JP5303592B2 - Image processing apparatus, image processing method, and image processing program - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To achieve realistic reproduction of an image to be displayed in a display area where luminous bodies are arranged in a matrix state. <P>SOLUTION: A model arrangement part 231 arranges a three-dimensional model of a scoreboard, which has an electronic bulletin board area, in a virtual three-dimensional space. An image texture storage part 242 stores a texture that simulates an image to be displayed on an electronic bulletin board. A filter storage part 243 stores a filter that has a non-lighting area and a lighting area. The non-lighting area is an area for displaying an image texture in a non-permeable manner for simulating a clearance portion of LEDs arranged in a matrix state in the electronic bulletin board. The lighting area is an area for displaying the image texture in a permeable manner for simulating each luminous body. A projection part 233 places the filter on the image texture, pastes them in the electronic bulletin board area, and projects the three-dimensional model of the scoreboard to a virtual screen with setting a virtual camera as a point of view. <P>COPYRIGHT: (C)2013,JPO&amp;INPIT

Description

  The present invention relates to an image processing technique for reproducing a display body having a display area in which a plurality of light emitters are arranged in a matrix in a virtual three-dimensional space.

  Conventionally, in a sports game simulating sports such as baseball, an image simulating a scoreboard installed in the stadium is displayed on the display screen, and the name of the opponent team, the name of the participating player, and the name of each team are displayed on the scoreboard. The current score and the like are displayed, and various information is notified to the player.

  In such a sports game, the scoreboard is enlarged or reduced according to the game situation. For example, in a baseball game, when a game situation in which a batter character stands in a batter box and a pitcher character throws a ball object is reproduced, the scoreboard is displayed as a background of the pitcher character, and thus is not enlarged so much. On the other hand, when the batter character hits the back screen for a long hit or gets a score, the scoreboard is enlarged.

  Patent Document 1 discloses a display device for a baseball game in which a scoreboard image is displayed separately from a stadium image in an upper area of a display screen.

  By the way, in recent years, an actual scoreboard installed in a stadium often includes a dot matrix display in which light emitters such as LEDs are arranged in a matrix. Therefore, when the scoreboard is zoomed up in actual sports TV broadcasts, etc., characters that were displayed in solid white, for example, in white when zoomed out, are divided into meshes due to the presence of LED gaps. Is displayed.

Utility Model Registration No. 3052740

  However, in the conventional sports game, when displaying the characters on the scoreboard in an enlarged manner, no measures have been taken to display the images of the characters or the like while simulating the gaps between the LEDs. Therefore, there was a problem of lack of realism. Furthermore, there has been a problem that the outline of the character is displayed in a jagged shape because no measures have been taken to display the image of the character or the like by simulating the gap portion of the LED. Furthermore, since the entire character is displayed in a solid state in spite of being enlarged, there is a problem in that it gives the player a feeling of an artificial image at first glance. Moreover, in patent document 1, the image of a stadium is an image which represented the stadium two-dimensionally from right above, and is not performed to represent a baseball field three-dimensionally. For this reason, the scoreboard displayed separately from the baseball field ground image is not enlarged or reduced.

  An object of the present invention is to provide an image processing apparatus, an image processing method, and an image processing program capable of realistically reproducing an image displayed in a display area in which light emitters are arranged in a matrix.

(1) An image processing apparatus according to the present invention is an image processing apparatus that simulates an image displayed in a display area in which a plurality of light emitters are arranged in a matrix, and is a three-dimensional model of a display body having the display area. Are arranged in a virtual three-dimensional space, a video texture storage unit for preliminarily storing a video texture simulating the video displayed in the display area, and the video for simulating a gap portion of the light emitter. A filter for regularly forming in the display area a non-lighting area for displaying the texture in a non-transparent manner and a plurality of lighting areas for transmitting and displaying the video texture in order to simulate each light emitter is stored in advance. A filter storage unit, a virtual camera and a virtual screen are arranged in the virtual three-dimensional space, and the video texture and the filter are superimposed and pasted on the display area The includes a projection unit for projecting a three-dimensional model of the display body a virtual camera as the viewpoint in the virtual screen, the zoom ratio setting unit for setting a zoom ratio of the virtual camera, the filter storing unit, the lighting A plurality of types of filters having different area areas are stored, and the projection unit selects a filter having a larger area of the lighting area as the zoom ratio becomes higher . The image processing method and the image processing program according to the present invention have the same configuration as that of the image processing apparatus.

  According to this configuration, the video texture simulating the video displayed in the display area is pasted to the display area of the display body, and the filter is also pasted. Here, the filter includes a non-lighting region that reproduces a gap portion of a plurality of light emitters arranged in a matrix in a display region of a display body such as a dot matrix display, and a non-lighting region that simulates each light emitter. Including.

  Accordingly, when rendering is performed by pasting the video texture and the filter on the display area, a gap portion of the light emitter is formed in the video texture by the non-lighting area of the filter. On the other hand, the region of the video texture on which the lighting region of the filter is superimposed is displayed as it is.

  Therefore, the video texture can be displayed as if displayed on a dot matrix display. As a result, it is possible to realistically reproduce the video displayed in the display area where the light emitters are arranged in a matrix.

  In addition, by pasting a filter with a non-lighting area on the video texture, blurring of the outline of the character, and jagged edges of the character and diagonal parts that appeared when displaying the video texture such as text as it is It can be made inconspicuous, and the visibility of video texture such as characters can be improved.

In addition, since an actual dot matrix display has a plurality of light emitters arranged in a matrix, the area of each light emitter appears to be small when viewed from a distance, but is displayed in the display region. When the recorded image is viewed from close, the area of each light emitter appears large. In this configuration, multiple types of filters with different lighting area areas are prepared in advance, and when the zoom ratio is set high, a filter with a large lighting area area is selected and the zoom ratio is set low. A filter having a small area of the lighting region is selected. Therefore, it is possible to realistically reproduce the video displayed in the display area of the actual dot matrix display.

( 2 ) The video texture is composed of R (red), G (green), and B (blue) color components, and the filter storage unit includes a high zoom rate filter selected when the zoom rate is high, And a low zoom rate filter other than the high zoom rate filter, wherein the high zoom rate filter allows each lighting region to transmit only one color component of R, G, and B of the video texture. It is preferable that the low zoom ratio filter is set so that each lighting region transmits the R, G, and B color components of the video texture evenly.

  In a dot matrix display capable of actual color display, for example, R (red), G (G), and B (blue) light emitters are arranged according to a predetermined arrangement pattern such as a Bayer arrangement. Therefore, when approaching the display area to some extent, the image displayed in the display area appears to be separated into the color of the light emitter itself, that is, any one of R, G, and B.

