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Class Information
Number: 345/422
Name: Computer graphics processing, operator interface processing, and selective visual display systems > Computer graphics processing > Three-dimension > Hidden line/surface determining > Z buffer (depth buffer)
Description: Subject matter wherein a memory having locations corresponding to display locations stores distance information* which is used to determine which objects or portions of objects are hidden.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7609893 |
Method and apparatus for producing classifier training images via construction and manipulation of a three-dimensional image model |
Oct. 27, 2009 |
| 7602389 |
Graphic processing apparatus and method |
Oct. 13, 2009 |
| 7599814 |
System and method for computing reachable areas |
Oct. 6, 2009 |
| 7589722 |
Method and apparatus for generating compressed stencil test information |
Sep. 15, 2009 |
| 7586495 |
Rendering multiple clear rectangles using a pre-rendered depth buffer |
Sep. 8, 2009 |
| 7580035 |
Real-time collision detection using clipping |
Aug. 25, 2009 |
| 7570804 |
Apparatus and method for determining stereo disparity based on two-path dynamic programming and GGCP |
Aug. 4, 2009 |
| 7567259 |
System and method for display compositing |
Jul. 28, 2009 |
| 7566273 |
Game system and image generating method |
Jul. 28, 2009 |
| 7564457 |
Shot shading method and apparatus |
Jul. 21, 2009 |
| 7557824 |
Method and apparatus for generating a stereoscopic image |
Jul. 7, 2009 |
| 7554538 |
Video processing, such as for hidden surface reduction or removal |
Jun. 30, 2009 |
| 7554540 |
System and method of visible surface determination in computer graphics using interval analysis |
Jun. 30, 2009 |
| 7538765 |
Method and apparatus for generating hierarchical depth culling characteristics |
May. 26, 2009 |
| 7528830 |
System and method for rendering 3-D images on a 3-D image display screen |
May. 5, 2009 |
| 7525543 |
High performance shading of large volumetric data using screen-space partial derivatives |
Apr. 28, 2009 |
| 7525542 |
Automatically generating appropriate near and far clipping planes for a 3D scene while guaranteeing minimum of Z-buffer precision |
Apr. 28, 2009 |
| 7522166 |
Video game processing method, video game processing apparatus and computer readable recording medium storing video game program |
Apr. 21, 2009 |
| 7518615 |
Display system having floating point rasterization and floating point framebuffering |
Apr. 14, 2009 |
| 7518608 |
Z-depth matting of particles in image rendering |
Apr. 14, 2009 |
| 7518607 |
Hidden-line removal method |
Apr. 14, 2009 |
| 7508390 |
Method and system for implementing real time soft shadows using penumbra maps and occluder maps |
Mar. 24, 2009 |
| 7492363 |
Telestrator system |
Feb. 17, 2009 |
| 7474313 |
Apparatus, method, and system for coalesced Z data and color data for raster operations |
Jan. 6, 2009 |
| 7460117 |
Sliding texture volume rendering |
Dec. 2, 2008 |
| 7453458 |
Drawing method and drawing apparatus for displaying image data about a plurality of objects including semitransparent object and opaque object on computer display screen |
Nov. 18, 2008 |
| 7450118 |
Method for displaying three-dimensional polygon on screen |
Nov. 11, 2008 |
| 7450120 |
Apparatus, system, and method for Z-culling |
Nov. 11, 2008 |
| 7450121 |
Dynamic bit depth rendering |
Nov. 11, 2008 |
| 7450132 |
Method and/or apparatus for high speed visualization of depth image-based 3D graphic data |
Nov. 11, 2008 |
| 7439983 |
Method and apparatus for de-indexing geometry |
Oct. 21, 2008 |
| 7439974 |
System and method for fast 3-dimensional data fusion |
Oct. 21, 2008 |
| 7439973 |
Ray tracing with depth buffered display |
Oct. 21, 2008 |
| 7436414 |
Method for accelerated determination of occlusion between polygons |
Oct. 14, 2008 |
| 7425967 |
Device for processing pixel rasterization and method for processing the same |
Sep. 16, 2008 |
| 7423642 |
Efficient video frame capturing |
Sep. 9, 2008 |
| 7420568 |
System and method for packing data in different formats in a tiled graphics memory |
Sep. 2, 2008 |
| 7414624 |
Apparatus and method for a frustum culling algorithm suitable for hardware implementation |
Aug. 19, 2008 |
| 7408549 |
Method for hardware sorted fragment composition |
Aug. 5, 2008 |
| 7400325 |
Culling before setup in viewport and culling unit |
Jul. 15, 2008 |
| 7397478 |
Various apparatuses and methods for switching between buffers using a video frame buffer flip queue |
Jul. 8, 2008 |
| 7388582 |
System and method for graphics culling |
Jun. 17, 2008 |
| 7388583 |
Method of and scaling unit for scaling a three-dimensional model |
Jun. 17, 2008 |
| 7388589 |
System for and method of performing an opacity calculation in a 3D graphics system |
Jun. 17, 2008 |
| 7385608 |
State tracking methodology |
Jun. 10, 2008 |
| 7382368 |
Planar z representation for z compression |
Jun. 3, 2008 |
| 7382377 |
Render to texture cull |
Jun. 3, 2008 |
| 7375727 |
System, method and computer program product for geometrically transforming geometric objects |
May. 20, 2008 |
| 7372471 |
System and method for single-sample virtual coverage anti-aliasing |
May. 13, 2008 |
| 7369139 |
Background rendering of images |
May. 6, 2008 |
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