JPWO2020255578A1 - - Google Patents

Info

Publication number
JPWO2020255578A1
JPWO2020255578A1 JP2021527441A JP2021527441A JPWO2020255578A1 JP WO2020255578 A1 JPWO2020255578 A1 JP WO2020255578A1 JP 2021527441 A JP2021527441 A JP 2021527441A JP 2021527441 A JP2021527441 A JP 2021527441A JP WO2020255578 A1 JPWO2020255578 A1 JP WO2020255578A1
Authority
JP
Japan
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.)
Pending
Application number
JP2021527441A
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 filed Critical
Publication of JPWO2020255578A1 publication Critical patent/JPWO2020255578A1/ja
Pending legal-status Critical Current

Links

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
    • H04N19/10—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
    • H04N19/102—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
    • H04N19/10—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
    • H04N19/134—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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • 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
    • H04N19/625—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
    • 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)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2021527441A 2019-06-19 2020-05-08 Pending JPWO2020255578A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962863396P 2019-06-19 2019-06-19
PCT/JP2020/018617 WO2020255578A1 (ja) 2019-06-19 2020-05-08 画像処理装置および方法

Publications (1)

Publication Number Publication Date
JPWO2020255578A1 true JPWO2020255578A1 (ja) 2020-12-24

Family

ID=74037231

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021527441A Pending JPWO2020255578A1 (ja) 2019-06-19 2020-05-08

Country Status (7)

Country Link
US (2) US11973948B2 (ja)
EP (1) EP3989563A4 (ja)
JP (1) JPWO2020255578A1 (ja)
KR (1) KR20220021486A (ja)
CN (1) CN113940072A (ja)
TW (1) TW202116067A (ja)
WO (1) WO2020255578A1 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11924471B2 (en) * 2020-11-12 2024-03-05 Qualcomm Incorporated Context-based transform index signaling in video coding

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0506394A2 (en) * 1991-03-29 1992-09-30 Sony Corporation Coding apparatus for digital signals
JP3185413B2 (ja) * 1992-11-25 2001-07-09 ソニー株式会社 直交変換演算並びに逆直交変換演算方法及びその装置、ディジタル信号符号化及び／又は復号化装置
TWI273832B (en) * 2002-04-26 2007-02-11 Ntt Docomo Inc Image encoding device, image decoding device, image encoding method, image decoding method, image decoding program and image decoding program
EP2081386A1 (en) * 2008-01-18 2009-07-22 Panasonic Corporation High precision edge prediction for intracoding
US8913666B2 (en) * 2010-10-01 2014-12-16 Qualcomm Incorporated Entropy coding coefficients using a joint context model
JP5664762B2 (ja) * 2011-03-17 2015-02-04 富士通株式会社 動画像復号方法、動画像符号化方法、動画像復号装置及び動画像復号プログラム
JP6822470B2 (ja) * 2016-05-13 2021-01-27 ソニー株式会社 画像処理装置および方法
EP3270595A1 (en) * 2016-07-15 2018-01-17 Thomson Licensing Method and apparatus for last coefficient coding for adaptive transform based video compression
US10827186B2 (en) * 2016-08-25 2020-11-03 Intel Corporation Method and system of video coding with context decoding and reconstruction bypass
US10554977B2 (en) * 2017-02-10 2020-02-04 Intel Corporation Method and system of high throughput arithmetic entropy coding for video coding
JP7334730B2 (ja) * 2018-03-30 2023-08-29 ソニーグループ株式会社 画像処理装置および方法

Also Published As

Publication number Publication date
CN113940072A (zh) 2022-01-14
EP3989563A4 (en) 2022-12-07
WO2020255578A1 (ja) 2020-12-24
US11973948B2 (en) 2024-04-30
KR20220021486A (ko) 2022-02-22
US20240171746A1 (en) 2024-05-23
TW202116067A (zh) 2021-04-16
US20220201305A1 (en) 2022-06-23
EP3989563A1 (en) 2022-04-27

Similar Documents

Publication Publication Date Title
BR112019017762A2 (ja)
BR112021017339A2 (ja)
BR112021013854A2 (ja)
BR112021017892A2 (ja)
BR112019016141A2 (ja)
AU2020104490A4 (ja)
BR112021017939A2 (ja)
BR112021017738A2 (ja)
BR112021017782A2 (ja)
BR112019016142A2 (ja)
BR112019016138A2 (ja)
BR112021017728A2 (ja)
BR112021017234A2 (ja)
BR112021017355A2 (ja)
BR112021017173A2 (ja)
BR112021017083A2 (ja)
BR112021017637A2 (ja)
BR112021008711A2 (ja)
BR112021012348A2 (ja)
BR112021018084A2 (ja)
BR112021018093A2 (ja)
BR112021017703A2 (ja)
BR112021013944A2 (ja)
BR112021013128A2 (ja)
BR112021017732A2 (ja)

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20230317

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20240206

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20240401

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20240423