  In this configuration, a high zoom ratio filter that is selected when the zoom ratio is high and a low zoom ratio filter that is selected when the zoom ratio is low are prepared in advance. The high zoom ratio filter is set so that the lighting region transmits only one of R, G, and B color components. For this reason, when the zoom ratio is high and the display area is displayed in an enlarged manner, the video texture is displayed after being separated into R, G, and B color components.

  On the other hand, the low zoom ratio filter is set so that the lighting region transmits the R, G, B color components evenly. For this reason, when the zoom ratio is low and the display area is not enlarged, the area of the video texture on which the lighting area is superimposed is displayed as it is. Therefore, according to the present configuration, it is possible to reproduce that the display mode of the image displayed on the actual dot matrix display is decomposed into R, G, and B according to the zoom rate, or is displayed as it is. Can do.

( 3 ) The filter storage unit hierarchically stores a plurality of types of filters whose overall area decreases by 1 / n (n is an integer of 2 or more) toward the lower layer, and the projection unit includes the display The filter is repeatedly pasted to the area, and the filter is divided into a filter in which the area of each lighting area is reduced to 1 / n with respect to a filter in the upper layer and a filter in the upper layer. On the other hand, it is preferable to include a filter in which the area of each lighting region is set to be the same.

  According to this configuration, the filters are hierarchically stored so that the entire area is reduced by 1 / n with respect to the filter one level above, and the area of the lighting region is smaller than that of the filter one level above. There is a filter reduced to 1 / n and a filter in which the area of the lighting region is set to be the same as that of the filter in the upper layer.

  In this way, even if the hierarchy is lowered by one, by providing a filter that makes the area of the lighting region the same, it is possible to make the player more strongly aware that the video texture is displayed separated by the filter. it can.

  For example, in a scene where the zoom rate is gradually reduced, when the layer is switched to the next lower filter, if the area of the lighting area is reduced in proportion to the reduction of the display area, the player's subconscious mind Since the lighting area is reduced, it may be difficult for the player to clearly recognize that the video texture is divided by the non-lighting area.

  Therefore, even if the filter is switched to the next lower layer filter, by adopting a configuration that does not change the area of the lighting area, the area of the lighting area can be changed against the player's subconsciousness. The player can clearly notice that the video texture is divided by the non-lighting area.

( 4 ) It is preferable that the display area includes a plurality of polygons, and the projection unit selects the filter based on an area of the polygon when the display area is projected onto the virtual screen.

  According to this configuration, the filter is selected based on the area of one polygon when the light emitter is projected onto the virtual screen. Therefore, it is possible to select a filter having a lighting area having a preferable area for reproducing one dot of an actual dot matrix display. Therefore, it is possible to realistically reproduce the video displayed by the dot matrix display in the virtual three-dimensional space.

( 5 ) It is preferable that the lighting region is set to be circular in the filter of the hierarchy above the predetermined hierarchy, and the lighting area is square in the filter of the hierarchy below the predetermined hierarchy.

  In an actual dot matrix display, each dot looks circular when viewed from close, but it may appear square when viewed from a distance. According to this configuration, since the lighting area of the filter of the hierarchy higher than the predetermined hierarchy is a circle, and the filter of the hierarchy lower than the predetermined hierarchy is the square of the lighting area, the lighting area having an appropriate shape is selected according to the zoom rate. You can select the filter you have.

( 6 ) The display body is preferably a scoreboard.

  According to this configuration, since the scoreboard can be reproduced realistically, it is possible to provide image processing suitable for a sports game such as a baseball game that needs to display the scoreboard.

  According to the present invention, the video texture simulating the video displayed in the display area is pasted to the display area of the display body, and the filter is also pasted. Here, the filter includes a non-lighting region that reproduces a gap portion of a plurality of light emitters arranged in a matrix in a display region of a display body such as a dot matrix display, and a non-lighting region that simulates each light emitter. Including.

  Accordingly, when rendering is performed by pasting the video texture and the filter on the display area, a gap portion of the light emitter is formed in the video texture by the non-lighting area of the filter. On the other hand, the area of the video texture on which the lighting area of the filter is superimposed is displayed as it is.

  Therefore, the video texture can be displayed as if displayed on a dot matrix display. As a result, it is possible to realistically reproduce the video displayed in the display area where the light emitters are arranged in a matrix.

  In addition, by pasting a filter with a non-lighting area on the video texture, blurring of the outline of the character, and jagged edges of the character and diagonal parts that appeared when displaying the video texture such as text as it is It can be made inconspicuous, and the visibility of video texture such as characters can be improved.

It is a block diagram which shows the structure of the game device to which the image processing apparatus by one embodiment of this invention was applied. 1 is a functional block diagram of a game device to which an image processing device according to an embodiment of the present invention is applied. It is a flowchart which shows operation | movement of the game device at the time of applying the image processing device by this Embodiment to a game device. It is a schematic diagram which shows an example of the filter by embodiment of this invention. It is a schematic diagram which shows an example of the filter by embodiment of this invention. It is a schematic diagram which shows an example of the filter by embodiment of this invention. It is the figure which showed an example of a video texture, (A) shows the video texture before a filter is superimposed, (B) has shown the video texture after a filter is superimposed. It is the schematic diagram which showed the virtual screen set to the virtual three-dimensional space. It is the figure which showed an example of the three-dimensional model of a baseball field.

  Hereinafter, a case where an image processing device according to an embodiment of the present invention is applied to a game device will be described with reference to the drawings. FIG. 1 is a block diagram showing a configuration of a game device to which an image processing device according to an embodiment of the present invention is applied. In the following description, it is assumed that the game device is configured by connecting a home video game machine to a home television. However, this is only an example, and the present invention can be similarly applied to a portable game device or a mobile phone with an integrated monitor, or a personal computer that functions as a game device by executing a game control program. . The game control program includes the image processing program according to the embodiment of the present invention, and uses the drawing function of the image processing program to cause the computer to function as a game device.

  The game device shown in FIG. 1 includes a consumer game machine 1000 and a television 2000. The home-use game machine 1000 is loaded with a computer-readable recording medium MD on which a game control program is recorded, and the game control program is appropriately read to execute the game.

  A consumer game machine 1000 includes a CPU (Central Processing Unit) 1, a bus line 2, a graphics data generation processor 3, an interface circuit (I / F) 4, a main memory 5, a ROM (Read Only Memory) 6, and an expansion circuit 7. , Parallel port 8, serial port 9, drawing processor 10, audio processor 11, decoder 12, interface circuit (I / F) 13, buffers 14 to 16, recording medium drive 17, memory 18, and controller 19. The television 2000 includes a television monitor 21, an amplifier circuit 22, and a speaker 23.

