CN117524030A - Dynamic uniform weight scanning method and device based on LED display - Google Patents
Dynamic uniform weight scanning method and device based on LED display Download PDFInfo
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- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
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- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/02—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes by tracing or scanning a light beam on a screen
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
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Abstract
The embodiment of the invention relates to the technical field of semiconductors, and discloses a dynamic uniform weight scanning method based on LED display, which comprises the following steps: receiving parameters of camera acquisition equipment input by a user; generating clock control parameters based on the parameters of the camera acquisition equipment, wherein the clock control parameters comprise a serial data shift clock and a register clock; acquiring the rising edge number of a register clock in one control period of a serial data shift clock; carrying out data matching on the rising edge number of the register clock and a preset scanning matching strategy to determine a display scanning mode of a corresponding driving chip; and driving display according to the display scanning mode. According to the dynamic uniform weight scanning method based on LED display, the acquired parameters of the image pickup acquisition equipment are analyzed to determine the scanning mode of the display equipment in the corresponding scene, different scanning modes are matched, shooting requirements of different image pickup equipment can be met, and the occurrence of distortion display of the display device is reduced.
Description
Technical Field
The invention relates to the technical field of semiconductors, in particular to a dynamic uniform weight scanning method and device based on LED display.
Background
In a conventional LED scanning display circuit, line scanning is a single-direction sequential scanning mode, and the scanning is continuously and cyclically performed, so that the display of a picture is completed, in other words, lamps on a screen are lighted in a line-dividing and time-sharing manner, and in the whole screen, the non-displayed part is black in a closed state, and the mode of cyclically scanning according to the inherent sequence is called a solid-state scanning mode; in the human eye acquisition mode, the visual residual characteristics of the human eyes are utilized to capture a complete picture, the display screen is scanned and displayed in a line-dividing manner in a time-sharing manner, but the scanning speed is higher than the photosensitive refreshing speed of the human eyes, and the human eyes do not have periodic intermittent periods in the acquisition process, so that the accumulated scanning number of the display screen acquired by the human eyes is complete, and a complete picture is seen; in the acquisition mode of the photographic equipment, the progressive acquisition is completed by utilizing the recording function of the electronic equipment; because the photographic acquisition equipment has acquisition frame rate and frequency, and the photographic equipment is divided into an exposure area and a closing area in the acquisition process, the two areas are periodically intersected;
when the scanning mode of the display screen is a solid scanning mode, if the scanning number of the display screen picture acquired in the exposure area of the photographic acquisition equipment is just complete, all the line scanning weights of the screen line scanning are the same in the photographic equipment, so that the picture is a complete picture; if the scanning number of the display screen of the exposure area of the photographic acquisition equipment is incomplete, and the weight of the scanning number is uneven when the line scan is displayed in the photographic equipment, a certain part of the picture acquired by the photographic equipment is fixed and missing, so that the acquired picture is distorted;
Because different photographic acquisition devices have electronic time delay differences and device function setting differences, the duration and acquisition modes of exposure areas of various devices in different application environments are different, and therefore, the solid state display mode is easy to appear in the condition that the weights of the scanning numbers of lines are uneven in the photographic devices, and different distortion conditions of acquired images are caused. Therefore, how to design a way to solve the picture distortion caused by various frame rates and frequencies during the acquisition of the photographing device is a technical problem to be solved by those skilled in the art.
Disclosure of Invention
Aiming at the defects, the embodiment of the invention discloses a dynamic uniform weight scanning method based on LED display, which can adjust a chip driving mode according to parameters of image capturing acquisition equipment so as to reduce the occurrence of picture distortion.
The first aspect of the embodiment of the invention discloses a dynamic uniform weight scanning method based on LED display, which comprises the following steps:
receiving parameters of camera acquisition equipment input by a user;
generating clock control parameters based on the parameters of the camera acquisition equipment, wherein the clock control parameters comprise a serial data shift clock and a register clock;
Acquiring the rising edge number of the register clock in one control period of a serial data shift clock; performing data matching on the rising edge number of the register clock and a preset scanning matching strategy to determine a display scanning mode of a corresponding driving chip;
and generating a control instruction of a corresponding driving chip according to the display scanning mode, and sending the control instruction to the driving chip to enable the driving chip to control LED display pixels of the display device to display according to the control instruction.
As an optional implementation manner, in the first aspect of the embodiment of the present invention, the display scan mode includes a normal display scan mode, a first display scan mode, a second display scan mode, and a third display scan mode;
the data matching of the rising edge number of the register clock and a preset scanning matching strategy is performed to determine a display scanning mode of a corresponding driving chip, and the method comprises the following steps:
when the rising edge number of the register clock is the first number, determining that the display scanning mode of the corresponding driving chip is a conventional display scanning mode;
when the rising edge number of the register clock is the second number, determining that the display scanning mode of the corresponding driving chip is the first display scanning mode; the first display scan pattern includes a first row scan sequence associated with a first subfield under a first subframe;
When the rising edge number of the register clock is the third number, determining that the display scanning mode of the corresponding driving chip is the second display scanning mode; the second display scanning mode comprises a second line scanning sequence, a third line scanning sequence, a fourth line scanning sequence and a fifth line scanning sequence; the second line scanning sequence and the third line scanning sequence are respectively associated with a second sub-field under a second sub-frame and a third sub-field under the second sub-frame, and the fourth line scanning sequence and the fifth line scanning sequence are respectively associated with a fourth sub-field under the third sub-frame and a fifth sub-field under the third sub-frame;
when the rising edge number of the register clock is the fourth number, determining that the display scanning mode of the corresponding driving chip is a third display scanning mode, wherein the third display scanning mode comprises a sixth row scanning sequence, a seventh row scanning sequence, an eighth row scanning sequence, a ninth row scanning sequence, a tenth row scanning sequence, a twelfth row scanning sequence, a thirteenth row scanning sequence and a fourteenth row scanning sequence; the sixth, seventh and eighth line scan sequences are respectively associated with a sixth, seventh and eighth sub-fields of a fourth sub-frame, the ninth, tenth and eleventh line scan sequences are respectively associated with a ninth, tenth and eleventh sub-fields of a fifth sub-frame, and the twelfth, thirteenth and fourteenth line scan sequences are respectively associated with a twelfth, thirteenth and fourteenth sub-fields of the sixth sub-frame.
