JP7222997B2 - 変換係数レベルコーディング方法およびその装置 - Google Patents

変換係数レベルコーディング方法およびその装置 Download PDF

Info

Publication number
JP7222997B2
JP7222997B2 JP2020526968A JP2020526968A JP7222997B2 JP 7222997 B2 JP7222997 B2 JP 7222997B2 JP 2020526968 A JP2020526968 A JP 2020526968A JP 2020526968 A JP2020526968 A JP 2020526968A JP 7222997 B2 JP7222997 B2 JP 7222997B2
Authority
JP
Japan
Prior art keywords
flag
transform coefficient
level
parity
encoding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP2020526968A
Other languages
English (en)
Japanese (ja)
Other versions
JP2021503247A5 (https=
JP2021503247A (ja
Inventor
チュンカ チェ
ソンファン キム
ソンミ ユ
チャンウォン チェ
チン ホ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of JP2021503247A publication Critical patent/JP2021503247A/ja
Publication of JP2021503247A5 publication Critical patent/JP2021503247A5/ja
Priority to JP2023015055A priority Critical patent/JP7682219B2/ja
Application granted granted Critical
Publication of JP7222997B2 publication Critical patent/JP7222997B2/ja
Priority to JP2025014949A priority patent/JP7775509B2/ja
Priority to JP2025140977A priority patent/JP2025170001A/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/513—Processing of motion vectors
    • 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
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • 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
    • H04N19/124—Quantisation
    • 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
    • H04N19/102—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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • 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
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
JP2020526968A 2018-09-20 2019-09-20 変換係数レベルコーディング方法およびその装置 Active JP7222997B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2023015055A JP7682219B2 (ja) 2018-09-20 2023-02-03 変換係数レベルコーディング方法およびその装置
JP2025014949A JP7775509B2 (ja) 2018-09-20 2025-01-31 変換係数レベルコーディング方法およびその装置
JP2025140977A JP2025170001A (ja) 2018-09-20 2025-08-27 変換係数レベルコーディング方法およびその装置

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201862734233P 2018-09-20 2018-09-20
US62/734,233 2018-09-20
US201862734266P 2018-09-21 2018-09-21
US62/734,266 2018-09-21
PCT/KR2019/012226 WO2020060282A1 (ko) 2018-09-20 2019-09-20 변환 계수 레벨 코딩 방법 및 그 장치

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2023015055A Division JP7682219B2 (ja) 2018-09-20 2023-02-03 変換係数レベルコーディング方法およびその装置

Publications (3)

Publication Number Publication Date
JP2021503247A JP2021503247A (ja) 2021-02-04
JP2021503247A5 JP2021503247A5 (https=) 2021-10-28
JP7222997B2 true JP7222997B2 (ja) 2023-02-15

Family

ID=69887664

Family Applications (4)

Application Number Title Priority Date Filing Date
JP2020526968A Active JP7222997B2 (ja) 2018-09-20 2019-09-20 変換係数レベルコーディング方法およびその装置
JP2023015055A Active JP7682219B2 (ja) 2018-09-20 2023-02-03 変換係数レベルコーディング方法およびその装置
JP2025014949A Active JP7775509B2 (ja) 2018-09-20 2025-01-31 変換係数レベルコーディング方法およびその装置
JP2025140977A Pending JP2025170001A (ja) 2018-09-20 2025-08-27 変換係数レベルコーディング方法およびその装置

Family Applications After (3)

Application Number Title Priority Date Filing Date
JP2023015055A Active JP7682219B2 (ja) 2018-09-20 2023-02-03 変換係数レベルコーディング方法およびその装置
JP2025014949A Active JP7775509B2 (ja) 2018-09-20 2025-01-31 変換係数レベルコーディング方法およびその装置
JP2025140977A Pending JP2025170001A (ja) 2018-09-20 2025-08-27 変換係数レベルコーディング方法およびその装置

Country Status (8)

