Computer graphics processing and selective visual display system – Computer graphics processing – Graph generating
Reexamination Certificate
1998-04-29
2001-07-31
Luu, Matthew (Department: 2672)
Computer graphics processing and selective visual display system
Computer graphics processing
Graph generating
C345S111000, C345S473000, C345S474000, C345S428000
Reexamination Certificate
active
06268869
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to an image display processing apparatus for displaying a display content including a plurality of objects frame by frame on a screen, an image display processing method and a readable storage medium storing a computer program.
In recent years, there have been known video game machines which display a game image in which an object such as a person, a machine, a tree or a rock arranged in a virtual three-dimensional game space is displayed on a monitor. In such video game machines, the object arranged in the game space is formed as an aggregate of a plurality of polygons. The video game machines generally perform the following processing to display the object on the monitor.
Specifically, the video game machine obtains the positions of the respective polygons in three-dimensional coordinate systems defining the game space, expresses the surface of the object by pasting textures to the respective polygons whose positions have been obtained, and displays the object colored based on a color palette data on the monitor. Accordingly, a real looking image of the object is displayed on the monitor.
The video game machine displays several tens of frames of still images on the display surface for a second by repeating the aforementioned processing several tens of times per second. At this time, if the position of the object is gradually changed, the movement of the object can be displayed in an animated manner.
In recent years, there has been a tendency to express the detailed surface configuration of, e.g. the object by forming the background and the object of the game space using fine polygons. As the polygons are made finer, the number of polygons forming the object or the like tends to be increased.
However, an increase in the number of the polygons causes the following problem. Specifically, an increase in the number of the polygons forming the object means an increase in a total data amount (display data) of the display content of one frame. There has been a limit in the total amount of the display data of one frame which can be processed by the game machine. Accordingly, in the case that the number of the objects to be displayed in one frame is large, the total amount of the display data sometimes exceeds a processing limit of the video game machine. This has resulted in the flickering of the screen or so-called twisting of the screen by the blinking of the objects displayed on the monitor.
SUMMARY OF THE INVENTION
In view of the above problem, it is an object of the present invention to provide an apparatus and a method for processing an image display which can suppress a display data amount of one frame within a range processable by a video game machine and can prevent the blinking of objects, twisting of a screen and the like, and also to provide a readable storage medium storing a computer program.
The invention adopts the following construction to solve the aforementioned problem. Specifically, the invention is directed to an image display processing apparatus which comprises issuance means for issuing a display content of one frame including images of a plurality of objects to be displayed on a screen; monitoring means for detecting a display content having a data amount in excess of a predetermined value; selection means for selecting at least one of the plurality of objects included in the display content; and image processing means for processing an image for the display content excluding the image of the object selected by the selection means and displaying the processed image on the screen.
With the above construction, the monitoring means monitors whether or not the data amounts of the display contents issued by the issuance means exceed the predetermined value. In the case of detecting the display content whose data amount exceeds the predetermined value, the selection means selects at least one of the plurality of objects included in the detected display content. Then, the image processing means applies the image processing to the detected display content excluding the image of the selected object and the processed display content is displayed on the screen. Accordingly, a processing load on the image display processing apparatus can be reduced by the image data of the selected object. Therefore, the data amount of the display content can be suppressed within the range processable by the image display processing apparatus.
These and other objects, features and advantages of the present invention will become more apparent upon a reading of the following detailed description and accompanying drawings.
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patent: 550244 (1993-07-01), None
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Miura Kenji
Ugajin Masashi
Chung Daniel J
Jordan and Hamburg LLP
Konami Co. Ltd.
Luu Matthew
LandOfFree
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