As an optional implementation manner, in the first aspect of the embodiment of the present invention, the display scan mode further includes a fourth display scan mode and a fifth display scan mode;
the data matching is performed on the rising edge number of the register clock and a preset scanning matching strategy to determine a display scanning mode of a corresponding driving chip, and the method further comprises the following steps:
when the rising edge number of the register clock is the fifth number, determining that the display scanning mode of the corresponding driving chip is a fourth display scanning mode; the fourth display scan pattern includes a tenth, sixteenth, seventeenth, and eighteenth row scan sequence associated with a fifteenth and sixteenth subfield, respectively, of a seventh subframe, the seventeenth and eighteenth row scan sequences associated with a seventeenth and eighteenth subfield, respectively, of an eighth subframe;
when the number of rising edges of the register clock is the sixth number, determining that the display scanning mode of the corresponding driving chip is a fifth display scanning mode, wherein the fifth display scanning mode comprises a plurality of row scanning updating sequences, and the row scanning updating sequences are associated with subfields under corresponding subframes.
As an optional implementation manner, in the first aspect of the embodiment of the present invention, the display scan mode further includes a combination scan mode, where the combination scan mode is a plurality of combinations from a first display scan mode to a fifth display scan mode;
the data matching is performed on the rising edge number of the register clock and a preset scanning matching strategy to determine a display scanning mode of a corresponding driving chip, and the method further comprises the following steps:
and when the rising edge number of the register clock is the seventh number, determining that the display scanning mode of the corresponding driving chip is a combined scanning mode.
As an optional implementation manner, in the first aspect of the embodiment of the present invention, after the generating a clock control parameter based on the captured image capturing device parameter, the clock control parameter includes a serial data shift clock and a register clock, the method further includes:
transmitting a serial data shift clock to perform line feed operation; in the common positive driving circuit, the channel opening time is the time when the output of the output channel is high; in the common-negative circuit, the channel-open timing is when the output channel output is low.
The second aspect of the embodiment of the invention discloses a dynamic uniform weight scanning device based on LED display, which comprises:
And a receiving module: the camera acquisition equipment parameters are used for receiving user input;
and a parameter generation module: the clock control parameters are used for generating clock control parameters based on the parameters of the camera acquisition equipment, and the clock control parameters comprise a serial data shift clock and a register clock;
the quantity acquisition module is used for: for obtaining the number of rising edges of the register clock during one control period of the serial data shift clock; performing data matching on the rising edge number of the register clock and a preset scanning matching strategy to determine a display scanning mode of a corresponding driving chip;
and a drive control module: and the control instruction is used for generating a control instruction of a corresponding driving chip according to the display scanning mode, and sending the control instruction to the driving chip to enable the driving chip to control LED display pixels of the display device to display according to the control instruction.
As an optional implementation manner, in the second aspect of the embodiment of the present invention, the display scan mode includes a normal display scan mode, a first display scan mode, a second display scan mode, and a third display scan mode;
the data matching of the rising edge number of the register clock and a preset scanning matching strategy is performed to determine a display scanning mode of a corresponding driving chip, and the method comprises the following steps:
A first matching module: when the rising edge number of the register clock is the first number, determining that the display scanning mode of the corresponding driving chip is a conventional display scanning mode;
and a second matching module: when the rising edge number of the register clock is the second number, determining that the display scanning mode of the corresponding driving chip is the first display scanning mode; the first display scan pattern includes a first row scan sequence associated with a first subfield under a first subframe;
and a third matching module: when the rising edge number of the register clock is the third number, determining that the display scanning mode of the corresponding driving chip is the second display scanning mode; the second display scanning mode comprises a second line scanning sequence, a third line scanning sequence, a fourth line scanning sequence and a fifth line scanning sequence; the second line scanning sequence and the third line scanning sequence are respectively associated with a second sub-field under a second sub-frame and a third sub-field under the second sub-frame, and the fourth line scanning sequence and the fifth line scanning sequence are respectively associated with a fourth sub-field under the third sub-frame and a fifth sub-field under the third sub-frame;
and a fourth matching module: when the number of rising edges of the register clock is the fourth number, determining that the display scanning mode of the corresponding driving chip is a third display scanning mode, wherein the third display scanning mode comprises a sixth row scanning sequence, a seventh row scanning sequence, an eighth row scanning sequence, a ninth row scanning sequence, a tenth row scanning sequence, a twelfth row scanning sequence, a thirteenth row scanning sequence and a fourteenth row scanning sequence; the sixth, seventh and eighth line scan sequences are respectively associated with a sixth, seventh and eighth sub-fields of a fourth sub-frame, the ninth, tenth and eleventh line scan sequences are respectively associated with a ninth, tenth and eleventh sub-fields of a fifth sub-frame, and the twelfth, thirteenth and fourteenth line scan sequences are respectively associated with a twelfth, thirteenth and fourteenth sub-fields of the sixth sub-frame.
As an optional implementation manner, in the second aspect of the embodiment of the present invention, the display scan mode further includes a fourth display scan mode and a fifth display scan mode;
the data matching is performed on the rising edge number of the register clock and a preset scanning matching strategy to determine a display scanning mode of a corresponding driving chip, and the method further comprises the following steps:
and a fifth matching module: when the rising edge number of the register clock is the fifth number, determining that the display scanning mode of the corresponding driving chip is a fourth display scanning mode; the fourth display scan pattern includes a tenth, sixteenth, seventeenth, and eighteenth row scan sequence associated with a fifteenth and sixteenth subfield, respectively, of a seventh subframe, the seventeenth and eighteenth row scan sequences associated with a seventeenth and eighteenth subfield, respectively, of an eighth subframe;
a sixth matching module: and when the rising edge number of the register clock is the sixth number, determining that the display scanning mode of the corresponding driving chip is a fifth display scanning mode, wherein the fifth display scanning mode comprises a plurality of row scanning updating sequences, and the row scanning updating sequences are associated with subfields under corresponding subframes.
