| |
 |
|
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 |
| 6646639 |
Modified method and apparatus for improved occlusion culling in graphics systems |
Nov. 11, 2003 |
| 6639597 |
Visibility splatting and image reconstruction for surface elements |
Oct. 28, 2003 |
| 6636215 |
Hardware-assisted z-pyramid creation for host-based occlusion culling |
Oct. 21, 2003 |
| 6636226 |
Method and apparatus for controlling compressed Z information in a video graphics system |
Oct. 21, 2003 |
| 6636214 |
Method and apparatus for dynamically reconfiguring the order of hidden surface processing based on rendering mode |
Oct. 21, 2003 |
| 6630933 |
Method and apparatus for compression and decompression of Z data |
Oct. 7, 2003 |
| 6628281 |
Method and system for computing the intersection of a bounding volume and screen-aligned plane |
Sep. 30, 2003 |
| 6628284 |
Method and apparatus for processing graphics perspective transformations |
Sep. 30, 2003 |
| 6621811 |
Method and system for generating multiple pilot beacons of different frequencies from a single pilot beacon |
Sep. 16, 2003 |
| 6618054 |
Dynamic depth-of-field emulation based on eye-tracking |
Sep. 9, 2003 |
| 6618048 |
3D graphics rendering system for performing Z value clamping in near-Z range to maximize scene resolution of visually important Z components |
Sep. 9, 2003 |
| 6618047 |
Visibility calculations for 3d computer graphics |
Sep. 9, 2003 |
| 6614425 |
System and method for the adaptive mapping of matrix data to sets of polygons |
Sep. 2, 2003 |
| 6614444 |
Apparatus and method for fragment operations in a 3D-graphics pipeline |
Sep. 2, 2003 |
| 6611268 |
System and process for generating 3D video textures using video-based rendering techniques |
Aug. 26, 2003 |
| 6611264 |
Deferred scanline conversion architecture |
Aug. 26, 2003 |
| 6606406 |
System and method for progressive stereo matching of digital images |
Aug. 12, 2003 |
| 6603475 |
Method for generating stereographic image using Z-buffer |
Aug. 5, 2003 |
| 6603474 |
Method and apparatus for occlusion culling of objects in a data processing system |
Aug. 5, 2003 |
| 6600491 |
Video-based rendering with user-controlled movement |
Jul. 29, 2003 |
| 6593923 |
System, method and article of manufacture for shadow mapping |
Jul. 15, 2003 |
| 6584219 |
2D/3D image conversion system |
Jun. 24, 2003 |
| 6580427 |
Z-compression mechanism |
Jun. 17, 2003 |
| 6577307 |
Anti-aliasing for three-dimensional image without sorting polygons in depth order |
Jun. 10, 2003 |
| 6567085 |
Display techniques for three-dimensional virtual reality |
May. 20, 2003 |
| 6567099 |
Method and system for dynamically allocating a frame buffer for efficient anti-aliasing |
May. 20, 2003 |
| 6558257 |
Imaging processing apparatus and image processing method |
May. 6, 2003 |
| 6559852 |
Z test and conditional merger of colliding pixels during batch building |
May. 6, 2003 |
| 6556993 |
Method and system for providing a hardware sort in a graphics system |
Apr. 29, 2003 |
| RE38078 |
Graphical rendering system using simultaneous parallel query Z-buffer and method therefor |
Apr. 15, 2003 |
| 6525726 |
Method and apparatus for adaptive hierarchical visibility in a tiled three-dimensional graphics architecture |
Feb. 25, 2003 |
| 6525729 |
Raycasting system and method |
Feb. 25, 2003 |
| 6518966 |
Method and device for collision detection and recording medium recorded with collision detection method |
Feb. 11, 2003 |
| 6515661 |
Anti-aliasing buffer |
Feb. 4, 2003 |
| 6512521 |
Method of displaying two dimensional picture image data, and constructing animation picture therefrom |
Jan. 28, 2003 |
| 6509897 |
Method and system for providing implicit edge antialiasing |
Jan. 21, 2003 |
| 6498606 |
Z-buffering graphics system |
Dec. 24, 2002 |
| 6498605 |
Pixel span depth buffer |
Dec. 24, 2002 |
| 6496597 |
Generating image data |
Dec. 17, 2002 |
| 6492987 |
Method and apparatus for processing object elements that are being rendered |
Dec. 10, 2002 |
| 6492991 |
Method and apparatus for controlling compressed Z information in a video graphics system |
Dec. 10, 2002 |
| 6489961 |
Rasterization of lines in a cylindrical voxel grid |
Dec. 3, 2002 |
| 6483507 |
Super-sampling and gradient estimation in a ray-casting volume rendering system |
Nov. 19, 2002 |
| 6476807 |
Method and apparatus for performing conservative hidden surface removal in a graphics processor with deferred shading |
Nov. 5, 2002 |
| 6476808 |
Token-based buffer system and method for a geometry pipeline in three-dimensional graphics |
Nov. 5, 2002 |
| 6473091 |
Image processing apparatus and method |
Oct. 29, 2002 |
| 6473082 |
System and method for implementing a two-layer z-range buffer |
Oct. 29, 2002 |
| 6473086 |
Method and apparatus for graphics processing using parallel graphics processors |
Oct. 29, 2002 |
| 6469703 |
System of accessing data in a graphics system and method thereof |
Oct. 22, 2002 |
| 6466218 |
Graphics system interface |
Oct. 15, 2002 |
|
|
|
