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Title:
METHOD AND APPARATUS FOR ENCODING AND DECODING QUANTIZED TRANSFORM COEFFICIENTS
Document Type and Number:
WIPO Patent Application WO/2020/076049
Kind Code:
A1
Abstract:
The present disclosure relates to efficiently representing coefficients in a transform block. According to one aspect of the present disclosure, proposed is a set of modified syntax elements that represent validity information for coefficients, level information for valid coefficients, and sign information for valid coefficients. Representative drawing: figure 9

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Inventors:
KIM JAE IL (KR)
LEE SUN YOUNG (KR)
LEE SEUNG HO (KR)
Application Number:
PCT/KR2019/013186
Publication Date:
April 16, 2020
Filing Date:
October 08, 2019
Export Citation:
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Assignee:
SK TELECOM CO LTD (KR)
International Classes:
H04N19/70; H04N19/124
Foreign References:
US20160150234A12016-05-26
KR20170139560A2017-12-19
Other References:
CHOI, JUNG-AH ET AL.: "Throughput Improvement on CABAC for Depth Videos with Modified Level Coding", JOINT COLLABORATIVE TEAM ON 3D VIDEO CODING EXTENSION DEVELOPMENT OF ITU-T SG 16 WP 3 AND ISO/IEC JTC 1/SC 29/WG 11 . JCT3V-B0123. 2ND MEETING, 19 October 2012 (2012-10-19), Shanghai, CN, pages 1 - 6
SCHWARZ, HEIKO ET AL.: "Non-CE7: Alternative Entropy Coding for Dependent Quantization", JOINT VIDEO EXPERTS TEAM (JVET) OF ITU-T SG 16 WP 3 AND ISO/IEC JTC 1/SC 29/WG 11. JVET-K0072_V2. 11TH MEETING, 18 July 2018 (2018-07-18), Ljubljana, SI, pages 1 - 17
SCHWARZ, HEIKO ET AL.: "Description of Core Experiment 7 (CE 7): Quantization and coefficient coding", JOINT VIDEO EXPERTS TEAM (JVET) OF ITU-T SG 16 WP 3 AND ISO/IEC JTC 1/SC 29/WG 11. JVET-K1027_ V3. 11TH MEETING, 18 July 2018 (2018-07-18), Ljubljana, SI, pages 1 - 16
Attorney, Agent or Firm:
LEE, Chulhee (KR)
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