Country Link
US (4) US11095897B2 (https=)
EP (1) EP3691272A4 (https=)
JP (4) JP7222997B2 (https=)
KR (4) KR102448535B1 (https=)
CN (3) CN116723334A (https=)
BR (1) BR112021005152A2 (https=)
MX (3) MX2021003245A (https=)
WO (1) WO2020060282A1 (https=)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117201787A (zh) 2018-09-11 2023-12-08 Lg电子株式会社 图像解码方法、图像编码方法和比特流发送方法
PL3843402T3 (pl) 2018-09-21 2024-06-24 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Sposób kodowania/dekodowania sygnału obrazu i urządzenie do nich
KR102795463B1 (ko) * 2018-09-24 2025-04-15 프라운호퍼-게젤샤프트 추르 푀르데룽 데어 안제반텐 포르슝 에 파우 종속 스칼라 양자화를 사용하거나 이와 조합하는 데에 적합한 변환 계수의 효율적인 코딩
KR102755805B1 (ko) * 2018-10-05 2025-01-21 비보 모바일 커뮤니케이션 컴퍼니 리미티드 변환 계수 코딩 방법 및 그 장치
CN113316934B (zh) * 2019-01-25 2024-03-08 寰发股份有限公司 带有变换块级别约束的变换系数编码的方法和设备
CA3178729A1 (en) * 2020-03-31 2021-10-07 Lg Electronics Inc. Image decoding method for coding image information including tsrc available flag, and device therefor
FR3113219B1 (fr) * 2020-07-29 2022-07-29 Sagemcom Energy & Telecom Sas Procédé de transmission de mesures permettant de réduire la charge du réseau
CN116095329A (zh) * 2021-02-21 2023-05-09 腾讯科技（深圳）有限公司 视频编解码方法、装置、计算机可读介质及电子设备

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015507424A (ja) 2012-01-17 2015-03-05 クゥアルコム・インコーポレイテッドＱｕａｌｃｏｍｍ Ｉｎｃｏｒｐｏｒａｔｅｄ Ｃａｂａｃ係数レベルコーディングのためのスループット改善
WO2020007785A1 (en) 2018-07-02 2020-01-09 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Entropy coding of transform coefficients suitable for dependent scalar quantization
WO2020038465A1 (en) 2018-08-24 2020-02-27 Mediatek Inc. Coding transform coefficients with throughput constraints
WO2020038311A1 (en) 2018-08-22 2020-02-27 Mediatek Inc. Method and apparatus of transform coefficient coding
WO2020051324A1 (en) 2018-09-05 2020-03-12 Qualcomm Incorporated Regular coded bin reduction for coefficient coding using threshold and rice parameter

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10304353A (ja) * 1997-02-27 1998-11-13 Matsushita Electric Ind Co Ltd オブジェクトデータ処理装置，オブジェクトデータ記録装置，データ記憶媒体，及び伝送用データ構造
KR101762294B1 (ko) * 2011-10-18 2017-07-28 주식회사 케이티 영상 부호화 방법, 영상 복호화 방법, 영상 부호화기 및 영상 복호화기
US9503717B2 (en) 2012-01-09 2016-11-22 Texas Instruments Incorporated Context adaptive binary arithmetic coding (CABAC) with scalable throughput and coding efficiency
RU2632409C1 (ru) * 2012-04-15 2017-10-04 Самсунг Электроникс Ко., Лтд. Способ обновления параметров для энтропийного кодирования и декодирования уровня коэффициентов преобразования, а также устройство энтропийного кодирования и устройство энтропийного декодирования уровня коэффициентов преобразования с его использованием
KR102073399B1 (ko) * 2012-06-22 2020-02-05 벨로스 미디어 인터내셔널 리미티드 화상 부호화 방법, 화상 복호 방법, 화상 부호화 장치, 화상 복호 장치 및 화상 부호화 복호 장치
US9088769B2 (en) 2012-06-28 2015-07-21 Blackberry Limited Reduced worst-case context-coded bins in video compression with parity hiding
US9930348B2 (en) * 2014-03-14 2018-03-27 Qualcomm Incorporated Coefficient level coding in a video coding process
KR102333000B1 (ko) * 2015-01-15 2021-12-01 한국전자통신연구원 고속 변환 계수 부호화 방법 및 장치
US11516493B2 (en) * 2018-09-11 2022-11-29 Sharp Kabushiki Kaisha Systems and methods for coding transform coefficient level values

