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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 |
| 7126601 |
Graphics memory system that utilizes detached-Z buffering in conjunction with a batching architecture to reduce paging overhead |
Oct. 24, 2006 |
| 7119809 |
Parallel architecture for graphics primitive decomposition |
Oct. 10, 2006 |
| 7120311 |
Systems and methods for providing forward mapping with visibility for and resolution of accumulated samples |
Oct. 10, 2006 |
| 7116337 |
Transparent depth sorting |
Oct. 3, 2006 |
| 7116323 |
Method of hidden surface reconstruction for creating accurate three-dimensional images converted from two-dimensional images |
Oct. 3, 2006 |
| 7106899 |
System and method for progressive stereo matching of digital images |
Sep. 12, 2006 |
| 7091971 |
System, method, and apparatus for multi-level hierarchical Z buffering |
Aug. 15, 2006 |
| 7085409 |
Method and apparatus for synthesizing new video and/or still imagery from a collection of real video and/or still imagery |
Aug. 1, 2006 |
| 7079174 |
Electronic equipment |
Jul. 18, 2006 |
| 7079136 |
Rendering method of rendering image on two-dimensional screen |
Jul. 18, 2006 |
| 7068272 |
System, method and article of manufacture for Z-value and stencil culling prior to rendering in a computer graphics processing pipeline |
Jun. 27, 2006 |
| 7064752 |
Multi-function unit of a graphics system for updating a hierarchical Z buffer |
Jun. 20, 2006 |
| 7061487 |
Method and apparatus for improving depth information communication bandwidth in a computer graphics system |
Jun. 13, 2006 |
| 7042463 |
Image generating system and program |
May. 9, 2006 |
| 7042462 |
Pixel cache, 3D graphics accelerator using the same, and method therefor |
May. 9, 2006 |
| 7034823 |
3D computer graphics processing apparatus and method |
Apr. 25, 2006 |
| 7030887 |
Methods and systems for transparent depth sorting |
Apr. 18, 2006 |
| 7030880 |
Information processor |
Apr. 18, 2006 |
| 7030877 |
Computer graphics processing system, computer memory, and method of use with computer graphics processing system utilizing hierarchical image depth buffer |
Apr. 18, 2006 |
| 7030878 |
Method and apparatus for generating a shadow effect using shadow volumes |
Apr. 18, 2006 |
| 7031512 |
Method and system for 3D smoothing within the bound of error regions of matching curves |
Apr. 18, 2006 |
| 7024028 |
Method of using frame of pixels to locate ROI in medical imaging |
Apr. 4, 2006 |
| 7023438 |
Method and apparatus for rendering shadows |
Apr. 4, 2006 |
| 7006709 |
System and method deghosting mosaics using multiperspective plane sweep |
Feb. 28, 2006 |
| 6999077 |
z-buffer based interpenetrating object detection for antialiasing |
Feb. 14, 2006 |
| 6999076 |
System, method, and apparatus for early culling |
Feb. 14, 2006 |
| 6992664 |
Graphics plotting apparatus |
Jan. 31, 2006 |
| 6989840 |
Order-independent transparency rendering system and method |
Jan. 24, 2006 |
| 6982713 |
System and method for clearing depth and color buffers in a real-time graphics rendering system |
Jan. 3, 2006 |
| 6980208 |
System and method for enhancing depth value processing in a graphics pipeline |
Dec. 27, 2005 |
| 6978230 |
Apparatus, system, and method for draping annotations on to a geometric surface |
Dec. 20, 2005 |
| 6975319 |
System, method and article of manufacture for calculating a level of detail (LOD) during computer graphics processing |
Dec. 13, 2005 |
| 6975329 |
Depth-of-field effects using texture lookup |
Dec. 13, 2005 |
| 6961057 |
Method and apparatus for managing and accessing depth data in a computer graphics system |
Nov. 1, 2005 |
| 6956578 |
Non-flushing atomic operation in a burst mode transfer data storage access environment |
Oct. 18, 2005 |
| 6954202 |
Image-based methods of representation and rendering of three-dimensional object and animated three-dimensional object |
Oct. 11, 2005 |
| 6954208 |
Depth write disable for rendering |
Oct. 11, 2005 |
| 6952206 |
Graphics application program interface system and method for accelerating graphics processing |
Oct. 4, 2005 |
| 6943791 |
Z-slope test to optimize sample throughput |
Sep. 13, 2005 |
| 6937236 |
Methods and apparatus for culling sorted, back facing graphics data |
Aug. 30, 2005 |
| 6937245 |
Graphics system with embedded frame buffer having reconfigurable pixel formats |
Aug. 30, 2005 |
| 6931150 |
System and method for progressive stereo matching of digital images |
Aug. 16, 2005 |
| 6927777 |
Image generating system and program |
Aug. 9, 2005 |
| 6924801 |
Method and apparatus for early culling of occluded objects |
Aug. 2, 2005 |
| 6911990 |
Fast clear technique for display regions having subregions |
Jun. 28, 2005 |
| 6906715 |
Shading and texturing 3-dimensional computer generated images |
Jun. 14, 2005 |
| 6906728 |
Method and system for providing edge antialiasing |
Jun. 14, 2005 |
| 6903739 |
Graphic display system having a frame buffer with first and second memory portions |
Jun. 7, 2005 |
| 6900799 |
Filtering processing on scene in virtual 3-D space |
May. 31, 2005 |
| 6894689 |
Occlusion culling method and apparatus for graphics systems |
May. 17, 2005 |
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