| Patent Number |
Title Of Patent |
Date Issued |
| 7428639 |
Encrypted and watermarked temporal and resolution layering in advanced television |
September 23, 2008 |
| A method and apparatus for image compression using temporal and resolution layering of compressed image frames, and which provides encryption and watermarking capabilities. In particular, layered compression allows a form of modularized decomposition of an image that supports flexible |
| 7366242 |
Median filter combinations for video noise reduction |
April 29, 2008 |
| A technique for improving image compression by pre-processing the image frames. In particular, methods for de-interlacing and noise reduction using combinations of median filters, applied both spatially and temporally, with and without motion analysis, are described. |
| 7266150 |
Interpolation of video compression frames |
September 4, 2007 |
| A method, system, and computer programs for improving the image quality of one or more predicted frames in a video image compression system, where each frame comprises a plurality of pixels. A picture region or macroblock of certain types of frames can be encoded by reference to one |
| 6975680 |
Macroblock mode decision biasing for video compression systems |
December 13, 2005 |
| A method, system, and computer program for coding video frames in a video compression system. One aspect includes automatically scaling coding mode biases as a function of the number of bits of coding precision in the video compression system, or dynamic range and/or contrast range, or |
| 6957350 |
Encrypted and watermarked temporal and resolution layering in advanced television |
October 18, 2005 |
| A method and apparatus for image compression using temporal and resolution layering of compressed image frames, and which provides encryption and watermarking capabilities. In particular, layered compression allows a form of modularized decomposition of an image that supports flexible |
| 6816552 |
Interpolation of video compression frames |
November 9, 2004 |
| A method, system, and computer programs for improving the image quality of one or more bi-directionally predicted intermediate frames in a video image compression system, where each frame comprises a plurality of pixels. In one aspect, the invention includes determining the value of |
| 6728317 |
Moving image compression quality enhancement using displacement filters with negative lobes |
April 27, 2004 |
| A method and apparatus for image compression using temporal and resolution layering of compressed image frames. In particular, layered compression allows a form of modularized decomposition of an image that supports flexible application of a variety of image enhancement techniques. F |
