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| Number | Title | Issue Date |
| 5493513 | Process, apparatus and system for encoding video signals using motion estimation At least one region of each video frame is designated for intra encoding. One or more regions of each video frame are designated for inter encoding. One or more motion vectors are selected for each region designated for inter encoding, wherein at least on... | 02/20/1996 |
| 5491513 | Bit rate controller for encoding video signals A reference characterization characterizes the relationship between frames encoded using a first encoding process and frames encoded using a second encoding process for a variety of frames. A previous frame is encoded using the first encoding process and ... | 02/13/1996 |
| 5459518 | Segmenting image signals for encoding using quantization analysis A cell of an image is segmented into two or more subcells. According to one embodiment, the nullity of each of the subcells is classified and the cell is encoded in accordance with the nullity of the subcells. According to another embodiment, the quantiza... | 10/17/1995 |
| 5448297 | Method and system for encoding images using skip blocks A region of an image having a plurality of corresponding image values is encoded to generate a temporary encoded region. The temporary encoded region is then decoded to generate a decoded region. An error measure is generated as a function of the decoded ... | 09/05/1995 |
| 5440346 | Mode selection for method and system for encoding images A similarity measure is generated as a function of a plurality of values corresponding to a region of an image. An encoding mode is then selected in accordance with the similarity measure and the region is encoded in accordance with the selected encoding ... | 08/08/1995 |
