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Tridimensional image processing method

A three-dimensional space and image processing technology, applied in image data processing, 3D image processing, instruments, etc., can solve problems such as sudden jumping out of screen objects

Active Publication Date: 2004-12-29
VIA TECH INC
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  • Claims
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Problems solved by technology

[0007] The main purpose of the present invention is to provide a three-dimensional space image processing method to overcome the above-mentioned shortcomings of the prior art, solve the above-mentioned problem of sudden jumping-out of screen objects, and at the same time reduce the burden of system resources caused by the operation of segmenting objects

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Embodiment Construction

[0028] In order to reduce the bad influence of the cutting operation on the computer system for three-dimensional image processing, the present invention improves a visible depth range in the visible area. See Figure 4 , which is a schematic diagram of a visible depth range, wherein a proximal boundary 41 and a remote boundary 42 extend outward from the origin 40, and the area 43 between the two boundaries represents the visible depth range. Of course, when the three-dimensional space objects 46 and 47 fall completely outside the visible depth range, the method of the present invention does not process them but discards them directly.

[0029] However, the main spirit of the present invention is a three-dimensional space object 44, 45 (the three-dimensional space object is formed by several polygons, and the polygons are respectively composed of a set of three-dimensional space primitive data (primitive data) After the setting) is generated, when using the visible depth rang...

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Abstract

The 3D space image processing method is used in a computer system with display. The 3D space image processing method includes the following steps: setting one visible depth range with one far boundary and one near boundary; provides one 3D space target; utilizing the near boundary in the cutting operation of the 3D space target to produce one cut 3D space target with the part of depth value smaller than the near boundary cut down; performing the description imaging operation of the cut 3D space target and utilizing the far boundary in the comparison of the pixel depth value before the pixel point in the cut 3D space target is output to the display, and disposing the pixel point with the depth value greater than the far boundary.

Description

technical field [0001] The invention relates to a three-dimensional image processing method, in particular to a three-dimensional image processing method applied in a computer system. Background technique [0002] See figure 1 , this figure shows that when the computer system performs three-dimensional image processing, an origin 11 is used as a visual area in one direction (by eight endpoints 121, 122, 123, 124, 131, 132, 133, 134) The object image in the three-dimensional space enclosed by ) is projected, and the object image is projected on a projection surface, which is usually displayed on the proximal boundary of the visible area (enclosed by 121, 122, 123, 124 surface), and finally record the image to the screen display memory, so that a three-dimensional stereoscopic image can be displayed on the flat screen. [0003] There are many objects 141 and 142 in the three-dimensional space that are completely within this visible area, and there will also be objects 143 ou...

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Application Information

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IPC IPC(8): G06T15/10
Inventor 王财升王豫章李润容
Owner VIA TECH INC
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