  The CPU 1 governs overall control of the game apparatus according to a game control program stored in the recording medium MD and an operating system stored in the ROM 6. Specifically, the CPU 1 sets a game space that is a virtual three-dimensional space, and in the set game space, a virtual light source, a virtual camera, a three-dimensional model of a character, a three-dimensional model of an object serving as a character background, and the like Place. Here, the CPU 1 secures an area for storing position data such as coordinate axes defining a game space, a virtual light source, a virtual camera, a character, and an object in the main memory 5 and the like, and position data such as an object in the secured area. And places a character or the like in the game space.

  Further, the CPU 1 obtains movement amount data and rotation amount data for operating the character in accordance with an operation command input by the player using the controller 19.

  The graphics data generation processor 3 is a coprocessor of the CPU 1, and obtains position data after movement of the character based on the movement amount data and the rotation amount data calculated by the CPU 1 and returns it to the CPU 1.

  The interface circuit 4 is a circuit for connecting a peripheral device, for example, a pointing device such as a mouse or a trackball. The main memory 5 is composed of a RAM (Random Access Memory). The ROM 6 stores the operating system of the game device.

  The decompression circuit 7 performs decompression processing on an image compressed in accordance with MPEG (Moving Picture Experts Group) standard or JPEG (Joint Photographic Experts Group) standard. The parallel port 8 and the serial port 9 are used for connecting various peripheral devices.

  In accordance with a drawing command from the CPU 1, the drawing processor 10 renders characters and objects set in the game space by the CPU 1 at a predetermined frame rate to generate two-dimensional image data. The generated image data is output to the television monitor 21. The buffer 14 is used as a work memory for the drawing processor 10.

  The audio processor 11 stores audio data such as ADPCM (Adaptive Differential Pulse Code Modulation) data read from the recording medium MD in the buffer 15, and the audio data stored in the buffer 15 in accordance with an audio output command from the CPU 1. Output from the speaker 23. The buffer 15 is used as a work memory for the audio processor 11.

  The recording medium drive 17 includes, for example, a DVD-ROM drive, a CD-ROM drive, a hard disk drive, an optical disk drive, a flexible disk drive, a silicon disk drive, a cassette medium reader, and the like. The recording medium MD is composed of a DVD-ROM, CD-ROM, hard disk, optical disk, flexible disk, semiconductor memory, or the like, and stores a game control program including an image processing program according to the embodiment of the present invention. The game control program includes program data, image data for drawing characters and objects, sound data for reproducing game sound effects, and the like.

  The recording medium drive 17 reads image data, audio data, and program data from the recording medium MD, and supplies the read data to the decoder 12. The decoder 12 performs error correction processing by ECC (Error Correction Code) on the image data, audio data, and program data supplied from the recording medium drive 17, and supplies them to the main memory 5 or the audio processor 11.

  The memory 18 is constituted by, for example, a card type memory. For example, when a game is interrupted, the card type memory holds the state at the time of interruption. The interface circuit 13 is used for connecting the memory 18.

  The controller 19 is an operation device that is used by a player who is an operator to input various operation commands, and sends a signal corresponding to the operation command of the player to the CPU 1. Specifically, the controller 19 provides a pair of left and right joysticks and various buttons. The user inputs an operation command by tilting the joystick or pressing a button. The amplifier circuit 22 amplifies the sound data output from the sound processor and supplies the amplified sound data to the speaker 23.

  FIG. 2 is a functional block diagram of a game device to which the image processing device according to the embodiment of the present invention is applied. This image processing apparatus places a three-dimensional model of a baseball field and three-dimensional models of various characters in a virtual three-dimensional space, and projects them on a virtual screen to generate two-dimensional projection image data. As shown in FIG. 2, the image processing apparatus includes a display unit 210, an operation unit 220, a control unit 230, and a storage unit 240. The operation unit 220 includes the controller 19 shown in FIG. 1 and accepts various operation commands input by the player.

  The display unit 210 includes the television monitor 21 shown in FIG. The control unit 230 includes the CPU 1, the graphics data generation processor 3, the drawing processor 10, and the like illustrated in FIG. 1. The model arrangement unit 231, the character control unit 232, the projection unit 233, the zoom rate setting unit 234, and the game progress A control unit 235 is provided. These functions are realized by the CPU 1 shown in FIG. 1 executing the image processing program according to the embodiment of the present invention.

  The model arrangement unit 231 reads out various three-dimensional models stored in the three-dimensional model storage unit 241 and arranges them at predetermined positions in the virtual three-dimensional space. In the following description, a case where a game device causes a baseball game to be executed will be described as an example. Therefore, in this embodiment, for example, a baseball field, a human character, or the like is employed as the three-dimensional model. Here, the three-dimensional model of the baseball field employs a three-dimensional model including a scoreboard (an example of a display body) having an electric bulletin board area that is a display area in which a plurality of light emitters are arranged in a matrix.

  In an actual baseball stadium electronic bulletin board, for example, R (red), G (G), and B (blue) LEDs (light emitting diodes: examples of light emitters) are arranged according to a predetermined arrangement pattern such as a Bayer arrangement. . Therefore, when, for example, a white image displayed on the electronic bulletin board is viewed from a distance, the image appears to be displayed in solid white. However, when approaching the electronic bulletin board to some extent, the image appears white but is divided into meshes due to the influence of the gaps between the LEDs arranged in a matrix. Further, when approaching the electronic bulletin board, the image is no longer white, but appears to be decomposed into the color of the LED itself, that is, one of R, G, and B colors.

  As described above, the present embodiment aims to reproduce in the virtual three-dimensional space that the appearance of the electronic bulletin board differs depending on the zoom rate with respect to the electronic bulletin board.

  In addition, the three-dimensional model of the baseball field includes a three-dimensional model simulating a ground where baseball is played, a spectator seat, a bench on which a player waits, and the like. In the present embodiment, the three-dimensional model of the baseball field is configured by a polygon model using a plurality of polygons such as a triangle and a quadrangle. A texture corresponding to the part of the baseball field is pasted on the surface of each polygon by texture mapping.

  Accordingly, the three-dimensional model storage unit 241 stores, for example, coordinate data indicating the coordinates of the vertices of each polygon and a texture to be attached to each polygon as a three-dimensional model of the baseball field. Note that the texture pasted on the electric bulletin board area is provided as a video texture and stored in the video texture storage unit 242.

  For example, a pitcher character, a batter character, a defensive character, and a referee character simulating a baseball player can be used as the person character. As a 3D model of a human character, a 3D model composed of a skeleton in which bones representing the skeleton of the character's head, hands, both legs, torso, etc., are connected by nodes indicating joints, and a skin covering the surface of the skeleton. Can be adopted. The outer skin is composed of a plurality of polygons, and a texture is attached to each polygon.

