JP7509784B2 - 係数レベルのためのエスケープコーディング - Google Patents

係数レベルのためのエスケープコーディング Download PDF

Info

Publication number
JP7509784B2
JP7509784B2 JP2021538268A JP2021538268A JP7509784B2 JP 7509784 B2 JP7509784 B2 JP 7509784B2 JP 2021538268 A JP2021538268 A JP 2021538268A JP 2021538268 A JP2021538268 A JP 2021538268A JP 7509784 B2 JP7509784 B2 JP 7509784B2
Authority
JP
Japan
Prior art keywords
value
coefficients
level
transform
transform coefficient
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
JP2021538268A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2020142608A5 (https=
JP2022516132A (ja
JP2022516132A5 (https=
Inventor
ムハンマド・ゼイド・コバン
マルタ・カルチェヴィッチ
Original Assignee
クアルコム，インコーポレイテッド
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 クアルコム，インコーポレイテッド filed Critical クアルコム，インコーポレイテッド
Publication of JP2022516132A publication Critical patent/JP2022516132A/ja
Publication of JPWO2020142608A5 publication Critical patent/JPWO2020142608A5/ja
Publication of JP2022516132A5 publication Critical patent/JP2022516132A5/ja
Application granted granted Critical
Publication of JP7509784B2 publication Critical patent/JP7509784B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • H03M7/4031—Fixed length to variable length 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
    • H04N19/10—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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/169—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
    • H04N19/10—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
    • H04N19/184—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 bits, e.g. of the compressed video stream
    • 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
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/19—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding using optimisation based on Lagrange multipliers
    • 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
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2021538268A 2019-01-02 2020-01-02 係数レベルのためのエスケープコーディング Active JP7509784B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201962787707P 2019-01-02 2019-01-02
US62/787,707 2019-01-02
US16/732,008 2019-12-31
US16/732,008 US11477486B2 (en) 2019-01-02 2019-12-31 Escape coding for coefficient levels
PCT/US2020/012054 WO2020142608A1 (en) 2019-01-02 2020-01-02 Escape coding for coefficient levels

Publications (4)

Publication Number Publication Date
JP2022516132A JP2022516132A (ja) 2022-02-24
JPWO2020142608A5 JPWO2020142608A5 (https=) 2022-12-26
JP2022516132A5 JP2022516132A5 (https=) 2022-12-26
JP7509784B2 true JP7509784B2 (ja) 2024-07-02

Family

ID=71123535

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021538268A Active JP7509784B2 (ja) 2019-01-02 2020-01-02 係数レベルのためのエスケープコーディング

Country Status (9)

Country Link
US (2) US11477486B2 (https=)
EP (1) EP3906679A1 (https=)
JP (1) JP7509784B2 (https=)
KR (1) KR20210107018A (https=)
CN (1) CN113228654B (https=)
BR (1) BR112021011060A2 (https=)
SG (1) SG11202105292RA (https=)
TW (1) TWI856996B (https=)
WO (1) WO2020142608A1 (https=)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11477486B2 (en) 2019-01-02 2022-10-18 Qualcomm Incorporated Escape coding for coefficient levels
TWI737143B (zh) * 2019-01-25 2021-08-21 聯發科技股份有限公司 帶有變換塊級別約束的變換係數編碼的方法和設備
US11269645B2 (en) * 2020-03-11 2022-03-08 Western Digital Technologies, Inc. Storage system and method for implementing an encoder, decoder, and/or buffer using a field programmable gate array
WO2023060140A1 (en) * 2021-10-06 2023-04-13 Innopeak Technology, Inc. History-based rice parameter derivations for video coding
US11695965B1 (en) 2022-10-13 2023-07-04 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Video coding using a coded picture buffer
US12532014B2 (en) * 2023-04-20 2026-01-20 Tencent America LLC Context derivation for arithmetic coding of transform coefficients generated by non-separable transforms
WO2025075812A1 (en) * 2023-10-06 2025-04-10 Qualcomm Incorporated Coefficient coding context selection for video coding
WO2025148495A1 (en) * 2024-01-11 2025-07-17 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Method and apparatus for coefficient coding in video coding
WO2025155765A1 (en) * 2024-01-17 2025-07-24 Netflix, Inc. Techniques for avm coefficient encoding

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015516745A (ja) 2012-04-13 2015-06-11 キヤノン株式会社 符号化ビデオデータの変換単位のサブセットを符号化及び復号するための方法、装置及びシステム
JP2018529273A (ja) 2015-09-01 2018-10-04 クアルコム，インコーポレイテッド ビデオコーディングにおける係数レベルのコーディング

