KR20140127662A - Method and apparatus for control the display for mobile terminal - Google Patents

Abstract

The present invention relates to a method and an apparatus for controlling a screen in a terminal which can control a rectangular-shaped screen to eliminate distortion of a projected screen. The present invention, regarding a method for controlling a screen in a terminal, comprises the processes of: entering into a view control mode; judging whether to set up distortion in the view control mode or to select a view of which the distortion is set; applying the distortion set corresponding to the view when the view of which the distortion is set is selected in the judging process; and setting up and applying the distortion in an original screen when the distortion is set in the judging process.

Description

TECHNICAL FIELD [0001] The present invention relates to a screen adjusting method,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0002] The present invention relates to a method and an apparatus for adjusting a screen in a terminal, and a method and an apparatus for adjusting a screen in a terminal in which a rectangular screen can be adjusted in order to eliminate distortion of a projected screen.

The navigation system installed in the car is installed in Center Fascia in the control panel part of the car when it is landfilled. The driver must pay attention to the front, rear, and sides, but navigation is not easy to navigate because it is on the outside of the viewing angle or off. In addition, drivers who are unfamiliar with geography are more likely to interfere with safe driving because they have to pay more attention to navigation in addition to this. Especially for beginners, the risk of accidents increases.

On the other hand, in many cases, tinting (or tanning) is often performed on the windshield of an automobile for the purpose of blocking ultraviolet rays and improving fuel efficiency. When the tinting is performed in this way, the front glass can be used as a screen, and even if the tinting is not performed, the front glass can be utilized as the projection surface of the terminal if the outside is dark.

Advanced passenger cars sometimes display the instrument panel or simple navigation through the Head Up Display (HUD). In recent years, the HUD that displays the instrument panel information on the front windshield of a car has been adopted as a projector or a method using a laser (Razer). However, in general, a projection surface of a projector is displayed on a plane. However, as described above, there is a problem that a front glass used as a projection surface in an automobile is a curved line, and distortion occurs.

The windshield of an automobile is generally curved and has a slope, though there is a slight difference depending on the type of the automobile. In this case, when the image of the terminal is projected on the windshield of the vehicle, distortion occurs due to the characteristics of the windshield of the vehicle. Distortion in the image projected on the windshield of an automobile may be distorted due to the distortion caused by the curvature of the windshield of the vehicle and the distortion caused by the inclination of the windshield.

When the screen of the terminal is projected onto the windshield of the car, the front glass of the car is inclined, so that the screen projected on the windshield of the car is distorted by trapezoid due to the difference in distance between the terminal's screen and the windshield of the car do. In addition, due to the characteristics of the automobile, which is required to improve the fuel efficiency by reducing the air resistance, the windshield of the vehicle has a shape of a slight curve in the lateral and longitudinal directions, and the distortion is caused thereby.

Distortion occurring on the screen projected on the windshield of the vehicle is complicated depending on the type of the vehicle and the position of the terminal. Therefore, there is a need to eliminate the distortion of the screen having such a complicated aspect.

It is an object of the present invention to provide a method and an apparatus for adjusting a screen in a terminal which can distort distortion of the projected image by intentionally distorting the size and shape of the screen of the terminal.

It is another object of the present invention to provide a method and apparatus for adjusting a screen so that a distorted set screen can be stored and reflected so that a distorted screen can be reflected.

According to another aspect of the present invention, there is provided a method of adjusting a screen in a terminal according to an exemplary embodiment of the present invention, Determining whether to set a distortion or a distorted view in the view adjustment mode; Selecting a view whose distortion is set in the determining process, applying a distortion setting corresponding to the view; And setting a distortion in the determination process and setting and applying distortion to the original screen.

According to another aspect of the present invention, there is provided an apparatus for adjusting a screen in a terminal, the apparatus comprising: a display unit for displaying a distorted state of an original screen of the terminal; A touch screen unit; A storage unit for storing a distortion table corresponding to an angle and a moving distance and storing a conversion table for converting a degree of distortion of a picture taken by the camera unit into a variation angle and a moving distance of the distortion table; A sensor unit for sensing a changed angle and a moving distance of the terminal; And a controller for performing a distortion on the touch screen sub-screen by referring to the distortion table, the change angle input from the user, or the movement distance and the change angle input through the sensor unit.

As described above, the method and apparatus for adjusting the screen in the terminal according to the embodiment of the present invention can intentionally distort the size and shape of the screen of the terminal, thereby eliminating the distortion of the projected screen. It is effective to provide convenience.