  The character control unit 232 moves the human character and the ball object in the virtual three-dimensional space based on a command from the game progress control unit 235. For example, if the player is the defense side and the game device is the attack side, first, when the player inputs a pitching instruction to the operation unit 220, the game progress control unit 235 notifies the character control unit 232 of this. Upon receiving this notification, the character control unit 232 causes the pitcher character to perform a ball object throwing action and moves the ball object toward the batter character. When the character control unit 232 receives notification from the game progress control unit 235 to hit the batter character, the character control unit 232 causes the batter character to swing the bat object. Then, the character control unit 232 moves the ball object according to the trajectory of the ball object notified from the game progress control unit 235.

  On the other hand, when the player is the attacking side and the game device is the defensive side, when the player inputs a batting instruction to the operation unit 220, the game progress control unit 235 performs the batting determination process and determines that the player has hit the ball object. And the character control unit 232 is notified of the swing command and the ball object's trajectory. Receiving this notification, the character control unit 232 causes the batter character to perform an action of swinging the bat object, and moves the ball object according to the notified trajectory.

  The projection unit 233 arranges a virtual camera and a virtual screen in a virtual three-dimensional space, superimposes a video texture and a filter and pastes them on an electric bulletin board area, and uses the virtual camera as a viewpoint in a virtual three-dimensional space such as a scoreboard. The arranged 3D model is projected onto a virtual screen.

  Here, the video texture is a texture simulating the video displayed in the electric bulletin board area. This video texture is composed of R (red), G (green), and B (blue) color components. That is, in this video texture, each pixel is represented by three color components of R, G, and B. Here, the values of the R, G, and B color components of each pixel are represented by a predetermined gradation (for example, 1024). Further, since the electric bulletin board area is composed of a predetermined number (for example, 50 to 500) of polygons, there are a predetermined number of video textures corresponding to each polygon.

  FIG. 9 is a diagram showing an example of a three-dimensional model of a baseball field. As shown in FIG. 9, the three-dimensional model of the baseball field includes a score board 900. The score board 900 includes a plurality of electronic bulletin board areas 911 to 915. Hereinafter, when the electronic bulletin board areas 911 to 915 are not distinguished, they are represented as an electronic bulletin board area 910.

  In the electronic bulletin board area 911, for example, the name of the first team is displayed. In the electric bulletin board area 912, for example, the name of the team of the late attack is displayed. In the electronic bulletin board area 913, for example, the names of the players of the first team are displayed in the order of the first to ninth hits. In the electronic bulletin board area 914, for example, the names of the players of the following teams are displayed in the order of the first to ninth hits. In the electric bulletin board area 915, the scores of the two teams currently playing are displayed.

  Here, each electric bulletin board area 910 is composed of a predetermined number of polygons. In FIG. 9, characters “XX” are displayed in the electronic bulletin board area 911. In this case, the projection unit 233 pastes a video texture for displaying the characters “XX” in the electric bulletin board area 911 to the electric bulletin board area 911. As a result, the characters “XX” are displayed in the electronic bulletin board area 911.

  It is also possible to display an image other than characters in the electric bulletin board area 910. For example, when displaying an image on the electric bulletin board area 915, the projection unit 233 reads an image texture created in advance to display an image to be displayed on the electric bulletin board area 915 from the image texture storage unit 242, and reads the read video texture. Is pasted to the electric bulletin board area 915. As a result, an image is displayed on the electric bulletin board area 915.

  Furthermore, an animation can be displayed on the electric bulletin board area 910. For example, when displaying an animation on the electronic bulletin board area 915, a texture representing a frame image of the animation displayed is stored in the video texture storage unit 242. Then, the projection unit 233 periodically switches and pastes the video texture representing the frame image to the electric bulletin board area 915. As a result, the video is displayed in animation on the electric bulletin board area 915.

  Then, the projection unit 233 further pastes a filter on the video texture pasted on the electric bulletin board area 910. Here, the filter includes a non-lighting area and a lighting area, and regularly forms a lighting area and a non-lighting area with respect to the electric bulletin board area 910. The non-lighting area is an area in which the video texture is displayed in a non-transparent manner in order to simulate a gap portion between the LEDs arranged in a matrix on an actual electronic bulletin board. In addition, the lighting area is an area in which a video texture is transmitted and displayed in order to simulate each light emitter.

  4 to 6 are schematic views showing an example of the filter according to the embodiment of the present invention. The filter storage unit 243 stores eight filters FL1 to FL8 shown in FIGS.

  Here, the filters FL1 to FL8 are hierarchically stored such that the filter FL1 is the highest first layer, the filter FL2 is the second next layer,..., And the filter FL8 is the lowest eighth layer. ing.

  In the present embodiment, as the filters LF1 to FL8, the higher-level filter is selected as the zoom ratio set by the zoom ratio setting unit 234 increases. The filter FL8 is a filter that is selected when the zoom ratio set by the zoom ratio setting unit 234 is the lowest, and there is no non-lighting area 42 and only the lighting area 41 exists. Hereinafter, when the filters FL1 to FL8 are not particularly distinguished, they are referred to as filters FL.

  As shown in FIGS. 4 to 6, the filter FL is rectangular data composed of a plurality of pixels arranged in a matrix of predetermined rows × predetermined columns. The filter FL is composed of lighting areas 41 arranged in a matrix and a non-lighting area 42 surrounding the periphery.

  Here, the transmittance of each of the R, G, and B color components is defined for each pixel constituting the filters FL1 to FL8. The transmittance has a value of, for example, 0 to 100%, and the transparency increases as the value increases.

  In the present embodiment, the areas of the filters FL2 to FL8 are set to 1/4 with respect to the filter of the next higher hierarchy. That is, as the layers of the filters FL1, FL2,..., FL8 move downward, the areas of the filters FL1 to FL8 are decreased by 1/4 (the length of one side is 1/2).

  In the filter FL1, the lighting region 41 includes a lighting region 41R that transmits the R color component of the video texture, a lighting region 41G that transmits the G color component of the video texture, and a lighting that transmits the B color component of the video texture. The area 41B is classified.

  In each pixel constituting the lighting region 41R, the R transmittance is set to any value of 1 to 100%, and the B and G transmittances are set to 0%. Therefore, in the region where the lighting region 41R is superimposed in the video texture, the R color component is transmitted, but the G and B color components are not transmitted, and therefore only the R color component is displayed.

  In each pixel constituting the lighting region 41G, the G transmittance is set to any value of 1 to 100%, and the R and B transmittances are set to 0%. Therefore, in the area where the lighting area 41G is superimposed in the video texture, the G color component is transmitted, but the R and B color components are not transmitted, and therefore only the G color component is displayed.

