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| Number | Title | Issue Date |
| 7518615 | Display system having floating point rasterization and floating point framebuffering A floating point rasterization and frame buffer in a computer system graphics program. The rasterization, fog, lighting, texturing, blending, and antialiasing processes operate on floating point values. In one embodiment, a 16-bit floating point format consisting of... | 04/14/2009 |
| 6650327 | Display system having floating point rasterization and floating point framebuffering A floating point rasterization and frame buffer in a computer system graphics program. The rasterization, fog, lighting, texturing, blending, and antialiasing processes operate on floating point values. In one embodiment, a 16-bit floating point format co... | 11/18/2003 |
| 6452603 | Circuit and method for trilinear filtering using texels from only one level of detail A circuit and process perform trilinear filtering using four texels (called "nearest texels") that are nearest to a to-be-displayed pixel, and also using twelve additional texels (called "surrounding texels") that surround the nearest texels. The nearest ... | 09/17/2002 |
| 6437780 | Method for determining tiles in a computer display that are covered by a graphics primitive A geometry tiler identifies tiles on a computer's screen that are covered by a graphics primitive by use of edges of the graphics primitive. Precise identification of tiles of various types (such as edge tiles covered by a segment) eliminates identificati... | 08/20/2002 |
| 6414682 | System and method for transitioning between two filters, allowing for the use of higher order interpolation The present invention provides a system, apparatus and method for filtering an image that produces output images having high resolution without visual discontinuity across a wide range of resize ratios. The invention includes a linear filter for source im... | 07/02/2002 |
| 6385267 | System and method for locking disparate video formats A system and method for the phase alignment of signals of arbitrary relative frequency are described. A phase difference detector detects a phase difference between a first signal pulse and a corresponding second signal pulse. A phase comparator compares ... | 05/07/2002 |
| 6304300 | Floating point gamma correction method and system The present invention provides a method, a device, and a system for performing gamma correction on a set of pixel data based on a gamma correction curve table. The gamma correction curve table includes a specified total number of intensity levels associat... | 10/16/2001 |
| 6147695 | System and method for combining multiple video streams An operation for combining multiple video streams permits combining any number of overlay images and base images regardless of processes performed upon one or more of the images. Specifically, where the base images are dynamically sized and resized to pro... | 11/14/2000 |
| 5889529 | System and method for generating and displaying complex graphic images at a constant frame rate A system and method for dynamically resizing graphic images of variable image complexity to generate display images at a constant frame rate for output to a display device. In one frame, an image resolution is determined and a graphic image is drawn to th... | 03/30/1999 |
| 5608461 | Programmable video frame detector A synchronizing device is described. The synchronizing device detects a video frame. The synchronizing device determines a duration of a first signal state of a video signal, determines a duration of a second signal state of the video signal and compares ... | 03/04/1997 |
| 5455627 | Programmable video output format generator A programmable video output format (VOF) generator that enables a processing system to drive different video display devices with varying video format requirements. The programmable VOF generator includes a compiler that generates video formats based on u... | 10/03/1995 |