In addition, the present invention can store a setting state in which a distortion is set and reflect the setting state, thereby quickly applying a screen on which a distortion is set, and as a result, a distorted and projected screen can be obtained quickly.

1 is a block diagram schematically illustrating a configuration of a terminal according to an embodiment of the present invention.
2 is a flowchart illustrating a process of adjusting a screen in a terminal according to an embodiment of the present invention.
FIG. 3 is a flowchart showing one embodiment of setting a view distortion according to FIG. 2 of the present invention.
4A to 4E are UI diagrams showing UIs for setting a view and states distorted by a touch according to FIG. 3 of the present invention.
Fig. 5 is a flowchart showing another embodiment of setting the distortion of the view according to Fig. 2 of the present invention.
FIG. 6 is a view illustrating a state where a terminal is disposed on a mounting surface according to FIG. 5 of the present invention.
FIG. 7 is a UI diagram illustrating a UI for inputting an angle according to FIG. 5 of the present invention.
Fig. 8 is a flowchart showing another embodiment of setting the distortion of the view according to Fig. 2 of the present invention.
FIG. 9 is a diagram illustrating the arrangement of a terminal on a mounting surface and a terminal on a projection surface according to FIG. 8 of the present invention.
Fig. 10 is a flowchart showing another embodiment of setting a distortion of a view according to Fig. 2 of the present invention.
Fig. 11 is a view showing an image of a test screen and a projected test screen according to Fig. 10 of the present invention. Fig.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Note that, in the drawings, the same components are denoted by the same reference numerals as possible. Further, the detailed description of known functions and configurations that may obscure the gist of the present invention will be omitted.

It should be noted that the embodiments of the present invention disclosed in the present specification and drawings are only illustrative of the present invention in order to facilitate the understanding of the present invention and are not intended to limit the scope of the present invention. It is to be understood by those skilled in the art that other modifications based on the technical idea of the present invention are possible in addition to the embodiments disclosed herein.

On the other hand, the view is divided by a unique ID (IDentification), and displays a screen storing distortion that can eliminate distortion of the projected screen. The view may be a screen of an application, a screen displaying a picture, a screen displaying a map or the like, a navigation screen of navigation, and the like.

1 is a block diagram schematically illustrating a configuration of a terminal according to an embodiment of the present invention. 1, a terminal 100 according to an exemplary embodiment of the present invention includes a controller 110, a storage unit 120, a touch screen unit 130, a camera unit 140, an input unit 150, A sensor unit 160, and a sensor unit 170.

The touch screen unit 130 displays various menus of the terminal 100 as well as a view including information inputted by the user or a view for providing to the user. For example, the touch screen unit 130 may display various screens according to the use of the terminal 100, for example, a view for a standby screen, a view for a message creation screen, a view for a call screen, A view of a screen or a navigation screen, and a view of a screen displaying a photograph. For example, the touch screen unit 130 may display a view of a screen including a map on a navigation screen. This view is basically set to distort the original screen.

The touch screen unit 130 may include a liquid crystal display (LCD), an organic light emitting diode (OLED), and an active matrix organic light emitting diode (AMOLED). A corresponding touch may be input through the touch screen unit 130 to perform a function as an input unit. For example, the degree of distortion can be adjusted through a touch on a screen for setting a distortion.

The camera unit 140 may capture an image (image or moving image). Particularly, the camera unit 140 according to the embodiment of the present invention takes a test screen of a projected original screen or a projected view screen, in particular, an original screen or a view screen image, and recognizes each vertex portion of the test screen To the control unit 110.

The wireless communication unit 160 forms a communication channel for voice communication, a communication channel for video communication, and a communication channel for data transmission such as an image and a message under the control of the controller 160. That is, the wireless communication unit 160 forms a voice communication channel, a data communication channel, and a video communication channel between mobile communication systems. The wireless communication unit 160 may include a radio frequency transmitter for up-converting and amplifying a frequency of a transmitted signal, and a radio frequency receiver for performing low-noise amplification and down-conversion on the frequency of a received signal.

The wireless communication unit 160 may be added when the terminal 100 supports the communication function and may be omitted when the terminal 100 does not support the communication function.

The storage unit 120 may include a program area and a data area. The program area includes a program for controlling overall operation of the terminal 100, an operating system for booting the terminal 100, an application program necessary for reproducing multimedia contents, For example, a camera function, a sound reproduction function, an application program necessary for an image or moving picture reproduction function, and the like. In particular, the program area according to the present invention may include a program for setting a view. For example, the program may include a program for setting the distortion by referring to the distortion table according to the angle inputted by the user. And a program for setting a distortion according to a value input through the sensor unit 170. [ Or a program for analyzing an image captured through the camera unit 140 and calculating a moving distance and a changing angle corresponding to the degree of distortion. On the other hand, the information used in such image analysis may be experimental information. In addition, it may include an algorithm for calculating the moving distance and the changing angle according to the information input from the gyro sensor, the acceleration sensor and the encoder.