  In each pixel constituting the lighting region 41B, the transmittance of B is set to any value of 1 to 100%, and the transmittances of R and G are set to 0%. For this reason, in the region where the lighting region 41B is superimposed in the video texture, the B color component is transmitted, but the R and G color components are not transmitted, so only the B color component is displayed.

  In addition, the R, G, and B transmittances of all the pixels constituting the non-lighting region 42 are set to 0%. Therefore, the area where the non-lighting area 42 is superimposed in the video texture is displayed in black.

  For example, it is assumed that the R, G, and B values of a pixel having a video texture are (1000, 1000, 1000). If a lighting area 41R with a transmittance of 100% is superimposed on this pixel, the R, G, B values of this pixel will be (1000, 0, 0). Further, if a lighting region 41G having a transmittance of 100% is superimposed on this pixel, the R, G, B values of this pixel are (0, 1000, 0). Further, if a lighting area 41B having a transmittance of 100% is superimposed on this pixel, the R, G, B values of this pixel are (0, 0, 1000). If the non-lighting area 42 is superimposed on this pixel, the R, G, B values of this pixel are (0, 0, 0).

  As shown in FIG. 4, the filter FL1 is turned on in the lighting region 41R in the first row and first column, the lighting region 41G in the first row and second column, the lighting region 41B in the second row and first column, and the second row and second column. The light emitter blocks 43 in which the regions 41R are arranged are used as one unit, and the light emitter blocks 43 are arranged in predetermined rows × predetermined columns (8 × 8 columns in the example of FIG. 4). That is, it can be seen that the filter FL1 simulates the arrangement pattern of the R, G, and B LEDs constituting the actual electronic bulletin board.

  Therefore, when the filter FL1 is superimposed on the video texture, the video texture is divided by the non-lighting area 42, and each divided area is displayed by being decomposed into one of R, G, and B color components. Will be. As a result, when the electronic bulletin board is viewed close up, it is possible to simulate that the video is separated into R, G, and B color components and displayed.

  Here, the filters FL1 to FL8 include a high zoom rate filter selected when the zoom rate is high and a low zoom rate filter other than the high zoom rate filter. 4 to 6, the filter FL1 shown in FIG. 4 and the filter FL2 shown in FIG. 5 correspond to the high zoom ratio filter, respectively, and the filter FL3 shown in FIG. 5 and the filters FL4 to FL8 shown in FIG. Corresponds to rate filter.

  Here, in the high zoom ratio filter, as indicated by the filters FL1 and FL2, the lighting area 41 corresponds to one of the lighting areas 41R, 41G, and 41B. Therefore, when the high zoom ratio filter is superimposed on the video texture, the video texture is displayed after being decomposed into one of R, G, and B color components.

  On the other hand, in the low zoom rate filter, as shown by the filters FL3 to FL7 in FIG. 6, the transmittance of the R, G, B color components is set to 100% for each pixel constituting the lighting region 41, and the non-lighting region Each pixel constituting the pixel 42 is set such that the transmittance of the R, G, B color components is 0%.

  Therefore, when the low zoom ratio filter is superimposed on the video texture, the video texture is transmitted as it is in the region where the lighting region 41 is superimposed, and the region where the non-lighting region 42 is superimposed is displayed in black. For example, if the video texture is white characters, the character region divided by black by the non-lighting region 42 and superimposed with the lighting region 41 is displayed in white.

  FIG. 7 is a diagram illustrating an example of a video texture. (A) illustrates a video texture before the filter FL is superimposed, and (B) illustrates a video texture after the filter FL is superimposed. .

  In the example of FIG. 7, “rough” characters are employed as the video texture. As shown in FIG. 7A, when the filter FL is not superimposed, the character “rough” is displayed with a blurred outline, and the jaggedness is conspicuous in the diagonally directed part or the corner part. You can see that it appears.

  On the other hand, as shown in FIG. 7B, when the filter FL is superimposed, the characters “rough” are displayed in a mesh-like manner by the filter FL. For this reason, the characters “rough” are displayed as if they were displayed on an electronic bulletin board. As an accompanying effect, it can be seen that the blurring of the outline and the jaggedness of corners and diagonal parts are not noticeable, and the visibility of the “rough” character is improved. In this way, by superimposing the filter FL, not only the video displayed on the electronic bulletin board area 910 can be reproduced realistically, but also blurring and jaggedness can be made inconspicuous.

  Further, the filter FL8 includes only the lighting region 41 in which the transmittances of the R, G, and B color components are set to 100%. Therefore, when the filter FL8 is superimposed on the video texture, the filtered video is displayed as it is without being divided by the non-lighting area 42.

  Further, in the filters FL1 to FL4, the non-lighting area 42 divides the lighting area 41 in a mesh shape, but in the filters FL5 to FL7, the lighting area 41 and the non-lighting area 42 are arranged in a checkered pattern. Further, the lighting region 41 is circular in the filter FL1, but the lighting region 41 is square in the filters FL2 to FL7.

  Next, the relationship between the filters FL1 to FL8 will be described. The entire area of the filter FL2 is set to 1/4 with respect to the filter FL1, and the area of the lighting region 41 is also set to 1/4. That is, the filter FL2 has a size obtained by reducing the filter FL1 to an area of 1/4. However, in the example of FIG. 5, the filter FL2 is not provided with the non-lighting area 42 in the light emitter block 43, and the four lighting areas 41R, 41G, 41B, 41R in the light emitter block 43 are adjacent to each other. ing. Further, in the filters FL1 and FL2, the lighting region 41 is set to have a higher transmittance toward the center.

  Specifically, in the filters FL1 and FL2 shown in FIGS. 4 and 5, the lighting regions 41R, 41G, and 41B have a central region where the transmittance is set to 100% and the transmittance is set to 75%, for example. The peripheral area adjacent to the central area and the peripheral area adjacent to the central area where the transmittance is set to 50%, for example, are set, and the transparency is set to 3 gradations. As a result, it is possible to realistically reproduce the lighting state of an actual LED that emits light with higher luminance toward the center and emits light with lower luminance toward the periphery.

  In the filter FL3, the overall area and the area of the lighting region 41 are both set to 1/4 with respect to the filter FL2, but the transparency of the lighting region 41 is set to 100% for the R, G, and B color components, respectively. ing. As a result, when the filter FL3 is superimposed on the video texture, the R, G, B color components are transmitted as they are in the video texture region on which the lighting region 41 is superimposed. For example, consider a case where the video texture is white characters. In this case, when the filters FL1 and FL2 are superimposed on the white characters, the white characters are displayed after being separated into R, G, and B color components. However, when the filter FL3 is superimposed on the white character, the region where the lighting region 41 is superimposed is displayed in white.

