KR102653848B1 - 비디오 복호화 방법 및 그 장치 및 비디오 부호화 방법 및 그 장치 - Google Patents

비디오 복호화 방법 및 그 장치 및 비디오 부호화 방법 및 그 장치 Download PDF

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KR102653848B1
KR102653848B1 KR1020207011249A KR20207011249A KR102653848B1 KR 102653848 B1 KR102653848 B1 KR 102653848B1 KR 1020207011249 A KR1020207011249 A KR 1020207011249A KR 20207011249 A KR20207011249 A KR 20207011249A KR 102653848 B1 KR102653848 B1 KR 102653848B1
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coding unit
coefficient
video decoding
current
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KR1020207011249A
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Korean (ko)
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KR20200088297A (ko
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표인지
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삼성전자주식회사
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/18—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a set of transform coefficients

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020207011249A 2017-12-13 2018-03-30 비디오 복호화 방법 및 그 장치 및 비디오 부호화 방법 및 그 장치 KR102653848B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201762598002P 2017-12-13 2017-12-13
US62/598,002 2017-12-13
PCT/KR2018/003820 WO2019117402A1 (ko) 2017-12-13 2018-03-30 비디오 복호화 방법 및 그 장치 및 비디오 부호화 방법 및 그 장치

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KR20200088297A KR20200088297A (ko) 2020-07-22
KR102653848B1 true KR102653848B1 (ko) 2024-04-02

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KR (1) KR102653848B1 (zh)
CN (3) CN111788830B (zh)
WO (1) WO2019117402A1 (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3664449A1 (en) * 2018-12-05 2020-06-10 InterDigital VC Holdings, Inc. Method and device for picture encoding and decoding
CN112887727B (zh) * 2019-11-29 2023-06-13 腾讯美国有限责任公司 视频编解码方法和电子设备
WO2023193260A1 (zh) * 2022-04-08 2023-10-12 Oppo广东移动通信有限公司 编解码方法、码流、编码器、解码器以及存储介质

Citations (1)

* Cited by examiner, † Cited by third party
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WO2016196369A1 (en) * 2015-05-29 2016-12-08 Qualcomm Incorporated Coding data using an enhanced context-adaptive binary arithmetic coding (cabac) design

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100927733B1 (ko) * 2006-09-20 2009-11-18 한국전자통신연구원 잔여계수의 상관성에 따라 변환기를 선택적으로 이용한부호화/복호화 장치 및 그 방법
DK3101901T3 (en) * 2010-07-09 2017-09-18 Samsung Electronics Co Ltd Method of entropy decoding transformation coefficients
GB2492333B (en) * 2011-06-27 2018-12-12 British Broadcasting Corp Video encoding and decoding using transforms
JP5733590B2 (ja) * 2011-07-15 2015-06-10 モトローラ モビリティ エルエルシーＭｏｔｏｒｏｌａ Ｍｏｂｉｌｉｔｙ Ｌｌｃ 変換係数レベルを符号化するコンテキストモデリング技法
EP2735154A1 (en) * 2011-07-22 2014-05-28 Motorola Mobility LLC Device and methods for scanning rectangular-shaped transforms in video coding
US9866829B2 (en) * 2012-01-22 2018-01-09 Qualcomm Incorporated Coding of syntax elements that correspond to coefficients of a coefficient block in video coding
US9621921B2 (en) * 2012-04-16 2017-04-11 Qualcomm Incorporated Coefficient groups and coefficient coding for coefficient scans
EP3293975A4 (en) * 2015-09-08 2018-10-10 Samsung Electronics Co., Ltd. Device and method for entropy encoding and decoding

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016196369A1 (en) * 2015-05-29 2016-12-08 Qualcomm Incorporated Coding data using an enhanced context-adaptive binary arithmetic coding (cabac) design

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Publication number Publication date
CN116132674A (zh) 2023-05-16
CN116132673A (zh) 2023-05-16
CN111788830B (zh) 2023-04-04
WO2019117402A1 (ko) 2019-06-20
CN111788830A (zh) 2020-10-16
KR20200088297A (ko) 2020-07-22

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