Shumaker & Sieffert, P.A.
Memory and bandwidth reduction of stored data in image/video coding
A device for processing video data stores one or more context statuses for a binary arithmetic coder at a bit depth of K; initializes an N-bit binary arithmetic coder with values for context variables for one of the one or more stored context statuses from previously coded blocks; codes the one or more blocks of the video data with the initialized N-bit binary arithmetic coder, wherein N and K are both positive integer values and K is smaller than N. A device for processing video data determines a set of one or more fixed filters with K-bit precision and determines a set of one or more derived filters with N-bit precision based on the set of one or more fixed filters with K-bit precision, wherein K and N are integers and K is less than N.
Qualcomm Incorporated
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Marta Jianle Xiang Li
Karczewicz Chen Li Zhang