A third aspect of an embodiment of the present invention discloses an electronic device, including: a memory storing executable program code; a processor coupled to the memory; the processor invokes the executable program code stored in the memory to execute the dynamic uniform weight scanning method based on the LED display disclosed in the first aspect of the embodiment of the present invention.
A fourth aspect of the embodiment of the present invention discloses a computer-readable storage medium storing a computer program, where the computer program causes a computer to execute the dynamic average-weight scanning method based on LED display disclosed in the first aspect of the embodiment of the present invention.
Compared with the prior art, the embodiment of the invention has the following beneficial effects:
according to the dynamic uniform weight scanning method based on LED display, the acquired parameters of the image pickup acquisition equipment are analyzed to determine the scanning mode of the display equipment in the corresponding scene, different scanning modes are matched to adapt to the shooting requirements of different image pickup equipment, the occurrence of distortion display of the display device is reduced, and the overall image pickup effect is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments 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 other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic flow chart of a dynamic uniform weight scanning method based on LED display, which is disclosed by the embodiment of the invention;
FIG. 2 is a schematic flow chart showing scan pattern matching according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a chip cascade disclosed in an embodiment of the present invention;
FIG. 4 is a timing diagram of a first display scan mode disclosed in an embodiment of the invention;
FIG. 5 is a timing diagram of a second display scan mode disclosed in an embodiment of the invention;
FIG. 6 is a timing diagram of a third display scan pattern disclosed in an embodiment of the present invention;
FIG. 7 is a timing diagram of a fourth display scan pattern according to an embodiment of the present invention;
FIG. 8 is a timing diagram of a fifth display scan pattern disclosed in an embodiment of the present invention;
fig. 9 is a timing diagram of a data transfer protocol disclosed in an embodiment of the present invention;
FIG. 10 is a time zone relationship diagram of a photographing apparatus and an LED display screen according to an embodiment of the present invention;
FIG. 11 is a schematic structural diagram of a dynamic uniform weight scanning device based on LED display according to an embodiment of the present invention;
fig. 12 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that the terms "first," "second," "third," "fourth," and the like in the description and in the claims of the present invention are used for distinguishing between different objects and not necessarily for describing a particular sequential or chronological order. The terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed or inherent to such process, method, article, or apparatus.
Because different photographic acquisition devices have electronic time delay differences and device function setting differences, the duration and acquisition modes of exposure areas of various devices in different application environments are different, and therefore, the solid state display mode is easy to appear in the condition that the weights of the scanning numbers of lines are uneven in the photographic devices, and different distortion conditions of acquired images are caused. Based on the above, the embodiment of the invention discloses a dynamic uniform weight scanning method, a device, electronic equipment and a storage medium based on LED display, which are used for determining the scanning mode of display equipment in a corresponding scene by analyzing acquired parameters of image capturing acquisition equipment, adapting to the shooting requirements of different image capturing equipment by matching different scanning modes, reducing the occurrence of distortion display of a display device and improving the overall image capturing effect.
Example 1
Referring to fig. 1, fig. 1 is a flow chart of a dynamic uniform weight scanning method based on LED display according to an embodiment of the present invention. The execution main body of the method described in the embodiment of the invention is an execution main body composed of software or/and hardware, and the execution main body can receive related information in a wired or/and wireless mode and can send a certain instruction. Of course, it may also have certain processing and storage functions. The execution body may control a plurality of devices, such as a remote physical server or cloud server and related software, or may be a local host or server and related software that performs related operations on a device that is located somewhere, etc. In some scenarios, multiple storage devices may also be controlled, which may be located in the same location or in different locations than the devices. As shown in fig. 1, the dynamic uniform weight scanning method based on the LED display includes the following steps:
s101: receiving parameters of camera acquisition equipment input by a user;
the camera acquisition equipment has a plurality of adjustment parameters, different shooting effects can be obtained by adjusting different parameters, wherein the parameters of the camera equipment which influence the effect of shooting the LED display screen mainly comprise equipment shooting frame rate (FPS) and Shutter Speed (Shutter Speed);
The shooting frame rate (FPS) refers to the number of times the photographing apparatus acquires a subject within a lens in units of time, the units being (frames per second (FPS)); each complete acquisition can be called a shooting subframe, and each subframe contains a complete image record in the shooting device; each subframe has a frame start point and a frame end point;
shutter Speed (Shutter Speed) means the length of time in which the Shutter of the photographing apparatus is opened in proportion to the entire subframe in units of (1/x seconds (s)) in each photographing subframe; in some specific applications, shutter speed is often expressed by a shutter angle, and the smaller the value, the shorter the opening time. The maximum value is 360 degrees, which means that the shutter is completely opened in the shooting subframe period; when the shutter of the device is in an open state, recording of an image can be started; the shutter speed includes a shutter open time point (i.e., a sub-frame start point), and a shutter close time point (i.e., a sub-frame end point), as well as a device reaction time;
when the shot scenery is in a moving state, the higher the shooting frame rate of the equipment is, the finer the moving process of the moving object can be recorded; the setting of the shutter speed depends on the state of the moving object in each shooting subframe to be recorded;
The LED display screen is used as a part of shooting scenes, and when the display screen works, the display screen is updated and displayed frame by frame in the picture, and each frame is displayed by a plurality of lines in a scanning way, so that the LED display screen can be regarded as a moving scene;
when the shooting equipment shoots the LED display screen, the starting point of a shooting subframe of the shooting equipment needs to be synchronous with the frame display starting point of the LED display screen, and the frame synchronization is called shooting environment;
the frame synchronization of the shooting environment is that the peripheral synchronization device outputs a frame synchronization signal to complete the synchronization of the starting point, the ending time point of each subframe of the shooting device is determined by the shooting device, and the ending time point of each display frame of the LED display screen is determined by the design of the screen.