In the data area of the storage unit 120, a set value adjusted for a test screen, a size and a shape of a view is stored, and a distortion table, which is a material capable of performing a distortion according to a change angle, a movement distance, and a curvature, is stored . In addition, a conversion table for converting the distortion of the picture taken by the camera unit 140 into a distortion table is also stored.

The sensor unit 170 may include a gyro sensor, an acceleration sensor, an encoder, and the like capable of detecting an angle change. In order to compensate for the disadvantages of each sensor and to emphasize its advantages, a combination of the gyro sensor and the acceleration sensor may be used to detect the optimum moving distance and the changing angle It can also detect. For example, in the case of calculating an angle changed by the gyro sensor, a change angle with a high accuracy can be obtained in one case, but in the case of accumulation, the error also accumulates and the accuracy drops sharply. On the other hand, when an acceleration sensor is utilized, a precisely changed angle can be obtained. However, when the translational moving component is included, the error is generated. Therefore, it is possible to track the exact angle of change and travel distance by using appropriate algorithm using only the merits of these two sensors. However, when it is desired to obtain a quick result value, the change angle and the movement distance may be obtained using only one of the acceleration sensor and the gyro sensor.

The control unit 110 may control the overall operation of the terminal 100 and the signal flow between the internal blocks of the terminal 100. [ Particularly, the control unit 110 according to the present invention analyzes the distance between the vertexes and the test image of the trapezoid from the image of the test screen projected by the camera unit 140, and converts the distance and the angle of change through the conversion table , And this information can be referred to in the distortion table to perform distortion.

At this time, the distortion table that refers to the movement distance and the change angle obtained through the sensor unit 170 and the distortion table that uses the angle information input by the user use the same distortion table, but using the camera unit 140, A conversion table is further included to obtain the distortion setting from the image taken by the camera. The conversion table makes it possible to convert the image size and the length difference between the upper and lower surfaces into the movement distance and angle, and performs the distortion according to the information of the distortion table through the converted movement distance and angle change.

For example, the distortion table records a distortion rate according to a change angle, a movement distance, a curvature, and the like. At this time, the moving distance provides a relative value to the changing angle. For example, in the case where the moving distance is large, the projected screen becomes a large screen, and the distortion becomes larger. In order to reduce this, it is possible to increase the distortion according to the moving distance.

Curvature, on the other hand, refers to the degree of curvature of the four line segments connecting the vertex and the vertex of the original screen or rectangular view.

The control unit 110 sets the distortion value corresponding to the distortion table according to the input angle value. In addition, the control unit 110 may distort the original screen or the view with the information of the distortion table corresponding to the movement distance, the angle change, and the curvature calculated by the gyro sensor and the acceleration sensor.

The control unit 110 controls the touch screen unit 130 to output the ID based on the size / shape of the view according to the value set in the view having the unique ID.

2 is a flowchart illustrating a process of adjusting a screen in a terminal according to an embodiment of the present invention. Referring to FIG. 2, the controller 110 enters a view adjustment mode in step S201. The view control mode can set the view in each application unit, and can be applied to one window. For example, when applied to an application, it can be applied to the entire navigation application. Or, if you display a photo, you can apply the view to that photo only.

The control unit 110 displays an original screen in a non-distorted state in step S202. For example, the original screen refers to a view in which distortion does not occur on the screen of the terminal 100.

In step S203, the control unit 110 outputs a message asking the user whether to select a view or a view, and determines whether a view selection has been input or a view setting has been input from the user. At this time, when selecting a view, each view has a unique ID assigned thereto, so that the user can easily distinguish the view.

If the view is selected in step S203, the controller 110 displays a distortion setting corresponding to the view in step S204. The user determines whether to change the distorted view or to apply the distorted view to the projected screen according to the displayed distortion setting and the distortion setting, and inputs a command corresponding thereto. In step S205, the controller 110 determines whether to change the view distortion or the view distortion according to the input command.

