ENCODING VIDEO USING PALETTE PREDICTION AND INTRA-BLOCK COPY

ENCODING VIDEO USING PALETTE PREDICTION AND INTRA-BLOCK COPY

A system for video encoding is described herein. The system includes a processor to execute a multi-pass palette search and mapping on a video frame to generate palette candidates. The processor is to execute an intra block copy prediction on the video frame to generate intra-block-copy candidates....

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Bibliographische Detailangaben
Hauptverfasser: Ryzhov, Dmitry E, Embar Raghukrishnan, Srinivasan, Zhang, Wenhao, Holland, James M, Xu, Lidong, Yedidi, Satya N
Format: Patent
Sprache:eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
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Beschreibung
Zusammenfassung:A system for video encoding is described herein. The system includes a processor to execute a multi-pass palette search and mapping on a video frame to generate palette candidates. The processor is to execute an intra block copy prediction on the video frame to generate intra-block-copy candidates. The processor is to also calculate a rate distortion optimization (RDO) cost for a set of generated residuals, the palette candidates, and the intra-block-copy candidates. The processor is to further also execute a final mode decision based on a comparison of the rate distortion optimization (RDO) costs.