The on-time ratio of each row of the LED display screen is called as display weight in the range from the beginning to the ending of each display subframe. In the shutter opening time range of the shooting equipment, if the display weight of each row of LEDs of the recorded LED display screen is the same or similar, the recorded LED picture is complete; if the display weights of the LEDs of some lines recorded are different, the LEDs of the lines with small display weights are darker, and the LEDs of the lines with large display weights are brighter;
According to the embodiment of the invention, the weight of each row of LEDs which are lighted is dynamically allocated in the range from the beginning to the ending of each subframe of the LED display screen, so that the weight of the display time of each row of the LED display screen which can be shot in the shutter opening time range of the shooting equipment is the same under the condition that the shooting equipment is modified to be any shutter speed; as shown in fig. 10, the correspondence between different sweep modes of the LED display screen and the device shutter and frame rate:
on the premise that the unit time length of a row display area of the LED display screen and the time length that a shutter of shooting equipment is an acquisition area are clear, the proportional relation between the unit time length and the time length can be known through calculation:
if the number of line scans of the LED display screen is denoted by K, and the remainder calculation is performed on K by the number of line scans calculated above, the result is denoted by H, the following cases are given: if H is 0, mode one of the embodiments of the present invention applies; if H is not 0 and is an integer multiple of 2, the mode two and the mode four of the embodiment of the invention are applicable; if H is not 0 and is an integer multiple of 3, mode three of the embodiment of the invention applies; if H is not 0 and is an integer multiple of 5, mode two and mode three switching are enabled by the embodiment of the invention; if H is not 0 and is an integer multiple of 7, the mode four-five rotation of the embodiment of the invention is started; if H is not 0 and is not an integer multiple of any number, the mode II, the mode III and the mode III which are applicable to the embodiment of the invention are started in a five-turn mode; the related calculation process and the mode switching judgment are completed by the controller according to the rule;
The scheme of the embodiment of the invention mainly applies the scene which needs to be built and displayed for the background, such as the scene which takes time and labor and is expensive in building the actual background in the film shooting process, so that an LED display screen is adopted to display the background in the specific shooting process, but the situation of picture distortion is caused in the final shooting, collecting and displaying process because the shooting and collecting equipment is adopted to collect images in the actual shooting process, and the shooting and collecting equipment has different collecting frame rates and frequencies. Therefore, parameters of the corresponding image capturing and collecting equipment need to be acquired when the initial setting is carried out, and subsequent pattern matching is facilitated.
S102: generating clock control parameters based on the parameters of the camera acquisition equipment, wherein the clock control parameters comprise a serial data shift clock and a register clock;
the serial data shift clock is referred to herein as DCLK, and the register clock is referred to as RCLK; as shown in fig. 9, a data transmission protocol is disclosed, in which an IC is a display screen serial decoding line pipe driver, and each line feed is fixed to transmit 1 DCLK, in a common positive application circuit, when the output channel output is high, the channel opening time is the channel opening time, and in a common negative circuit, when the chip channel output is low, the channel opening time is the channel opening time. The rising edge of DCLK is the wrap signal, and upon receipt of the rising edge of DCLK, the data is shifted once and the corresponding open channel is also shifted once. As shown in fig. 9, in T2 to T4, which are intervals of two DCLK, are on times of a single row, and in T5 to T6, which are areas where the DCLK falling edge to the next rising edge device is register configurable.
The multiple row sweep chips in the embodiment of the invention can expand the total number of row sweeps through a cascade mode, and a schematic diagram of chip cascade is shown in fig. 3.
S103: acquiring the rising edge number of the register clock in one control period of a serial data shift clock; performing data matching on the rising edge number of the register clock and a preset scanning matching strategy to determine a display scanning mode of a corresponding driving chip;
in the register setting time sequence, in the interval from the falling edge of DCLK to the adjacent rising edge, the number of the rising edges of RCLK reaches a certain value, so that the registers in the chip can be correspondingly set; triggering and switching of different functions in the chip are realized by setting registers, including switching of different line scanning modes; the register setting time sequence is the highest priority instruction, the chip receives the correct register time sequence, the chip is adjusted to the latest register mode including a line sweep mode, and the execution starts in a new period.
