Invention Grant
- Patent Title: Parallel entropy coding and decoding methods and devices
- Patent Title (中): 并行熵编码和解码方法和设备
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Application No.: US12707797Application Date: 2010-02-18
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Publication No.: US08487791B2Publication Date: 2013-07-16
- Inventor: Gergely Ferenc Korodi , Dake He , En-Hui Yang
- Applicant: Gergely Ferenc Korodi , Dake He , En-Hui Yang
- Applicant Address: CA Waterloo, Ontario
- Assignee: Research In Motion Limited
- Current Assignee: Research In Motion Limited
- Current Assignee Address: CA Waterloo, Ontario
- Agency: Rowand LLP
- Main IPC: H03M7/00
- IPC: H03M7/00
Abstract:
A method for entropy coding data using parallel entropy coders to encode an input sequence as a plurality of encoded subsequences, which are then combined to form an output bitstream. The input sequence is separated into subsequences on the basis of a context model. A method for entropy decoding a bitstream of encoded data by extracting a plurality of encoded subsequences from the bitstream and entropy decoding the encoded subsequences in parallel to generate a plurality of decoded subsequences, which are then interleaved based on a context model to produce a reconstructed sequence.
Public/Granted literature
- US20110200104A1 PARALLEL ENTROPY CODING AND DECODING METHODS AND DEVICES Public/Granted day:2011-08-18
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