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070201554A1 (en) * 2006-02-24 2007-08-30 Samsung Electronics Co., Ltd. Video transcoding method and apparatus
US8213509B2 (en) * 2006-10-06 2012-07-03 Calos Fund Limited Liability Company Video coding on parallel processing systems
JP2008252230A (ja) * 2007-03-29 2008-10-16 Toshiba Corp 画像復号装置及び復号方法
US20130083856A1 (en) * 2011-06-29 2013-04-04 Qualcomm Incorporated Contexts for coefficient level coding in video compression
CN108235015A (zh) * 2011-11-08 2018-06-29 三星电子株式会社 用于对视频进行解码的设备
US10616581B2 (en) * 2012-01-19 2020-04-07 Huawei Technologies Co., Ltd. Modified coding for a transform skipped block for CABAC in HEVC
HRP20181467T1 (hr) * 2012-04-15 2018-11-02 Samsung Electronics Co., Ltd Postupak ažuriranja parametra za entropijsko dekodiranje razine koeficijenta konverzije, i uređaj za entropijsko dekodiranje razine koeficijenta konverzije koji koristi isti
GB2513111A (en) * 2013-04-08 2014-10-22 Sony Corp Data encoding and decoding
US10021419B2 (en) * 2013-07-12 2018-07-10 Qualcomm Incorported Rice parameter initialization for coefficient level coding in video coding process
GB2521828A (en) * 2013-12-23 2015-07-08 Sony Corp Data encoding and decoding
US9930348B2 (en) * 2014-03-14 2018-03-27 Qualcomm Incorporated Coefficient level coding in a video coding process
US10477204B2 (en) * 2014-06-20 2019-11-12 Sharp Kabushiki Kaisha Harmonized palette coding
JP6476900B2 (ja) * 2015-01-21 2019-03-06 富士通株式会社 動画像符号化装置、動画像符号化方法及び動画像符号化用コンピュータプログラム
EP3306924A1 (en) * 2016-10-05 2018-04-11 Thomson Licensing Method and device for context-adaptive binary arithmetic coding a sequence of binary symbols representing a syntax element related to picture data
US11477486B2 (en) 2019-01-02 2022-10-18 Qualcomm Incorporated Escape coding for coefficient levels
US10798397B2 (en) * 2019-01-02 2020-10-06 Tencent America LLC Method and apparatus for video coding
EP4085636A4 (en) * 2019-12-30 2024-01-24 Beijing Dajia Internet Information Technology Co., Ltd. RESIDUAL AND COEFFICIENT ENCODING FOR VIDEO CODING

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015516745A (ja) 2012-04-13 2015-06-11 キヤノン株式会社 符号化ビデオデータの変換単位のサブセットを符号化及び復号するための方法、装置及びシステム
JP2018529273A (ja) 2015-09-01 2018-10-04 クアルコム，インコーポレイテッド ビデオコーディングにおける係数レベルのコーディング

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
Draft text for JVET-L0274 (version B) [online]，JVET-L0274（JVET-L0274_DraftTextForVVC-versionB.docx）, [2024年1月25日検索]，インターネット ＜URL: https://jvet-experts.org/doc_end_user/documents/12_Macao/wg11/JVET-L0274-v3.zip＞，2018年10月03日
Heiko Schwarz et al.，CE7: Transform coefficient coding with reduced number of regular-coded bins (tests 7.1.3a, 7.1.3b) [online]，JVET-L0274-v3（JVET-L0274-v3 .docx）, [2024年1月25日検索]，インターネット ＜URL: URL: https://jvet-experts.org/doc_end_user/documents/12_Macao/wg11/JVET-L0274-v3 .zip＞，2018年10月03日
Muhammed Coban et al.，CE7-related: Golomb-Rice/exponential Golomb coding for abs_remainder and dec_abs_level syntax elements [online]，JVET-M0470（JVET-M0470.docx）, [2024年1月25日検索]，インターネット ＜URL: https://jvet-experts.org/doc_end_user/documents/13_Marrakech/wg11/JVET-M0470-v1.zip＞，2019年01月03日

Also Published As

Publication number Publication date
US20200213623A1 (en) 2020-07-02
JP2022516132A (ja) 2022-02-24
CN113228654A (zh) 2021-08-06
SG11202105292RA (en) 2021-07-29
TWI856996B (zh) 2024-10-01
US20220417563A1 (en) 2022-12-29
CN113228654B (zh) 2025-01-10
TW202032993A (zh) 2020-09-01
US11477486B2 (en) 2022-10-18
WO2020142608A1 (en) 2020-07-09
KR20210107018A (ko) 2021-08-31
US11785259B2 (en) 2023-10-10
BR112021011060A2 (pt) 2021-08-31
EP3906679A1 (en) 2021-11-10

Similar Documents

Publication Publication Date Title
TWI826519B (zh) 用於係數寫碼之規則寫碼位元子之減少
JP7369191B2 (ja) しきい値とライスパラメータとを使用した係数復号のための正規コード化ビン低減
JP7633174B2 (ja) 変換スキップモードのための係数コーディング
JP7509784B2 (ja) 係数レベルのためのエスケープコーディング
TWI827662B (zh) 用於係數寫碼之規則寫碼位元子之減少
CN116458156A (zh) 视频译码中的基于上下文的变换索引信令
HK40051990A (en) Regular coded bin reduction for coefficient decoding using threshold and rice parameter
HK40058472B (zh) 系数级别转义编解码
HK40051990B (zh) 使用阈值和莱斯参数进行系数解码的常规编译码二进制位缩减
HK40058472A (en) Escape coding for coefficient levels
HK40045696B (en) Method and device for coding and decoding video data
HK40045696A (en) Method and device for coding and decoding video data
HK40046176A (en) Regular coded bin reduction for coefficient coding using threshold and rice parameter

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20221216

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20221216

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20240131

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20240205

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20240426

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: 20240527

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20240620