More preferably, the display scan mode includes a normal display scan mode, a first display scan mode, a second display scan mode, and a third display scan mode;
Fig. 2 is a schematic flow chart of display scan pattern matching disclosed in the embodiment of the present invention, as shown in fig. 2, the data matching of the rising edge number of the register clock and a preset scan matching policy is performed to determine a display scan pattern of a corresponding driving chip, which includes:
s1031: when the rising edge number of the register clock is the first number, determining that the display scanning mode of the corresponding driving chip is a conventional display scanning mode; the normal display scan mode is a display scan mode of the display device at the time of starting setting, and the first number is 1 to 23, that is, when any one of the numbers including the rising edge number of RCLK is 1 to 23 is detected, the normal scan mode is adopted;
s1032: when the rising edge number of the register clock is the second number, determining that the display scanning mode of the corresponding driving chip is the first display scanning mode; the first display scan pattern includes a first row scan sequence associated with a first subfield under a first subframe; the first display scan mode is a first line scan mode, and the second number is 24, that is, when the number of rising edges containing RCLK is detected to be 24, the first display scan mode is adopted; a specific sweep pattern timing diagram is shown in fig. 4;
S1033: when the rising edge number of the register clock is the third number, determining that the display scanning mode of the corresponding driving chip is the second display scanning mode; the second display scanning mode comprises a second line scanning sequence, a third line scanning sequence, a fourth line scanning sequence and a fifth line scanning sequence; the second line scanning sequence and the third line scanning sequence are respectively associated with a second sub-field under a second sub-frame and a third sub-field under the second sub-frame, and the fourth line scanning sequence and the fifth line scanning sequence are respectively associated with a fourth sub-field under the third sub-frame and a fifth sub-field under the third sub-frame; the second display scan mode is a line scan mode two, and the third number is 25, that is, when the number of rising edges including RCLK is detected to be 25, the second display scan mode is adopted; a specific sweep pattern timing diagram is shown in fig. 5;
s1034: when the rising edge number of the register clock is the fourth number, determining that the display scanning mode of the corresponding driving chip is a third display scanning mode, wherein the third display scanning mode comprises a sixth row scanning sequence, a seventh row scanning sequence, an eighth row scanning sequence, a ninth row scanning sequence, a tenth row scanning sequence, a twelfth row scanning sequence, a thirteenth row scanning sequence and a fourteenth row scanning sequence; the sixth line of scanning sequences, the seventh line of scanning sequences and the eighth line of scanning sequences are respectively associated with a sixth sub-field, a seventh sub-field and an eighth sub-field under a fourth sub-frame, the ninth line of scanning sequences, the tenth line of scanning sequences and the eleventh line of scanning sequences are respectively associated with a ninth sub-field, a tenth sub-field and an eleventh sub-field under a fifth sub-frame, the twelfth line of scanning sequences, the thirteenth line of scanning sequences and the fourteenth line of scanning sequences are respectively associated with a twelfth sub-field, a thirteenth sub-field and a fourteenth sub-field under the sixth sub-frame, the third display scanning mode is a line scanning mode III, the fourth number is 26, namely, when the number of rising edges containing RCLK is detected to be 26, the third display scanning mode is adopted; different scanning subframes and subfields are set for different modes, then corresponding scanning is carried out according to a corresponding line scanning sequence table, and a specific line scanning mode timing diagram is shown in fig. 6.
The following table 1 is a valid sequence table of line scan output, and when the subsequent display scan is performed, the corresponding scan output is directly performed according to the corresponding line scan sequence table.
TABLE 1
Wherein S is the maximum effective scanning number after chip cascading, K is the secondary row after N (S k ) L represents a positive integer of a display subfield, and the value of L is 1 or more and 1 or less than the maximum scan number. The chip output channel is connected with a common electrode of the LED lamp in the circuit, is called effective scanning number, and is suspended output channel, and is ineffective scanning; the meaning of the sub-frame is that the effective scanning channel of the cascade chip group is circularly started once, and is called a sub-frame, and the meaning of the sub-field is that the effective scanning channel can be divided into a plurality of groups in each complete sub-frame, and each group is switched in turn according to a certain sequence.
More preferably, the display scanning mode further includes a fourth display scanning mode and a fifth display scanning mode;
the data matching is performed on the rising edge number of the register clock and a preset scanning matching strategy to determine a display scanning mode of a corresponding driving chip, and the method further comprises the following steps:
when the rising edge number of the register clock is the fifth number, determining that the display scanning mode of the corresponding driving chip is a fourth display scanning mode; the fourth display scan pattern includes a tenth, sixteenth, seventeenth, and eighteenth row scan sequence associated with a fifteenth and sixteenth subfield, respectively, of a seventh subframe, the seventeenth and eighteenth row scan sequences associated with a seventeenth and eighteenth subfield, respectively, of an eighth subframe; the fourth number is 27 here, that is, when it is detected that the number of rising edges containing RCLK is 27, the fourth display scan mode is adopted; different scanning subframes and subfields are set for different modes, then corresponding scanning is carried out according to a corresponding line scanning sequence table, and a specific line scanning mode timing diagram is shown in fig. 7.
When the number of rising edges of the register clock is the sixth number, determining that the display scanning mode of the corresponding driving chip is a fifth display scanning mode, wherein the fifth display scanning mode comprises a plurality of row scanning updating sequences, the row scanning updating sequences are associated with subfields under the corresponding subframes, the fifth number is 28, namely when the number of rising edges containing RCLK is 28, the fifth display scanning mode is adopted; different scanning subframes and subfields are set for different modes, then corresponding scanning is carried out according to a corresponding line scanning sequence table, and a specific line scanning mode timing diagram is shown in fig. 8.
TABLE 2
More preferably, the display scan mode further includes a combination scan mode, wherein the combination scan mode is a plurality of combinations from a first display scan mode to a fifth display scan mode; the fourth number is 29 here, that is, when it is detected that the number of rising edges including RCLK is 29, the combined display scan mode is adopted; different scanning subframes and subfields are set for different modes, and then corresponding scanning is performed according to corresponding line scanning sequence tables. Five line scanning modes can be switched in real time by dynamically setting a chip register in real time, one or more of the five line scanning modes are dynamically combined into a new line scanning mode, and the average weight of the line scanning number in the photographic equipment is displayed, so that the requirement of dynamically adapting to the photographic acquisition equipment is met.
The data matching is performed on the rising edge number of the register clock and a preset scanning matching strategy to determine a display scanning mode of a corresponding driving chip, and the method further comprises the following steps:
and when the rising edge number of the register clock is the seventh number, determining that the display scanning mode of the corresponding driving chip is a combined scanning mode.
Aiming at different requirements of working frequencies and shooting modes of different shooting acquisition devices, a single dynamic uniform-weight scanning mode is difficult to adapt to all requirements, so that the requirements of various shooting devices are summarized into basic five modes, and the shooting requirements of different shooting devices can be adapted through five different line scanning algorithms from mode one to mode five;
if the special photographic acquisition equipment is required, the special photographic acquisition equipment cannot be adapted through any one of the five modes, five line scanning modes can be switched in real time through dynamically setting a chip register in real time, one or more of the five line scanning modes are dynamically combined into a new line scanning mode, and the line scanning number is presented with average weight in the photographic equipment, so that the requirement of dynamically adapting the photographic acquisition equipment is met.