If it is determined in step S205 that the distortion of the view is not changed, the control unit 100 inquires of the user whether to apply the distortion of the displayed image in step S211, receives the input corresponding to the inquiry, Whether to apply or not to apply the distortion of < RTI ID = 0.0 >

If it is determined in step S211 that the distortion of the view is to be applied, the controller 110 displays the applied view on the touch screen unit 130 in step S212 and terminates the process. Here, the view is applied to the original screen to indicate a state in which the screen is already distorted, and the view includes coordinates on the touch screen unit 130 of the four vertices of the screen, information on the distortion information storing the distorted curvature information Lt; / RTI >

If it is determined in step S203 that the view is to be set, or if it is determined in step S205 that the degree of distortion of the displayed image is to be changed, the distortion of the view is set in step S206. Each of the embodiments for setting the distortion of the view described below may be displayed as a menu and selectively performed by selection, or may be executed in combination with each of the embodiments. (S206) will be described in more detail with reference to FIGS. 3 to 11, which will be described later. At this time, the distortion setting of the view may be targeted to the original screen in which the distortion is not set, or may be the view in which the distortion is set.

The control unit 110 displays the set view on the touch screen unit 130 according to the distortion setting of the view set in the process of S206. The user can confirm the screen by projecting the screen displayed on the touch screen unit 130 onto the projection surface. Preferably, the view has a shape close to a trapezoid, and a projection screen projected on a projection surface having an inclination is displayed close to a rectangular screen.

The control unit 110 outputs a message inquiring whether or not to store the view distortion setting to the touch screen unit 130 and determines whether to store or delete the message according to the input of the user corresponding to the message .

If it is determined in step S208 that the distortion setting of the view is to be stored, the control unit 110 may provide a series of unique IDs to the view in step S209 or may assign a unique ID to the user do. For example, a set of unique IDs may be year-of-year date and time in the form of a file type, or may be a unique ID specified by the user. In step S210, the control unit 110 may divide the view into unique IDs, and stores the view distortion settings in the storage unit 120, which are displayed in the unique IDs. (S211), which is a process of inquiring the user whether or not to apply the distortion of the view and receiving input corresponding to the inquiry and determining whether the user applies distortion of the view or not, .

FIG. 3 is a flowchart showing one embodiment of setting a view distortion according to FIG. 2 of the present invention. Referring to FIG. 3, in step S301, the controller 110 displays a UI for setting distortion of a view according to the present invention. A UI diagram for setting the view is shown in FIG. 4A. 4A shows a terminal before a deformation occurs. At this time, as described in the previous step (S206), distortion may be performed on the original screen, or distortion may be performed on the view. In FIG. 4A, for the sake of convenience of explanation, the distortion proceeding on the original screen will be described. And displays a plurality of adjustment pointers 411 to 418 that can adjust the shape of each original screen or an intermediate point between the vertexes and vertexes of the screen of the touch screen unit 130. [ At this time, the adjustment pointers 411 to 418 may be configured only to the four vertices of the screen of the touch screen unit 130, or may be configured such that the vertices of the screen of the touch screen unit 130 and adjacent vertices Or at the midpoint of the line segment connecting the lines. In step S302, the user can input and manipulate a touch on the adjustment pointers 411 to 418 through the touch screen unit 130 to adjust the shape, size, and the like. For example, when the hand is simultaneously dragged in the inner vertical direction while touching the third adjustment pointer and the eighth adjustment pointer 413 and 418 among the eight adjustment pointers 411 to 418 in the original screen, The distortion will be displayed to adjust. The distortion of the view thus adjusted is displayed on the touch screen unit 130 in step S207. If necessary, the distortion is set in step S209 according to the user's selection in step S208, As shown in FIG. In addition, when the sixth adjustment pointer and the eighth adjustment pointer 416 and 418 of the adjustment pointers 411 to 418 are simultaneously dragged in the inner horizontal direction on the original screen, the distortion of the view as shown in FIG. 4C can be adjusted. Likewise, the distortion setting of the view shown in FIG. 4C can also be stored as a corresponding unique ID. 4A, if the fourth adjustment pointer and the fifth adjustment pointer 414 and 415 of the adjustment pointers 411 to 418 are simultaneously dragged in the inner horizontal direction, the distortion of the view as shown in FIG. 4D can be adjusted . Similarly, the distortion setting of the view shown in Fig. 4D can be stored. 4D, the coordinates of the four vertices are the same as the original screen, but the curvature of the long axis portion of the touch screen unit 130 of the terminal 100 is changed. In addition, when the eighth adjustment pointer 418 of the adjustment pointers 411 to 418 is dragged in the inner horizontal direction on the original screen of FIG. 4A, the distortion of the view as shown in FIG. 4E can be displayed. Likewise, the distortion setting of the view shown in FIG. 4E can also be stored. 4A to 4E, only a part of the adjustment pointers 411 to 418 are manipulated and distorted. However, it is possible to operate one adjustment pointer 411 to 418, The pointers 411 to 418 may be manipulated. Then, the adjustment pointers 411 to 418 can be operated until distortion of a desired shape is obtained.