  Therefore, when the zoom rate is gradually increased and the filter FL3 is switched to the filter FL2, the characters displayed in white are separated into R, G, and B color components and displayed. Therefore, it is possible to give the player the feeling of looking at an actual electronic bulletin board.

  Further, the entire area of the filter FL4 is set to 1/4 with respect to the filter FL3, but the area of the lighting region 41 is set to be the same. In this way, even if the level is lowered by one, by making the area of the lighting region 41 the same, it is possible to make the player more strongly aware that the video texture is displayed separated by the filter FL. .

  For example, in a scene where the zoom rate is gradually reduced, when the filter FL3 is switched to the filter FL4, if the area of the lighting area 41 is reduced in proportion to the reduction of the video texture, the lighting area is in accordance with the player's subconsciousness. Since 41 is reduced, it may be difficult for the player to clearly recognize that the video texture is divided by the non-lighting area 42.

  Therefore, even if the filter FL3 is switched to the filter FL4, by adopting a configuration that does not intentionally change the area of the lighting region 41, the area of the lighting region 41 can be changed against the player's subconscious, The player can clearly notice that the area 41 is divided by the non-lighting area 42.

  In the filter FL5, the overall area and the area of the lighting region 41 are both ¼ that of the filter FL4, but the arrangement of the lighting region 41 and the non-lighting region 42 is changed from a mesh shape to a checkered pattern. Yes.

  The overall area of the filter FL6 is set to 1/4 with respect to the filter FL5, but the area of the lighting region 41 is set to be the same. Therefore, similarly to the relationship between the filter FL3 and the filter FL4, the player can clearly notice that the lighting area 41 is divided by the non-lighting area 42.

  The overall area of the filter FL7 is set to 1/4 with respect to the filter FL6, but the area of the lighting region 41 is set to be the same. Therefore, the player can clearly recognize that the lighting area 41 is divided by the non-lighting area 42.

  Returning to FIG. 2, the projection unit 233 sets a virtual screen in the virtual three-dimensional space according to the zoom rate set by the zoom rate setting unit 234, projects the electronic bulletin board area 910 on the virtual screen, and projects the electronic bulletin board thus projected. An appropriate filter FL is selected from the filters FL1 to FL8 in accordance with the area of a single polygon constituting the region 910.

  When a texture having a fine structure is pasted on a polygon and a three-dimensional model is projected onto a virtual screen, if the viewpoint is set close, an alias does not occur even if the texture is used as it is. However, if the viewpoint is set far away, the area of the polygon projected on the virtual screen becomes small. If the texture is used as it is, the fine structure of the texture cannot be reproduced and an alias occurs. Therefore, the projection unit 233 selects an appropriate filter FL according to the area of one polygon as described above.

  Specifically, the projection unit 233 obtains a representative value of the area of a certain polygon constituting the electronic bulletin board area 910 when the electronic bulletin board area 910 is projected onto the virtual screen. Here, as the representative value of the area of the polygon, for example, the area of a single polygon constituting the electronic bulletin board area 910 may be adopted, or the average value of the areas of a plurality of polygons may be adopted. The average value of the areas of all the polygons constituting the electronic bulletin board area 910 may be adopted. Then, the projection unit 233 determines which of the first to eighth classes the representative value of the calculated polygon area belongs. Here, the first to eighth classes are for dividing the area of one polygon projected on the virtual screen into eight classes, and the filters FL1 to FL8 are associated with each other in advance. Therefore, the projection unit 233 selects the filter FL1 if the calculated representative area of the polygon belongs to the first class, and selects the filter FL2 if it belongs to the second class. The filter FL is appropriately selected.

  Here, the filters FL1 to FL8 are arranged so that the area of one lighting area 41 when the filter FL is pasted on a polygon and projected onto a virtual screen is a preferable area for reproducing one dot of the electric bulletin board area 910. And the first to eighth classes are associated with each other. Therefore, even if the zoom rate changes, the video texture can be displayed as if displayed on the electric bulletin board area 910, and the video displayed on the electric bulletin board area 910 can be realistically reproduced in the virtual three-dimensional space. Is possible.

  Note that the number of filters and video textures attached to one polygon is constant (for example, one or two) regardless of the zoom rate. Further, the number of polygons constituting the electronic bulletin board area 910 is constant (for example, 500) regardless of the zoom rate. Therefore, the number of filters FL and video textures pasted on the entire area of the electric bulletin board area 910 is constant regardless of the zoom rate. Similarly to the video texture, the filter FL is pasted on the polygon so as to match the shape of the polygon by texture mapping.

  FIG. 8 is a schematic diagram showing a virtual screen set in the virtual three-dimensional space. As shown in FIG. 8, in the virtual three-dimensional space, each position is defined by three coordinate axes of X, Y, and Z that are orthogonal to each other. In the three-dimensional model such as the scoreboard 900 used in this embodiment, the coordinates of each vertex of each polygon are defined by these three coordinate axes. A virtual light source (not shown) is set in this virtual three-dimensional space.

  The horizontal plane 83 is a ground of the baseball stadium, is parallel to the XY plane, and is set to Z = 0. The virtual camera 84 has a line of sight 85 corresponding to the optical axis of the actual camera. In the present embodiment, the virtual camera 84 is arranged so that the line of sight 85 faces the score board 900. That is, the line of sight 85 is set in a direction in which the scoreboard 900 is desired from the catcher base. The line of sight 85 passes through the center 86 of the virtual screen 81. The virtual screen 81 corresponds to the display area of the display unit 210 and has a rectangular shape. Further, on the virtual screen 81, a plurality of pixels are arranged in a matrix in a predetermined row × predetermined column so as to correspond to each pixel of the display unit 210.

  The projection unit 233 pastes a texture such as a video texture on each three-dimensional model including the scoreboard 900 and the like, and pastes a filter FL on the video texture. The projection unit 233 performs perspective projection conversion of each three-dimensional model on the virtual screen 81 by sequentially obtaining R, G, and B values of each pixel of the virtual screen 81 with the virtual camera 84 as a viewpoint. Dimensional projection image data is generated. Thereby, a three-dimensional model is rendered.

  The projection unit 233 repeatedly executes this process at a predetermined frame rate to sequentially generate projection image data, and sequentially writes the projection image data in the drawing RAM of the display unit 210. As a result, the video of the virtual three-dimensional space indicated by the projection image data is displayed on the display unit 210 as an animation.

  Here, the projection unit 233 increases the distance between the virtual screen 81 and the virtual camera 84 as the zoom rate is increased by the zoom rate setting unit 234. Accordingly, when the zoom rate increases, the virtual screen 81 is shifted from the position 81a to the position 81b along the line of sight 85 toward the scoreboard 900, and the scoreboard 900 is enlarged and displayed.