S104: and generating a control instruction of a corresponding driving chip according to the display scanning mode, and sending the control instruction to the driving chip to enable the driving chip to control LED display pixels of the display device to display according to the control instruction.
The technology of the embodiment of the invention realizes that each co-row (or co-column) scanning obtains the opening time with equal weight in any time period range, thereby realizing that the brightness of any block of the LED display screen is the same in any time range.
According to the dynamic uniform weight scanning method based on LED display, the acquired parameters of the image pickup acquisition equipment are analyzed to determine the scanning mode of the display equipment in the corresponding scene, different scanning modes are matched to adapt to the shooting requirements of different image pickup equipment, the occurrence of distortion display of the display device is reduced, and the overall image pickup effect is improved.
Example two
Referring to fig. 11, fig. 11 is a schematic structural diagram of a dynamic uniform weight scanning device based on LED display according to an embodiment of the present invention. As shown in fig. 11, the dynamic uniform weight scanning device based on LED display may include:
the receiving module 21: the camera acquisition equipment parameters are used for receiving user input;
parameter generation module 22: the clock control parameters are used for generating clock control parameters based on the parameters of the camera acquisition equipment, and the clock control parameters comprise a serial data shift clock and a register clock;
the number acquisition module 23: for obtaining the number of rising edges of the register clock during one control period of the serial data shift clock; performing data matching on the rising edge number of the register clock and a preset scanning matching strategy to determine a display scanning mode of a corresponding driving chip;
The drive control module 24: and the control instruction is used for generating a control instruction of a corresponding driving chip according to the display scanning mode, and sending the control instruction to the driving chip to enable the driving chip to control LED display pixels of the display device to display according to the control instruction.
As an optional implementation manner, in the second aspect of the embodiment of the present invention, the display scan mode includes a normal display scan mode, a first display scan mode, a second display scan mode, and a third display scan mode;
the data matching of the rising edge number of the register clock and a preset scanning matching strategy is performed to determine a display scanning mode of a corresponding driving chip, and the method comprises the following steps:
a first matching module: when the rising edge number of the register clock is the first number, determining that the display scanning mode of the corresponding driving chip is a conventional display scanning mode;
and a second matching module: when the rising edge number of the register clock is the second number, determining that the display scanning mode of the corresponding driving chip is the first display scanning mode; the first display scan pattern includes a first row scan sequence associated with a first subfield under a first subframe;
And a third matching module: when the rising edge number of the register clock is the third number, determining that the display scanning mode of the corresponding driving chip is the second display scanning mode; the second display scanning mode comprises a second line scanning sequence, a third line scanning sequence, a fourth line scanning sequence and a fifth line scanning sequence; the second line scanning sequence and the third line scanning sequence are respectively associated with a second sub-field under a second sub-frame and a third sub-field under the second sub-frame, and the fourth line scanning sequence and the fifth line scanning sequence are respectively associated with a fourth sub-field under the third sub-frame and a fifth sub-field under the third sub-frame;
and a fourth matching module: when the number of rising edges of the register clock is the fourth number, determining that the display scanning mode of the corresponding driving chip is a third display scanning mode, wherein the third display scanning mode comprises a sixth row scanning sequence, a seventh row scanning sequence, an eighth row scanning sequence, a ninth row scanning sequence, a tenth row scanning sequence, a twelfth row scanning sequence, a thirteenth row scanning sequence and a fourteenth row scanning sequence; the sixth, seventh and eighth line scan sequences are respectively associated with a sixth, seventh and eighth sub-fields of a fourth sub-frame, the ninth, tenth and eleventh line scan sequences are respectively associated with a ninth, tenth and eleventh sub-fields of a fifth sub-frame, and the twelfth, thirteenth and fourteenth line scan sequences are respectively associated with a twelfth, thirteenth and fourteenth sub-fields of the sixth sub-frame.
As an optional implementation manner, in the second aspect of the embodiment of the present invention, the display scan mode further includes a fourth display scan mode and a fifth display scan mode;
the data matching is performed on the rising edge number of the register clock and a preset scanning matching strategy to determine a display scanning mode of a corresponding driving chip, and the method further comprises the following steps:
and a fifth matching module: when the rising edge number of the register clock is the fifth number, determining that the display scanning mode of the corresponding driving chip is a fourth display scanning mode; the fourth display scan pattern includes a tenth, sixteenth, seventeenth, and eighteenth row scan sequence associated with a fifteenth and sixteenth subfield, respectively, of a seventh subframe, the seventeenth and eighteenth row scan sequences associated with a seventeenth and eighteenth subfield, respectively, of an eighth subframe;
a sixth matching module: and when the rising edge number of the register clock is the sixth number, determining that the display scanning mode of the corresponding driving chip is a fifth display scanning mode, wherein the fifth display scanning mode comprises a plurality of row scanning updating sequences, and the row scanning updating sequences are associated with subfields under corresponding subframes.
According to the dynamic uniform weight scanning method based on LED display, the acquired parameters of the image pickup acquisition equipment are analyzed to determine the scanning mode of the display equipment in the corresponding scene, different scanning modes are matched to adapt to the shooting requirements of different image pickup equipment, the occurrence of distortion display of the display device is reduced, and the overall image pickup effect is improved.
Example III
Referring to fig. 12, fig. 12 is a schematic structural diagram of an electronic device according to an embodiment of the invention. The electronic device may be a computer, a server, or the like, and of course, may also be an intelligent device such as a mobile phone, a tablet computer, a monitor terminal, or the like, and an image acquisition device having a processing function. As shown in fig. 12, the electronic device may include:
a memory 510 storing executable program code;
a processor 520 coupled to the memory 510;
wherein the processor 520 invokes the executable program code stored in the memory 510 to perform some or all of the steps in the dynamic uniform weight scanning method based on LED display in the first embodiment.
