JPWO2020241858A1 - - Google Patents

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Publication number
JPWO2020241858A1
JPWO2020241858A1 JP2021521890A JP2021521890A JPWO2020241858A1 JP WO2020241858 A1 JPWO2020241858 A1 JP WO2020241858A1 JP 2021521890 A JP2021521890 A JP 2021521890A JP 2021521890 A JP2021521890 A JP 2021521890A JP WO2020241858 A1 JPWO2020241858 A1 JP WO2020241858A1
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JP
Japan
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JP2021521890A
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JPWO2020241858A5 (ja
JP7461347B2 (ja
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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
    • H04N19/12—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
    • 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
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • 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
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136—Incoming video signal characteristics or properties
    • 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
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • 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
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • 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
    • H04N19/70—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
    • H04N19/10—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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
    • 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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
JP2021521890A 2019-05-30 2020-05-29 画像復号装置、画像符号化装置、画像復号方法及び画像符号化方法 Active JP7461347B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019101179 2019-05-30
JP2019101179 2019-05-30
PCT/JP2020/021432 WO2020241858A1 (ja) 2019-05-30 2020-05-29 画像復号装置

Publications (3)

Publication Number Publication Date
JPWO2020241858A1 true JPWO2020241858A1 (ja) 2020-12-03
JPWO2020241858A5 JPWO2020241858A5 (ja) 2023-05-26
JP7461347B2 JP7461347B2 (ja) 2024-04-03

Family

ID=73552590

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021521890A Active JP7461347B2 (ja) 2019-05-30 2020-05-29 画像復号装置、画像符号化装置、画像復号方法及び画像符号化方法

Country Status (5)

Country Link
US (1) US20220232255A1 (ja)
EP (1) EP3979642A4 (ja)
JP (1) JP7461347B2 (ja)
CN (1) CN113892265A (ja)
WO (1) WO2020241858A1 (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112601084A (zh) * 2017-06-28 2021-04-02 华为技术有限公司 一种图像数据的编码、解码方法及装置
US11252410B2 (en) * 2019-06-11 2022-02-15 Tencent America LLC Method and apparatus for video coding
WO2023100970A1 (ja) * 2021-12-03 2023-06-08 シャープ株式会社 動画像復号装置および動画像符号化装置

Family Cites Families (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05308622A (ja) * 1992-04-28 1993-11-19 Mitsubishi Electric Corp 画像符号化・復号化装置
US6266370B1 (en) * 1996-09-03 2001-07-24 Nippon Telegraph And Telephone Corporation Brightness-variation compensation method and coding/decoding apparatus for moving pictures
KR100281099B1 (ko) * 1997-07-30 2001-04-02 구자홍 동영상의부호화에따른블록화현상제거방법
US7239755B1 (en) * 1997-07-30 2007-07-03 Lg Electronics Inc. Method of reducing a blocking artifact when coding moving picture
US6295320B1 (en) * 1997-12-31 2001-09-25 Lg Electronics Inc. Inverse discrete cosine transforming system for digital television receiver
US6263021B1 (en) * 1998-09-18 2001-07-17 Sarnoff Corporation Treating non-zero quantized transform coefficients as zeros during video compression processing
AUPQ668500A0 (en) * 2000-04-04 2000-05-04 Canon Kabushiki Kaisha Accessing items of information
KR100561398B1 (ko) * 2003-06-10 2006-03-16 삼성전자주식회사 동화상 내 구획별로 휘도 변화를 검출하고 보상하는 장치 및 방법
KR100565308B1 (ko) * 2003-11-24 2006-03-30 엘지전자 주식회사 에스엔알 스케일러빌리티를 위한 동영상 부호화 및 복호화 장치
US20050281332A1 (en) * 2004-06-22 2005-12-22 Wai-Ming Lai Transform coefficient decoding
CN101057293B (zh) * 2004-11-08 2010-05-26 皇家飞利浦电子股份有限公司 从记录载体进行比特检测的方法和数据检测设备
US7720299B2 (en) * 2005-05-10 2010-05-18 The Aerospace Corporation Compressed data multiple description transmission and resolution conversion system
JP4856954B2 (ja) * 2005-06-08 2012-01-18 パナソニック株式会社 画像符号化装置
JP2009524101A (ja) * 2006-01-18 2009-06-25 エルジー エレクトロニクス インコーポレイティド 符号化／復号化装置及び方法
US20080071846A1 (en) * 2006-09-14 2008-03-20 Texas Instruments Incorporated Processor Architecture for Programmable Digital Filters in a Multi-Standard Integrated Circuit
JP4806464B2 (ja) * 2007-03-29 2011-11-02 富士通株式会社 画像圧縮装置、画像圧縮方法、画像復元装置、及びプログラム
WO2008147125A1 (en) * 2007-05-29 2008-12-04 Lg Electronics Inc. A method and an apparatus for processing a video signal
KR101712915B1 (ko) * 2007-10-16 2017-03-07 엘지전자 주식회사 비디오 신호 처리 방법 및 장치
US20110116539A1 (en) * 2009-11-13 2011-05-19 Freescale Semiconductor, Inc. Method and apparatus for video decoding with reduced complexity inverse transform
US9215470B2 (en) * 2010-07-09 2015-12-15 Qualcomm Incorporated Signaling selected directional transform for video coding
WO2012070866A2 (ko) * 2010-11-24 2012-05-31 엘지전자 주식회사 스피치 시그널 부호화 방법 및 복호화 방법
JP5552092B2 (ja) * 2011-06-13 2014-07-16 日本電信電話株式会社 動画像符号化装置、動画像符号化方法及び動画像符号化プログラム
US9496886B2 (en) * 2011-06-16 2016-11-15 Spatial Digital Systems, Inc. System for processing data streams
AU2013206815A1 (en) * 2013-07-11 2015-03-05 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding video data
CN107211146A (zh) * 2014-11-21 2017-09-26 Vid拓展公司 一维变换模式和系数扫描顺序
US10520916B1 (en) * 2015-06-01 2019-12-31 Richard A Gros & Associates, Inc. Control systems
US10491922B2 (en) * 2015-09-29 2019-11-26 Qualcomm Incorporated Non-separable secondary transform for video coding
US9721582B1 (en) * 2016-02-03 2017-08-01 Google Inc. Globally optimized least-squares post-filtering for speech enhancement
US9998746B2 (en) * 2016-02-10 2018-06-12 Amazon Technologies, Inc. Video decoder memory optimization
CN113411580B (zh) * 2016-05-13 2024-01-30 夏普株式会社 图像解码装置及其方法、图像编码装置及其方法
WO2018119609A1 (zh) * 2016-12-26 2018-07-05 华为技术有限公司 一种基于模板匹配的编解码方法及装置
US10812797B2 (en) * 2018-02-05 2020-10-20 Tencent America LLC Method, apparatus and medium for decoding or encoding using a low-complexity transform
KR102030384B1 (ko) * 2018-06-19 2019-11-08 광운대학교 산학협력단 잔차 계수 부호화/복호화 방법 및 장치

Also Published As

Publication number Publication date
US20220232255A1 (en) 2022-07-21
WO2020241858A1 (ja) 2020-12-03
EP3979642A4 (en) 2023-04-05
JP7461347B2 (ja) 2024-04-03
CN113892265A (zh) 2022-01-04
EP3979642A1 (en) 2022-04-06

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