Fig. 5 is a flowchart showing another embodiment of setting the distortion of the view according to Fig. 2 of the present invention. Referring to FIG. 5, in step S501, the user inputs a setting for specifying upper and lower portions of the touch screen unit 130 of the terminal 100, respectively. At this time, when the user sets the terminal 100 close to a right angle, the gyro sensor or the acceleration sensor of the sensor unit 170 recognizes the upper and lower settings so that the upper and lower portions can be set. Or the upper and lower portions may be set so that the portion first touched by the user through the touch screen unit 130 is the upper portion and the portion that is touched later is the lower portion. Alternatively, if you select a view, you can automatically determine the top and bottom. For example, if a trapezoid appears on the screen of the view, a narrow portion can be judged as an upper portion and a wider portion can be judged as a lower portion. 6, the projection surface 620 is tilted with respect to the installation surface 610, and the upper portion of the touch screen unit 130 installed on the installation surface 610 is relatively long And the lower portion of the touch screen unit 130 is projected relatively close to the screen. The upper and lower portions of the touch screen unit 130 may be disposed horizontally or vertically. Such an example is shown at 601 in Fig. In the case where the touch screen unit 130 of the terminal 100 is disposed horizontally (reference numeral 601), the upper and lower portions of the touch screen unit 130 can be distinguished from each other. The upper and lower portions of the touch screen unit 130 can be distinguished by the above-described method.

In step S502, the controller 110 displays an angle input window through which the user can input an angle. The angle input to the angle input window means an angle formed by the mounting surface 610 and the projection surface 620. When the angle is input, the corresponding distortion can be performed referring to the distortion table. In Fig. 7, a UI for inputting an angle is displayed. The user inputs the angle through the input unit 150 or the touch screen unit 130 in step S503. An input window 720 using the touch screen unit 150 is displayed in FIG. 7, and a display window 710 is displayed in an upper portion of the input window 720. An angle display box 712 is displayed on one side of the display window 710 to display the input angle. At this time, a minus (-) value can be input. Generally, when plus or minus is not inputted, it is recognized as cotton plus.

On the other hand, in the case of the original screen, the user inputs an angle corresponding to the angle between the installation surface 610 and the projection surface 620, and the controller 110 determines the original screen according to the input angle in step S504 Distorted in trapezoid to perform correction for original screen. In the case of the view, the user inputs an angle corresponding to the error while viewing the projection screen on which the view is projected, and the controller 110 causes the view to be distorted according to the input angle in step S504. For example, when the angle is input as a plus (+) value, distortion of the trapezoid is increased, and when the angle is input as a negative value, distortion of the trapezoid can be reduced.

Meanwhile, the storage unit 120 has a distortion value corresponding to the input angle in the form of a table. And corrects the original screen or view of the terminal 100 according to the distortion table. For example, if the original screen is distorted, the upper screen becomes narrower and the lower screen has a wide trapezoidal shape. The degree of distortion depends on the distortion table. On the other hand, the distortion table may also include information on the moving distance and information on the curvature.

When distorting the view, a negative angle value can be input. When a negative angle value is input, it is possible to perform a distortion that broadens the upper surface and narrows the lower surface. However, in order to maintain the maximum screen, it is preferable to adjust the lower portion to the maximum screen length and to widen only the upper portion. This is a reduction in distortion. On the contrary, when the angle value of plus is inputted, it is possible to perform distortion to narrow the upper face and widen the lower face. Likewise, to keep the maximum screen, it is desirable to adjust the bottom to the maximum screen length and to narrow the top only. This is an increase in distortion. An original screen or view distorted in a trapezoidal shape placed on the mounting surface 610 is projected onto the projection surface 620 as shown by reference numeral 602 in FIG. Since the distance from the bottom of the original screen or view of the terminal 100 to the projection surface 620 is longer than the distance from the bottom to the projection surface 620, the screen projected on the projection surface 620 is rectangular It is displayed in close form.

The user can additionally input an angle while viewing the screen projected on the projection surface 620 to obtain a projection screen of a shape nearly close to a rectangle. The distortion table includes information for distorting the original screen or view according to the angle value, and the larger the angle value is, the more the distortion is increased. On the other hand, the distortion table can be determined by experimental values or experiential values, and the projection surface 620 can be a windshield of an automobile having an inclined surface.