The embodiment of the invention discloses a computer readable storage medium storing a computer program, wherein the computer program causes a computer to execute part or all of the steps in the dynamic uniform weight scanning method based on LED display in the first embodiment.
The embodiment of the invention also discloses a computer program product, wherein when the computer program product runs on a computer, the computer is caused to execute part or all of the steps in the dynamic uniform weight scanning method based on LED display in the first embodiment.
The embodiment of the invention also discloses an application release platform, wherein the application release platform is used for releasing a computer program product, and when the computer program product runs on a computer, the computer is caused to execute part or all of the steps in the dynamic equal weight scanning method based on the LED display in the first embodiment.
In various embodiments of the present invention, it should be understood that the size of the sequence numbers of the processes does not mean that the execution sequence of the processes is necessarily sequential, and the execution sequence of the processes should be determined by the functions and internal logic thereof, and should not constitute any limitation on the implementation process of the embodiments of the present invention.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the embodiment.
In addition, each functional unit in the embodiments of the present invention may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
The integrated units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer-accessible memory. Based on this understanding, the technical solution of the present invention, or a part contributing to the prior art or all or part of the technical solution, may be embodied in the form of a software product stored in a memory, comprising several requests for a computer device (which may be a personal computer, a server or a network device, etc., in particular may be a processor in a computer device) to execute some or all of the steps of the method according to the embodiments of the present invention.
In the embodiments provided herein, it should be understood that "B corresponding to a" means that B is associated with a, from which B can be determined. It should also be understood that determining B from a does not mean determining B from a alone, but may also determine B from a and/or other information.
Those of ordinary skill in the art will appreciate that some or all of the steps of the various methods of the described embodiments may be implemented by hardware associated with a program that may be stored in a computer-readable storage medium, including Read-Only Memory (ROM), random-access Memory (Random Access Memory, RAM), programmable Read-Only Memory (Programmable Read-Only Memory, PROM), erasable programmable Read-Only Memory (Erasable Programmable Read-Only Memory, EPROM), one-time programmable Read-Only Memory (OTPROM), electrically erasable programmable Read-Only Memory (EEPROM), compact disc Read-Only Memory (Compact Disc Read-Only Memory, CD-ROM), or other optical disk Memory, magnetic disk Memory, tape Memory, or any other medium capable of being used to carry or store data that is readable by a computer.
The method, the device, the electronic equipment and the storage medium for dynamic uniform weight scanning based on LED display disclosed by the embodiment of the invention are described in detail, and specific examples are applied to the description of the principle and the implementation mode of the invention, and the description of the above embodiments is only used for helping to understand the method and the core idea of the invention; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in accordance with the ideas of the present invention, the present description should not be construed as limiting the present invention in view of the above.
Claims (10)
1. The dynamic uniform weight scanning method based on LED display is characterized by comprising the following steps of:
receiving parameters of camera acquisition equipment input by a user;
generating clock control parameters based on the parameters of the camera acquisition equipment, wherein the clock control parameters comprise a serial data shift clock and a register clock;
acquiring the rising edge number of the register clock in one control period of a serial data shift clock; performing data matching on the rising edge number of the register clock and a preset scanning matching strategy to determine a display scanning mode of a corresponding driving chip;
and generating a control instruction of a corresponding driving chip according to the display scanning mode, and sending the control instruction to the driving chip to enable the driving chip to control LED display pixels of the display device to display according to the control instruction.
2. The LED display-based dynamic uniform weight scanning method of claim 1, wherein the display scanning modes include a regular display scanning mode, a first display scanning mode, a second display scanning mode, and a third display scanning mode;
the data matching of the rising edge number of the register clock and a preset scanning matching strategy is performed to determine a display scanning mode of a corresponding driving chip, and the method comprises the following steps:
When the rising edge number of the register clock is the first number, determining that the display scanning mode of the corresponding driving chip is a conventional display scanning mode;
when the rising edge number of the register clock is the second number, determining that the display scanning mode of the corresponding driving chip is the first display scanning mode; the first display scan pattern includes a first row scan sequence associated with a first subfield under a first subframe;
when the rising edge number of the register clock is the third number, determining that the display scanning mode of the corresponding driving chip is the second display scanning mode; the second display scanning mode comprises a second line scanning sequence, a third line scanning sequence, a fourth line scanning sequence and a fifth line scanning sequence; the second line scanning sequence and the third line scanning sequence are respectively associated with a second sub-field under a second sub-frame and a third sub-field under the second sub-frame, and the fourth line scanning sequence and the fifth line scanning sequence are respectively associated with a fourth sub-field under the third sub-frame and a fifth sub-field under the third sub-frame;
when the rising edge number of the register clock is the fourth number, determining that the display scanning mode of the corresponding driving chip is a third display scanning mode, wherein the third display scanning mode comprises a sixth row scanning sequence, a seventh row scanning sequence, an eighth row scanning sequence, a ninth row scanning sequence, a tenth row scanning sequence, a twelfth row scanning sequence, a thirteenth row scanning sequence and a fourteenth row scanning sequence; the sixth, seventh and eighth line scan sequences are respectively associated with a sixth, seventh and eighth sub-fields of a fourth sub-frame, the ninth, tenth and eleventh line scan sequences are respectively associated with a ninth, tenth and eleventh sub-fields of a fifth sub-frame, and the twelfth, thirteenth and fourteenth line scan sequences are respectively associated with a twelfth, thirteenth and fourteenth sub-fields of the sixth sub-frame.
