Invention Grant
- Patent Title: Method and device for entropy encoding coefficient level, and method and device for entropy decoding coefficient level
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Application No.: US17293351Application Date: 2019-11-12
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Publication No.: US11743467B2Publication Date: 2023-08-29
- Inventor: Yinji Piao , Gahyun Ryu , Minsoo Park , Minwoo Park , Seungsoo Jeong , Kiho Choi , Narae Choi , Woongil Choi , Anish Tamse
- Applicant: SAMSUNG ELECTRONICS CO., LTD.
- Applicant Address: KR Suwon-si
- Assignee: SAMSUNG ELECTRONICS CO., LTD.
- Current Assignee: SAMSUNG ELECTRONICS CO., LTD.
- Current Assignee Address: KR Suwon-si
- Agency: Sughrue Mion, PLLC
- International Application: PCT/KR2019/015308 2019.11.12
- International Announcement: WO2020/101313A 2020.05.22
- Date entered country: 2021-05-12
- Main IPC: H04N19/13
- IPC: H04N19/13 ; H04N19/18 ; H04N19/70 ; H04N19/91 ; H03M7/40
Abstract:
Provided is a method of decoding coefficients included in image data, the method including determining a Rice parameter for a current coefficient, based on a base level of the current coefficient; parsing coefficient level information indicating a size of the current coefficient from a bitstream by using the determined Rice parameter; and identifying the size of the current coefficient by de-binarizing the coefficient level information by using the determined Rice parameter.
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