Invention Grant
- Patent Title: Image coding apparatus, image coding method, and recording medium thereof, image decoding apparatus, and image decoding method, and recording medium thereof
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Application No.: US14076019Application Date: 2013-11-08
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Publication No.: US09609316B2Publication Date: 2017-03-28
- Inventor: Satoshi Naito
- Applicant: CANON KABUSHIKI KAISHA
- Applicant Address: JP Tokyo
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Canon USA, Inc. I.P. Division
- Priority: JP2012-248312 20121112
- Main IPC: H04N19/174
- IPC: H04N19/174 ; H04N19/13 ; H04N19/136 ; H04N19/436

Abstract:
To prevent deterioration in performance that is caused by the processing for copying a context parameter between memories, an image processing apparatus writes an updated context parameter into context memories corresponding to respective entropy coding units and into a shared context memory, until it completes encoding processing for M blocks positioned on the left side of a slice.
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