Fig. 8 is a flowchart showing another embodiment of setting the distortion of the view according to Fig. 2 of the present invention. Referring to FIG. 8, in step S801, the user sets to place the terminal 100 on the installation surface 610. FIG. For example, when the sensor unit 170 is used, a message for placing the terminal 100 on the installation surface 610 is displayed to the user through the UI, and when the user confirms the message, the control unit 110 displays the installation surface 610 The terminal 100 is located in the vicinity of the terminal 100.

The controller 110 arranges the terminal 100 on the installation surface 610 according to a message in the process of step S802 and recognizes that a certain period of time has passed while the terminal 100 is being installed, As shown in FIG. An embodiment in which the terminal is arranged on the installation surface 610 at reference numeral 901 in Fig. 9 is shown. At this time, the acceleration sensor, the gyro sensor, the encoder, and the like in the sensor unit 170 of the terminal 100 are initialized. The initialization of the acceleration sensor, the gyro sensor and the encoder may be performed by setting the movement distance to '0' and the angle to '0'.

The user sets the terminal 100 to be placed on the projection plane 620 in step S803. For example, setting the arrangement of the terminal 100 on the projection plane 620 indicates that the terminal 100 recognizes that the terminal 100 is disposed on the installation surface 610 through the UI, and simultaneously arranges the terminal 100 on the projection plane If you display a message asking if you want to do this, it may be the user confirming it. After the confirmation, the user places the terminal 100 on the projection plane 620 where the screen of the terminal 100 is expected to be projected in step S804.

An embodiment in which the terminal 100 is disposed on the projection surface 620 is shown at 902 in FIG. At this time, when the terminal 100 moves on the installation surface 610, the controller 110 detects movement or impact of the terminal 100. When the controller 110 detects that the mobile terminal 100 is held in the stopped state for a predetermined time, the controller 110 receives information from the sensor unit 170 of the terminal 100 in step S805 and calculates a change angle and a movement distance. Preferably, the control unit 110 obtains the change angle by using the gyro sensor and the acceleration sensor together in the sensor unit 170, and obtains the distance by using the gyro sensor and the acceleration sensor encoder together. However, the controller 110 can obtain the gyro sensor or the acceleration sensor by using the gyro sensor or the acceleration sensor when the movement distance and the angle of change are not accumulated and the translational momentum is small. Particularly, in obtaining the change angle, only one of the gyro sensor and the acceleration sensor can be utilized. That is, the controller 110 calculates a moving distance and a changing angle of the terminal 100 according to information input from the sensor unit 170 including sensors such as an acceleration sensor, a gyro sensor, and an encoder.

In step S806, the controller 110 adjusts the view according to the movement distance and the change angle. At this time, information of the distortion table described above can be utilized. Meanwhile, when the distortion table is utilized, the change angle calculated by the controller 110 applies a corresponding distortion rate according to the change angle described above with reference to FIG. For example, the distortion angle of the distortion table corresponding to the angle of change measured by the sensor unit 170 and the angle value according to the manner input by the user may be the same. Here, the distortion rate may be expressed as a ratio of the length of the line on the upper surface to the length of the line on the lower surface on the screen of the touch screen unit 130 of the terminal 100, in the form of a trapezoid. For example, if the length of the line on the bottom surface is 10 and the length of the line on the top surface is 8, then it can be set to 8/10, i.e. 4/5. In this case, the length of the line on the lower surface may be the largest length that the touch screen unit 130 can display.

As described above, when the original image is corrected in a trapezoidal manner, the projected image is projected as a rectangular image as described above. In this case, in the embodiment described with reference to Figs. 8 and 9, it is preferable to perform only the original screen. However, it goes without saying that it may be performed on the view.

Fig. 10 is a flowchart showing another embodiment of setting a distortion of a view according to Fig. 2 of the present invention. Referring to FIG. 10, the control unit 110 displays an original screen or a view. At this time, the test screen can be configured in the shape of the original screen or view. For convenience of explanation, an example in which the shape of an original screen is configured as a test screen will be described. The test screen is displayed on the touch screen unit 130 in the process of step S1001. The control unit 110 controls the camera unit 140 in step S1002 to capture an image of the projected screen by capturing a projection screen projected on the projection screen 620 from an original screen or a view.

On the other hand, the test screen displays a symbol separated from the desktop in a contrasting color or a primary color in the middle of a line connecting each vertex and a vertex of the rectangle in the form of an original screen for easy correction. The contrast color used in this symbol is a color that can be contrasted with the surroundings, such as using black, if the background color is white.