3. The LED display-based dynamic uniform weight scanning method according to claim 2, wherein the display scanning mode further comprises a fourth display scanning mode and a fifth display scanning mode;
the data matching is performed on the rising edge number of the register clock and a preset scanning matching strategy to determine a display scanning mode of a corresponding driving chip, and the method further comprises the following steps:
when the rising edge number of the register clock is the fifth number, determining that the display scanning mode of the corresponding driving chip is a fourth display scanning mode; the fourth display scan pattern includes a tenth, sixteenth, seventeenth, and eighteenth row scan sequence associated with a fifteenth and sixteenth subfield, respectively, of a seventh subframe, the seventeenth and eighteenth row scan sequences associated with a seventeenth and eighteenth subfield, respectively, of an eighth subframe;
when the number of rising edges of the register clock is the sixth number, determining that the display scanning mode of the corresponding driving chip is a fifth display scanning mode, wherein the fifth display scanning mode comprises a plurality of row scanning updating sequences, and the row scanning updating sequences are associated with subfields under corresponding subframes.
4. The LED display-based dynamic uniform weight scanning method of claim 3, wherein the display scanning mode further comprises a combined scanning mode, wherein the combined scanning mode is a plurality of combinations from a first display scanning mode to a fifth display scanning mode;
the data matching is performed on the rising edge number of the register clock and a preset scanning matching strategy to determine a display scanning mode of a corresponding driving chip, and the method further comprises the following steps:
and when the rising edge number of the register clock is the seventh number, determining that the display scanning mode of the corresponding driving chip is a combined scanning mode.
5. The LED display-based dynamic uniform weight scanning method according to claim 1, further comprising, after said generating a clock control parameter based on said captured acquisition device parameter, said clock control parameter including a serial data shift clock and a register clock:
transmitting a serial data shift clock to perform line feed operation; in the common positive driving circuit, the channel opening time is the time when the output of the output channel is high; in the common-negative circuit, the channel-open timing is when the output channel output is low.
6. The utility model provides a dynamic uniform weight scanning device based on LED shows which characterized in that includes:
And a receiving module: the camera acquisition equipment parameters are used for receiving user input;
and a parameter generation module: the clock control parameters are used for generating clock control parameters based on the parameters of the camera acquisition equipment, and the clock control parameters comprise a serial data shift clock and a register clock;
the quantity acquisition module is used for: for obtaining the number of rising edges of the register clock during one control period of the serial data shift clock; performing data matching on the rising edge number of the register clock and a preset scanning matching strategy to determine a display scanning mode of a corresponding driving chip;
and a drive control module: and the control instruction is used for generating a control instruction of a corresponding driving chip according to the display scanning mode, and sending the control instruction to the driving chip to enable the driving chip to control LED display pixels of the display device to display according to the control instruction.
7. The LED display-based dynamic weight average scanning device of claim 6, wherein the display scanning modes include a regular display scanning mode, a first display scanning mode, a second display scanning mode, and a third display scanning mode;
the data matching of the rising edge number of the register clock and a preset scanning matching strategy is performed to determine a display scanning mode of a corresponding driving chip, and the method comprises the following steps:
A first matching module: when the rising edge number of the register clock is the first number, determining that the display scanning mode of the corresponding driving chip is a conventional display scanning mode;
and a second matching module: when the rising edge number of the register clock is the second number, determining that the display scanning mode of the corresponding driving chip is the first display scanning mode; the first display scan pattern includes a first row scan sequence associated with a first subfield under a first subframe;
and a third matching module: when the rising edge number of the register clock is the third number, determining that the display scanning mode of the corresponding driving chip is the second display scanning mode; the second display scanning mode comprises a second line scanning sequence, a third line scanning sequence, a fourth line scanning sequence and a fifth line scanning sequence; the second line scanning sequence and the third line scanning sequence are respectively associated with a second sub-field under a second sub-frame and a third sub-field under the second sub-frame, and the fourth line scanning sequence and the fifth line scanning sequence are respectively associated with a fourth sub-field under the third sub-frame and a fifth sub-field under the third sub-frame;
and a fourth matching module: when the number of rising edges of the register clock is the fourth number, determining that the display scanning mode of the corresponding driving chip is a third display scanning mode, wherein the third display scanning mode comprises a sixth row scanning sequence, a seventh row scanning sequence, an eighth row scanning sequence, a ninth row scanning sequence, a tenth row scanning sequence, a twelfth row scanning sequence, a thirteenth row scanning sequence and a fourteenth row scanning sequence; the sixth, seventh and eighth line scan sequences are respectively associated with a sixth, seventh and eighth sub-fields of a fourth sub-frame, the ninth, tenth and eleventh line scan sequences are respectively associated with a ninth, tenth and eleventh sub-fields of a fifth sub-frame, and the twelfth, thirteenth and fourteenth line scan sequences are respectively associated with a twelfth, thirteenth and fourteenth sub-fields of the sixth sub-frame.
8. The LED display-based dynamic weight average scanning device of claim 7, wherein the display scanning mode further comprises a fourth display scanning mode, a fifth display scanning mode;
the data matching is performed on the rising edge number of the register clock and a preset scanning matching strategy to determine a display scanning mode of a corresponding driving chip, and the method further comprises the following steps:
and a fifth matching module: when the rising edge number of the register clock is the fifth number, determining that the display scanning mode of the corresponding driving chip is a fourth display scanning mode; the fourth display scan pattern includes a tenth, sixteenth, seventeenth, and eighteenth row scan sequence associated with a fifteenth and sixteenth subfield, respectively, of a seventh subframe, the seventeenth and eighteenth row scan sequences associated with a seventeenth and eighteenth subfield, respectively, of an eighth subframe;
a sixth matching module: and when the rising edge number of the register clock is the sixth number, determining that the display scanning mode of the corresponding driving chip is a fifth display scanning mode, wherein the fifth display scanning mode comprises a plurality of row scanning updating sequences, and the row scanning updating sequences are associated with subfields under corresponding subframes.
9. An electronic device, comprising: a memory storing executable program code; a processor coupled to the memory; the processor invokes the executable program code stored in the memory for performing the dynamic uniform weight scanning method based on LED display of any one of claims 1 to 5.
10. A computer-readable storage medium storing a computer program, wherein the computer program causes a computer to execute the dynamic average-weight scanning method based on LED display of any one of claims 1 to 5.
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