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US 2008/0175318 A1Published application
Methods and Systems for Image Intra-Prediction Mode Management
AssigneeSharp Kabushiki Kaisha
InventorsShijun Sun, Louis Joseph Kerofsky
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Abstract
Embodiments of the present invention relate to methods and systems for ordering, communicating and applying pixel intra-prediction modes.
Claims2
A method for communicating a pixel prediction mode to a decoder, said method comprising:
- a) preparing a set of pixel prediction modes at an encoder and a decoder;
- b) determining an estimated pixel prediction mode at said encoder and said decoder, said estimated mode being a member of said set;
- c) determining an actual prediction mode at said encoder, said actual prediction mode being a member of said set;
- d) comparing said estimated mode to said actual mode;
- e) transmitting a first instruction, from said encoder to said decoder, to signify whether said estimated mode to be used;
- and
- f) transmitting a second instruction when said estimated mode is different from said actual prediction mode, from said encoder to said de-coder, to use another mode in said set other than said estimated mode.
4 more elements
A method for identifying a pixel prediction mode at a decoder, said method comprising:
- a) preparing a set of pixel prediction modes;
- b) identifying an estimated pixel prediction mode, said estimated mode being a member of said set;
- c) identifying an actual prediction mode, said actual prediction mode being a member of said set;
- d) being signaled with a first instruction to signify whether said estimated mode to be used;
- and
- e) being signaled with a second instruction when said estimated mode is different from said actual prediction mode to use another mode in said set other than said estimated mode.
3 more elements
Dependencies are inferred from the claim text.