The controller 110 calculates a keystone distortion value from the image obtained in the step S1002. The calculation of the keystone distortion value can utilize the difference between the overall size of the image and the lengths of the top and bottom surfaces. In this case, the size of the image of the projected image can be obtained by recognizing four points of each vertex and obtaining the area of four points, and similarly, the difference value between the lengths of the upper and lower surfaces is 2 It can be determined from the difference between the distance between points and the distance between two points below. On the other hand, the curvature of the projected screen can be checked through each symbol displayed in the middle of the line connecting the vertexes.

The moving distance and the changing angle can be found by referring to the conversion table from the difference between the area of the screen thus obtained and the distance between the two points. Also, the curvature of the projection surface 620 can be determined.

When the control unit 110 finds the moving distance, the changing angle, and the curvature, the controller 110 determines whether the original screen or view is distorted according to the moving distance, the changing angle, and the distortion table value corresponding to the curvature . When the distorted original screen or view is projected on the projection surface 620 while being placed on the installation surface 610, a projection image close to a nearly rectangular shape can be obtained. At this time, only the moving distance and the changing angle may be displayed, or the curvature may be additionally displayed. For example, when there is a curvature on a slope, there is a slight difference, so that the user can selectively adjust the slope.

Referring to FIG. 11, a test screen having an original screen size is displayed at 1101. FIG. When the background of the terminal touch screen unit 130 is white, the vertices of the touch screen unit 130 are marked with a black square as a symbol. However, the symbol may be composed of polygons other than a rectangle, and the color of the symbol may also be composed of a primary color such as red, blue, or sulfur, in which the image captured by the camera unit 140 is more clearly distinguished. In addition, although not shown in the drawing, a rectangle may be displayed at the midpoint of four line segments connecting the respective vertexes. Similarly, the rectangle disposed at the center of the line segment can be changed into a polygonal shape.

Reference numeral 1102 in FIG. 11 is an image of a test screen projected onto the projection surface 610. On the other hand, the test image may be composed of the shape of the view or the shape of the original screen, but the shape of the original screen will be described for convenience of explanation. When the image projecting the test screen based on the shape of the original screen is captured, the upper horizontal image is displayed longer and the lower horizontal image is displayed shorter.

On the other hand, even when the shape of the view is used by using the Pondran test screen, a test screen corresponding to the distortion setting of the view can be displayed, and the screen on which the test screen of the view is projected can be captured and analyzed to reset the distortion.

3, 5, 8, and 10, each of the embodiments may be respectively displayed as one menu and each of the embodiments may be performed according to a selection of a user who selects a displayed menu, May be performed in combination.

For example, the embodiments described with reference to FIGS. 5, 8, and 10 may be performed first, and the embodiment described with reference to FIG. 3 may be additionally selected and performed with fine adjustment. Or after performing at least one of the embodiments described with reference to FIGS. 5 and 8, at least one of the embodiments described with reference to FIG. 3 or FIG. 10 may be performed to perform the fine adjustment. Or after performing the embodiment described with reference to FIG. 8, at least one of the embodiments described with reference to FIG. 3, FIG. 5, or FIG. 10 may be performed to perform the fine adjustment. For example, after performing the embodiments described with reference to FIGS. 5, 7, and 9 to manipulate the projected view image in a shape close to a rectangle, a finer rectangle is created through the embodiment described in detail with reference to FIG. .

Meanwhile, the embodiments described with reference to FIGS. 5, 8, and 10 use the same distortion table. In addition, in order to use the same distortion table, in the embodiment described with reference to FIG. 10, the change angle, the moving distance and the curvature can be calculated through the conversion table. For example, although only the angle is shown in FIG. 5, the approximate distance may be input, or the correction may be performed according to the curvature of the surface between the vertices of each screen. However, since the amount of distortion due to the angle is larger than the distortion caused by the distance, it is possible to configure to input only the angle.

Although the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, The present invention is not limited to the above-described embodiments. That is, it is apparent to those skilled in the art that various embodiments based on the technical idea of the present invention are possible.