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015507424A (ja) 2012-01-17 2015-03-05 クゥアルコム・インコーポレイテッドＱｕａｌｃｏｍｍ Ｉｎｃｏｒｐｏｒａｔｅｄ Ｃａｂａｃ係数レベルコーディングのためのスループット改善
WO2020007785A1 (en) 2018-07-02 2020-01-09 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Entropy coding of transform coefficients suitable for dependent scalar quantization
WO2020038311A1 (en) 2018-08-22 2020-02-27 Mediatek Inc. Method and apparatus of transform coefficient coding
WO2020038465A1 (en) 2018-08-24 2020-02-27 Mediatek Inc. Coding transform coefficients with throughput constraints
WO2020051324A1 (en) 2018-09-05 2020-03-12 Qualcomm Incorporated Regular coded bin reduction for coefficient coding using threshold and rice parameter

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Heiko Schwarz et al.，Non-CE7: Alternative Entropy Coding for Dependent Quantization，Joint Video Experts Team (JVET)，2018年07月16日，[JVET-K0072-v2] (version 5)

Also Published As

Publication number Publication date
KR20230175339A (ko) 2023-12-29
KR20200055084A (ko) 2020-05-20
JP2023041886A (ja) 2023-03-24
KR102448535B1 (ko) 2022-09-28
MX2021003245A (es) 2021-05-12
US20200252616A1 (en) 2020-08-06
MX2024010612A (es) 2024-09-06
MX2024010611A (es) 2024-09-06
EP3691272A4 (en) 2021-03-10
CN116723334A (zh) 2023-09-08
US12160581B2 (en) 2024-12-03
US11490088B2 (en) 2022-11-01
KR102616533B1 (ko) 2023-12-20
JP7775509B2 (ja) 2025-11-25
KR20220133330A (ko) 2022-10-04
US20230308653A1 (en) 2023-09-28
JP7682219B2 (ja) 2025-05-23
US11095897B2 (en) 2021-08-17
CN111373753B (zh) 2023-09-08
JP2025065207A (ja) 2025-04-17
KR20250107962A (ko) 2025-07-14
CN116708825A (zh) 2023-09-05
KR102830067B1 (ko) 2025-07-03
WO2020060282A1 (ko) 2020-03-26
BR112021005152A2 (pt) 2021-06-15
CN111373753A (zh) 2020-07-03
US11706419B2 (en) 2023-07-18
JP2021503247A (ja) 2021-02-04
US20230023002A1 (en) 2023-01-26
US20210337206A1 (en) 2021-10-28
JP2025170001A (ja) 2025-11-14
EP3691272A1 (en) 2020-08-05

Similar Documents

Publication Publication Date Title
JP7222997B2 (ja) 変換係数レベルコーディング方法およびその装置
KR102874417B1 (ko) 변환 계수 코딩 방법 및 그 장치
KR102945460B1 (ko) 영상 코딩 시스템에서 레지듀얼 코딩 방법에 대한 플래그를 사용하는 영상 디코딩 방법 및 그 장치
KR102814547B1 (ko) 영상 코딩 시스템에서 단순화된 레지듀얼 데이터 코딩을 사용하는 영상 디코딩 방법 및 그 장치
KR102472944B1 (ko) 변환 계수 코딩 방법 및 그 장치
KR20210060498A (ko) 변환 계수 코딩 방법 및 장치
KR20240168964A (ko) 영상 코딩 시스템에서 레지듀얼 정보를 코딩하는 방법 및 장치

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20200515

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20210617

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20210629

A524 Written submission of copy of amendment under article 19 pct

Free format text: JAPANESE INTERMEDIATE CODE: A524

Effective date: 20210916

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20211019

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20220119

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20220607

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20220906

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20221206

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20230105

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20230203

R150 Certificate of patent or registration of utility model

Ref document number: 7222997

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313113

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350