15. The method of claim 14, wherein the step S0 further comprises the step of the display terminal determining whether the user needs to use the method for determining whether the VR display device is aligned with the display terminal screen, and if so, going to step S1; if not, the user is prompted to make a manual decision and adjust to ensure optimal display.
16. A method for determining the alignment of the screen of a display terminal with a VR display device as claimed in any one of claims 13 to 15, wherein the step S1 includes the steps of:
s11, displaying a preset picture on a display terminal screen, and informing a VR display device to measure the brightness value;
s12, the display terminal acquires the brightness value of the display terminal screen which displays the preset picture and is measured by the VR display device through the brightness measuring module;
s13, the display terminal sets the scanning step and the scanning step number, sets the light band/light spot with different color from the preset picture at a certain initial position on the preset picture, and informs the VR display device to measure the brightness value;
and S14, the display terminal acquires the brightness value of the display terminal screen of the display light band/light spot measured by the VR display device through the brightness measuring module.
17. The method of claim 16, wherein the step S2 includes the steps of:
s21, the display terminal records the brightness value obtained in the step S14 as a light band/light spot brightness value, compares the light band/light spot brightness value with the background brightness value, and judges whether the brightness threshold value is reached; if yes, go to step S23, if no, go to step S22;
s22, the display terminal judges whether the scanning steps are finished, if yes, the display terminal informs the user that the judging method can not be finished, and prompts the user to artificially judge and adjust to ensure the best display effect; if not, moving the position of the light band or the light spot according to the set steps, and then, going to step S14;
and S23, the display terminal acquires a position point corresponding to the screen reaching the brightness threshold.
18. A method of adjusting the alignment of a screen of a display terminal with a VR display device, comprising the steps of claims 13-17, further comprising the steps of:
s4, when the VR display device is not aligned with the screen of the display terminal according to the judgment result of the step S3, the display terminal adjusts the position of the center point of the left-right partial image on the screen according to the measured actual coordinate of the lighting window of the VR display device brightness measuring module on the screen;
the step S4 includes the following steps:
s41, the display terminal acquires the coordinate information of the position point of the brightness measurement module on the VR display device;
s42, the display terminal acquires the coordinate information of the target point of the display terminal screen corresponding to the coordinate information of the step S41;
s43, the display terminal acquires the offset distance of the display image on the screen of the display terminal according to the coordinate information of the target point and the coordinate information of the position point of the brightness threshold value corresponding to the screen of the display terminal;
and S44, the display terminal adjusts the image display position in the screen of the display terminal according to the offset distance.
19. A display terminal, the display terminal is installed on VR display device, its characterized in that, display terminal includes:
the screen is used for displaying images in cooperation with the VR display device so as to present VR effect;
a processor to:
acquiring a brightness value measured by a VR display device through a brightness measuring module;
determining a brightness threshold according to the brightness value, and acquiring a position point of the brightness threshold corresponding to the display terminal screen, wherein the brightness threshold is determined based on the comparison between the brightness value and a background brightness value, and the background brightness value is determined by measuring the brightness value of a preset picture displayed on the display terminal screen by a VR display device;
judging whether the position point is matched with the position point of the brightness measurement module on the VR display device or not, if so, aligning the VR display device with a display terminal screen; and if not, the VR display device is not aligned with the screen of the display terminal, and the display position of the image on the screen of the display terminal is adjusted.
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| CN107991776A (en) * | 2017-10-20 | 2018-05-04 | 深圳市虚拟现实科技有限公司 | Mobile terminal virtual reality head shows manual correction system |
| CN108769668B (en) * | 2018-05-31 | 2019-08-20 | 歌尔股份有限公司 | Method for determining position and device of the pixel in VR display screen in camera imaging |
| CN110880188B (en) * | 2018-09-06 | 2022-07-01 | 舜宇光学（浙江）研究院有限公司 | Calibration method, calibration device and calibration system for near-eye display optical system |
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| CN105700142B (en) * | 2016-02-18 | 2018-10-16 | 广东小天才科技有限公司 | Display brightness adjusting method and display brightness adjusting system of virtual reality device |
| CN105872239A (en) * | 2016-05-05 | 2016-08-17 | 捷开通讯(深圳)有限公司 | Automatic VR mode triggering mobile phone and method and VR glasses |
| CN106200937A (en) * | 2016-06-28 | 2016-12-07 | 广东欧珀移动通信有限公司 | Sight protectio method, device and the mobile terminal of mobile terminal |
| CN106162203B (en) * | 2016-07-05 | 2019-10-25 | 实野信息科技（上海）有限公司 | Panoramic video playback method, player and wear-type virtual reality device |
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