100: terminal 110:
120: storage unit 130: touch screen unit
140: camera unit 150: input unit
160: wireless communication unit 170:

Claims (21)

A method of adjusting a screen in a terminal,
Executing a view adjusting mode and determining whether to set the distortion or a distorted view;
A step of applying a distortion corresponding to the view when a view with distortion is selected in the determining step;
Projecting a distortion corresponding to the view onto a projection surface;
Setting a distortion in the original screen if the distortion is set in the determining process;
And projecting the distortion setting applied to the original screen onto the projection surface. The method according to claim 1,
Wherein the projection surface is a front glass of a vehicle. The method according to claim 1,
The method of claim 1,
Determining whether to store the distorted view;
Assigning a unique ID to the distorted view if it is determined to store the distorted view in the determining process;
And storing a view to which the unique ID is assigned. The method according to claim 1,
The process of setting the distortion includes:
The method comprising: constructing adjustment pointers capable of adjusting distortion of a user's touch on a screen of the view;
And adjusting the view by operating the adjustment pointers with the touch of the user. 5. The method of claim 4,
Wherein the adjustment pointers are configured at respective vertices of a screen of the view. 5. The method of claim 4,
Wherein the adjustment pointers are configured at respective vertices of the view screen and at the center of each segment connecting the vertices. 5. The method of claim 4,
Wherein the adjustment pointer is distorted by using at least one of manipulating two opposing adjustment points at the same time to distort or manipulating one of the adjustment pointers. The method according to claim 1,
The process of setting the distortion includes:
A step of inputting an angle;
And performing a correction of one of the original screen and the view screen by applying a distortion value corresponding to the input angle according to the distortion table. 9. The method of claim 8,
Prior to entering the angle,
Further comprising the step of specifying an upper portion and a lower portion of the terminal screen, respectively. 9. The method of claim 8,
Wherein the distortion table includes information on a movement distance of the terminal and a curvature of the terminal screen. 9. The method of claim 8,
Wherein the original screen in the step of inputting the angle is input with an angle corresponding to an angle formed by the installation surface on which the terminal is installed and the projection surface on which the screen of the terminal disposed on the installation surface is projected, A method of adjusting a screen in a computer. 9. The method of claim 8,
Wherein the angle in the input of the angle is an angle corresponding to an error between the view and the projected projection screen. The method according to claim 1,
In the process of setting the distortion on the original screen and applying it,
Placing the terminal on a mounting surface;
Placing the terminal on a projection surface;
Calculating a change angle and a movement distance in the process of being disposed on the projection surface from the installation surface;
And performing a correction on the original screen according to the calculated distortion angle table corresponding to the variation angle and the moving distance. The method according to claim 1,
The process of setting the distortion includes:
Displaying one of an original screen and a view screen;
Capturing an image of the original screen and a screen projected on a projection surface of the view screen to obtain a projected image;
Calculating a moving distance and a changing angle from the projected image using a conversion table;
And performing correction for the original picture or view according to the calculated distortion and distortion table corresponding to the calculated change angle and movement distance. 15. The method of claim 14,
Wherein the step of displaying one of the original screen and the view screen displays a test screen corresponding to one of the original screen and the view screen. 16. The method of claim 15,
The test screen
Wherein a symbol separated from the terminal screen is displayed at each vertex of a rectangle in the form of a view screen or an original screen. 9. The method of claim 8,
After the process of performing the correction of one of the original screen and the view screen,
Constructing a plurality of adjustment pointers capable of adjusting distortion by touching the hand on the view screen;
And adjusting the original screen or the view by operating the plurality of adjustment pointers. 14. The method of claim 13,
After the process of performing the correction on the original screen,
Constructing a plurality of adjustment pointers capable of adjusting the distortion of the original screen with a touch of a hand;
And adjusting the original screen or the view by operating the plurality of adjustment pointers. 18. The method of claim 17,
After the process of performing the correction on the original screen or the view,
Constructing a plurality of adjustment pointers capable of adjusting the distortion of the original screen or the view screen by touching the hand;
And adjusting the original screen or the view screen by operating the plurality of adjustment pointers. A touch screen unit for displaying a view of a distorted state of an original screen of the terminal and adjusting a degree of distortion through a touch on a screen for setting a distortion;
A storage unit for storing a distortion table corresponding to an angle and a moving distance and storing a conversion table for converting a degree of distortion of a picture taken by the camera unit into a variation angle and a moving distance of the distortion table;
A sensor unit for sensing a changed angle and a moving distance of the terminal;
And a controller for performing distortion on the touch screen sub-screen by referring to the distortion table, the change angle input from the user or the movement distance and the change angle inputted through the sensor unit, . 21. The method of claim 20,
Further comprising a camera unit for obtaining an original image projected by the control unit or an image of a projected view screen,
The control unit converts the projection distance and the angle of change from the projection image taken from the camera unit into the movement distance and the change angle through the conversion table, and performs distortion on the touch screen sub-screen by referring to the distortion distance table And a display unit for displaying the image on the display unit.

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