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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 |
| 6466207 |
Real-time image rendering with layered depth images |
Oct. 15, 2002 |
| 6462736 |
System and method providing a three-Dimensional display of values relative to comparison values |
Oct. 8, 2002 |
| 6457034 |
Method and apparatus for accumulation buffering in the video graphics system |
Sep. 24, 2002 |
| 6456285 |
Occlusion culling for complex transparent scenes in computer generated graphics |
Sep. 24, 2002 |
| 6453065 |
Floating-point complementary depth buffer |
Sep. 17, 2002 |
| 6448967 |
Z-Buffer pre-test for 3D graphics performance enhancement |
Sep. 10, 2002 |
| 6445392 |
Method and apparatus for simplified anti-aliasing in a video graphics system |
Sep. 3, 2002 |
| 6441817 |
Methods and apparatuses for performing Z-buffer granularity depth calibration in graphics displays of three-dimensional scenes |
Aug. 27, 2002 |
| 6441818 |
Image processing apparatus and method of same |
Aug. 27, 2002 |
| 6429866 |
Three-dimensional graphics drawing apparatus calculating tone of pixel based on tones of pixels at prescribed intervals, method thereof and medium recorded with program therefor |
Aug. 6, 2002 |
| 6417850 |
Depth painting for 3-D rendering applications |
Jul. 9, 2002 |
| 6417848 |
Pixel clustering for improved graphics throughput |
Jul. 9, 2002 |
| 6411295 |
Apparatus and method for Z-buffer compression |
Jun. 25, 2002 |
| 6411294 |
Image display apparatus and image display method |
Jun. 25, 2002 |
| 6407741 |
Method and apparatus for controlling compressed Z information in a video graphics system that supports anti-aliasing |
Jun. 18, 2002 |
| 6407736 |
Deferred scanline conversion architecture |
Jun. 18, 2002 |
| 6404913 |
Image synthesizing apparatus and method, position detecting apparatus and method, and supply medium |
Jun. 11, 2002 |
| 6402615 |
Object display method, computer readable program product and program for displaying an object and game system |
Jun. 11, 2002 |
| 6400850 |
Apparatus and method for scientific visualization |
Jun. 4, 2002 |
| 6396503 |
Dynamic texture loading based on texture tile visibility |
May. 28, 2002 |
| 6384822 |
Method for rendering shadows using a shadow volume and a stencil buffer |
May. 7, 2002 |
| 6377258 |
Method and system for providing a hardware sort in a graphics system |
Apr. 23, 2002 |
| 6356264 |
Image processing device and image processing method |
Mar. 12, 2002 |
| 6342882 |
Image processing apparatus and method and transmission medium |
Jan. 29, 2002 |
| 6317124 |
Graphics memory system that utilizes detached-Z buffering in conjunction with a batching architecture to reduce paging overhead |
Nov. 13, 2001 |
| 6313839 |
Method and apparatus for performing Z buffer depth comparison operations |
Nov. 6, 2001 |
| 6285371 |
Method and apparatus for providing a three dimensional transition between displayed images |
Sep. 4, 2001 |
| 6285779 |
Floating-point complementary depth buffer |
Sep. 4, 2001 |
| 6285348 |
Method and system for providing implicit edge antialiasing |
Sep. 4, 2001 |
| 6275241 |
High speed image drawing apparatus for displaying three dimensional images |
Aug. 14, 2001 |
| 6271850 |
Image generation apparatus, image generation method, image generation program recording medium, image composition apparatus, image composition method, and image composition program recording m |
Aug. 7, 2001 |
| 6271851 |
Z-buffer pre-test for 3D graphic performance enhancement |
Aug. 7, 2001 |
| 6268875 |
Deferred shading graphics pipeline processor |
Jul. 31, 2001 |
| 6266072 |
Graphics system |
Jul. 24, 2001 |
| 6266065 |
Method for rendering 3D triangle primitives |
Jul. 24, 2001 |
| 6266068 |
Multi-layer image-based rendering for video synthesis |
Jul. 24, 2001 |
| 6252982 |
Image processing system for handling depth information |
Jun. 26, 2001 |
| 6252974 |
Method and apparatus for depth modelling and providing depth information of moving objects |
Jun. 26, 2001 |
| 6252608 |
Method and system for improving shadowing in a graphics rendering system |
Jun. 26, 2001 |
| 6246415 |
Method and apparatus for culling polygons |
Jun. 12, 2001 |
| 6239809 |
Image processing device, image processing method, and storage medium for storing image processing programs |
May. 29, 2001 |
| 6222552 |
Systems and methods for caching depth information of three-dimensional images |
Apr. 24, 2001 |
| 6204859 |
Method and apparatus for compositing colors of images with memory constraints for storing pixel data |
Mar. 20, 2001 |
| 6195098 |
System and method for interactive rendering of three dimensional objects |
Feb. 27, 2001 |
| 6184890 |
Method and apparatus for rendering objects on a display with added realism |
Feb. 6, 2001 |
| 6175366 |
Method for displaying and controlling plural characters operated by a player on a video game apparatus |
Jan. 16, 2001 |
| 6172679 |
Visibility calculations for 3D computer graphics |
Jan. 9, 2001 |
| 6169550 |
Object oriented method and system to draw 2D and 3D shapes onto a projection plane |
Jan. 2, 2001 |
| 6166743 |
Method and system for improved z-test during image rendering |
Dec. 26, 2000 |
| 6160557 |
Method and apparatus providing efficient rasterization with data dependent adaptations |
Dec. 12, 2000 |
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