  On the other hand, the projection unit 233 reduces the distance between the virtual screen 81 and the virtual camera 84 when the zoom rate is reduced by the zoom rate setting unit 234. Accordingly, the virtual screen 81 is shifted from the position 81b to the position 81a toward the home base along the line of sight 85, and the scoreboard 900 is reduced and displayed.

  In the example of FIG. 8, the area of the virtual screen 81 is set to be the same regardless of the zoom rate. Accordingly, the horizontal angle of view θ and the vertical angle of view θ ′ of the virtual screen 81 are set smaller as the distance between the virtual camera 84 and the virtual screen 81 increases. Therefore, a telephoto image is obtained when the distance between the virtual camera 84 and the virtual screen 81 is long, and a wide-angle image is obtained when the distance between the virtual camera 84 and the virtual screen 81 is short.

  Note that the values of the horizontal field angle θ and the vertical field angle θ ′ are set so that the ratio of the length of the virtual screen 81 between the horizontal direction and the vertical direction is constant.

  Returning to FIG. 2, the zoom rate setting unit 234 sets the zoom rate of the virtual camera 84 in accordance with the zoom rate change command notified from the game progress control unit 235. When the game progress control unit 235 determines that the zoom rate needs to be changed according to the game situation, the game progress control unit 235 outputs a zoom rate change command for changing the zoom rate together with information indicating the game situation. 233 is notified.

  Receiving this, the zoom rate setting unit 234 sets the zoom rate of the virtual camera 84 to a zoom rate predetermined for the game situation indicated by the information indicating the game situation. Here, in a normal game situation where the pitch rate character throws the ball object to the pitcher character and the batter character hits the ball object, the zoom rate setting unit 234 displays the pitcher character slightly above the center of the screen. Set the zoom factor that the batter character displays on the lower side.

  Then, for example, when the attacking team and the defensive team are switched, when the attacking team scores, or when the player character is changed, information is transmitted to the player through the electric bulletin board area 910. When it is necessary to do so, the zoom rate setting unit 234 sets the zoom rate high and displays the electronic bulletin board area 910 in an enlarged manner.

  In this case, the zoom rate setting unit 234 may gradually increase the zoom rate until a predetermined high zoom rate is reached.

  When the operation unit 220 receives an instruction such as a pitching instruction or a batting instruction from the player, the game progress control unit 235 notifies the character control unit 232 of the instruction and causes the character control unit 232 to operate the pitcher character, the batter character, or the like. .

  In addition, the game progress control unit 235 notifies the projection unit 233 of a zoom rate change command when a game situation that requires the zoom rate to change as described above arrives. Further, the game progress control unit 235 notifies the projection unit 233 of a line-of-sight change command when it is necessary to change the direction of the line of sight 85 according to the game situation.

  For example, when a player character is changed, in the electronic bulletin board area 910, when the area where the name of the changed player character is displayed is enlarged, the player character is clearly notified that the player character has been changed. be able to.

  In this case, the game progress control unit 235 notifies the projection unit 233 of a line-of-sight change command for directing the line of sight 85 to the area where the names of the replaced player characters are displayed. At the same time, the game progress control unit 235 notifies the zoom rate setting unit 234 of a zoom rate change command including information indicating that the game situation is a player change. Thereby, the area of the electric bulletin board area 910 where the name is displayed is enlarged and the player can quickly recognize the change of the player character.

  The storage unit 240 includes the main memory 5 and the ROM 6 shown in FIG. 1 and includes a three-dimensional model storage unit 241, a video texture storage unit 242, and a filter storage unit 243.

  As described above, the three-dimensional model storage unit 241 stores a three-dimensional model such as a baseball field or a human character. The video texture storage unit 242 stores the above-described video texture. The filter storage unit 243 stores the above-described filters FL1 to FL8 hierarchically.

  Next, the operation of the game device when the image processing device according to the present embodiment is applied to the game device will be described. FIG. 3 is a flowchart showing the operation of the game apparatus when the image processing apparatus according to the present embodiment is applied to the game apparatus. This flowchart shows processing when the projection unit 233 generates one piece of projection image data, and is repeatedly executed at a predetermined frame rate, for example.

  First, the model arrangement unit 231 arranges a three-dimensional model such as a baseball field or a human character at a predetermined position in the virtual three-dimensional space (step S1). Thereby, initial setting is performed. Hereinafter, “Step S” is abbreviated as “S”. Next, the character control unit 232 moves the person character in accordance with a command from the game progress control unit 235 (S2). At this time, the character control unit 232 moves the ball object as necessary.

  Next, the zoom rate setting unit 234 sets the zoom rate of the virtual camera 84 (S3). Here, when the zoom rate change command is notified by the game progress control unit 235, the zoom rate setting unit 234 may change the zoom rate, and when the zoom rate change command is not notified, It is sufficient to maintain the zoom rate.

  Next, the projection unit 233 sets the direction of the line of sight 85 (S4). In this case, the projection unit 233 may change the line of sight 85 when the game progress control unit 235 is notified of the line-of-sight change command, and if the line-of-sight change command is not notified, the projection unit 233 changes the direction of the line of sight 85. Just keep the current orientation.

  Next, the projection unit 233 sets the virtual screen 81 in accordance with the zoom rate set in S3 and the line of sight 85 set in S4. In this case, when there is no change in the zoom ratio and the direction of the line of sight 85 in S3 and S4, the projection unit 233 may continue to set the virtual screen 81 at the currently set position. Thereby, as shown in FIG. 8, the virtual screen 81 is set so that the distance between the virtual camera 84 and the virtual screen 81 is a distance corresponding to the zoom rate.

  Next, the projection unit 233 selects a filter FL corresponding to the zoom rate set in S3 (S6). For example, if the zoom ratio is large and the representative value of the area of the polygon projected on the virtual screen 81 belongs to the first and second classes, the filter FL such as the filter FL1 or the filter FL2 is selected. In this case, for example, if “rough” shown in FIG. 7 is adopted as the video texture, the characters “rough” are separated into R, G, and B color components and displayed.

  On the other hand, if the representative value of the polygon area belongs to the third to seventh classes, the filters FL3 to FL7 are selected. In this case, the characters “rough” shown in FIG. 7 are displayed separated by the non-illuminated areas 42 of the filters FL3 to FL7, but the color is displayed as it is.

  Further, if the zoom ratio is small and the representative value of the area of the polygon projected on the virtual screen 81 belongs to the eighth class, the filter FL8 is selected, and the characters “rough” are separated by the non-lighting area 42. Without being displayed in solid.

  Next, the projection unit 233 pastes the video texture corresponding to the electric bulletin board area 910 and the filter FL selected in S6 (S7). In this case, textures corresponding to other three-dimensional models are pasted by texture mapping.

  Next, the projection unit 233 projects a three-dimensional model onto the virtual screen 81 with the virtual camera 84 as a viewpoint, and generates projection image data (S8). Next, the projection unit 233 writes the generated projection image data in the drawing RAM, and causes the display unit 210 to display the projection image data (S9).

  Next, when the game progress control unit 235 determines that the rendering is to be ended (YES in S10), the process is ended. When it is determined that the rendering is not to be ended (NO in S10), the process returns to S2, and the next A process for generating projection image data is started. Here, the case where the rendering is finished corresponds to a case where the game situation does not need to display the virtual three-dimensional space, for example, a case where various setting screens are set. The above process is repeated, and the score board 900 is rendered and displayed on the display unit 210.

  In the above embodiment, the filter FL is composed of eight filters FL. However, the present invention is not limited to this, and the filter FL may be composed of 2 to 7, or 9 or more predetermined number of filters FL. Good.

  Moreover, in the said embodiment, although the filter FL which the lighting area | region 41 is comprised of the lighting area | region 41R, 41G, 41B of R, G, B was made into only filter FL1, FL2, filter FL3, FL4, ...,. The filter FL up to a predetermined level in the FL 6 may be configured by a filter FL having R, G, and B lighting regions 41R, 41G, and 41B.

  Moreover, in the said embodiment, the filter FL was set so that the whole area might become 1/4 each as it went to the filters FL1-FL8. This ¼ is merely an example, and may be set to an arbitrary value such as 1/2, 1/3, 1/5,..., 1 / n (n is a positive integer).

  In the present embodiment, description has been made by taking up the characters on the scoreboard expressed in the image of the baseball game. However, the present invention is not limited to this, and in the real world, characters, characters, Needless to say, the present invention can be widely applied to a case where a picture or the like is displayed in a game or a virtual space. For example, the present invention can be applied to advertisement display in the city, train information and time display on the platform of the station, news in the train, and the like.

41R, 41G, 41B, 41 Illuminated area 42 Non-illuminated area 43 Light emitter block 81 Virtual screen 210 Display unit 220 Operation unit 230 Control unit 231 Model placement unit 232 Character control unit 233 Projection unit 234 Zoom rate setting unit 235 Game progress control unit 240 Storage Unit 241 3D Model Storage Unit 242 Video Texture Storage Unit 243 Filter Storage Unit 900 Scoreboard 910 Electric Bulletin Board Area (Display Area)
FL, FL1-FL8 filter

Claims (8)

An image processing apparatus that simulates an image displayed in a display area in which a plurality of light emitters are arranged in a matrix,
A model placement unit for placing a three-dimensional model of the display body having the display area in a virtual three-dimensional space;
A video texture storage unit for storing in advance a video texture simulating the video displayed in the display area;
A non-lighting region for non-transparently displaying the video texture to simulate a gap portion of the light emitter, and a plurality of lighting regions for transmitting and displaying the video texture to simulate each light emitter. A filter storage unit for preliminarily storing a filter for regularly forming the display area;
A virtual camera and a virtual screen are arranged in the virtual three-dimensional space, the video texture and the filter are superimposed and pasted on the display area, and the three-dimensional model of the display body is viewed from the virtual camera as a viewpoint. and a projection unit that projects to,
A zoom rate setting unit for setting the zoom rate of the virtual camera,
The filter storage unit stores a plurality of types of filters having different areas of the lighting region,
The projection unit is an image processing apparatus that selects a filter having a large area of the lighting region as the zoom ratio increases . The video texture is composed of R (red), G (green), and B (blue) color components,
The filter storage unit includes a high zoom rate filter selected when the zoom rate is high, and a low zoom rate filter other than the high zoom rate filter,
The high zoom ratio filter is set so that each lighting region transmits only one color component of R, G, B of the video texture,
The low zoom factor filter, each lighting region, the image texture R, G, the image processing apparatus according to claim 1 wherein that is configured to evenly transmit the color components B. The filter storage unit hierarchically stores a plurality of types of filters whose total area decreases by 1 / n (n is an integer of 2 or more) as it goes to a lower hierarchy,
The projection unit repeatedly pastes the filter on the display area,
In the filter, the area of each lighting region is reduced to 1 / n with respect to the filter of the upper layer, and the area of each lighting region is set to be the same with respect to the filter of the upper layer. the image processing apparatus according to claim 1 or 2, wherein and a filter. The display area is composed of a plurality of polygons,
The projection unit, based on the area of a polygon when projecting the display area on the virtual screen, the image processing apparatus according to claim 1 for selecting the filter. The image processing apparatus according to claim 3 , wherein the lighting region is set to be circular in a filter of a hierarchy higher than or equal to a predetermined hierarchy, and the lighting region of a filter in a hierarchy lower than the predetermined hierarchy is a square. The image processing apparatus according to any one of claims 1 to 5, wherein said display body is a scoreboard. An image processing method for simulating a video displayed in a display area in which a plurality of light emitters are arranged in a matrix,
A computer arranging step of arranging a three-dimensional model of a display body having the display area in a virtual three-dimensional space;
A computer arranges a virtual camera and a virtual screen in the virtual three-dimensional space, and removes the video texture to simulate a video texture that simulates a video displayed in the display area and a gap portion of the light emitter. Superimposing a non-lighting area to be displayed in transmission and a filter for regularly forming a plurality of lighting areas to be transmitted and displayed in order to simulate each light emitter in the display area A projecting step of pasting on a display area and projecting a three-dimensional model of the display body onto the virtual screen from the virtual camera as a viewpoint ;
A zoom rate setting step for setting a zoom rate of the virtual camera,
The filter includes a plurality of types of filters having different areas of the lighting region,
In the projecting step, the computer selects a filter having a large area of the lighting region as the zoom rate increases . An image processing program for simulating a video displayed in a display area in which a plurality of light emitters are arranged in a matrix,
A model placement unit for placing a three-dimensional model of the display body having the display area in a virtual three-dimensional space;
A video texture storage unit for storing in advance a video texture simulating the video displayed in the display area;
A non-lighting region for non-transparently displaying the video texture to simulate a gap portion of the light emitter, and a plurality of lighting regions for transmitting and displaying the video texture to simulate each light emitter. A filter storage unit for preliminarily storing a filter for regularly forming the display area;
A virtual camera and a virtual screen are arranged in the virtual three-dimensional space, the video texture and the filter are superimposed and pasted on the display area, and the three-dimensional model of the display body is viewed from the virtual camera as a viewpoint. and a projection unit that projects to,
Causing the computer to function as a zoom rate setting unit for setting the zoom rate of the virtual camera ;
The filter storage unit stores a plurality of types of filters having different areas of the lighting region,
The image processing program for the projection unit to select a filter having a large area of the lighting region as the zoom ratio increases .