JP6287035B2 - 復号装置および復号方法 - Google Patents

復号装置および復号方法 Download PDF

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JP6287035B2
JP6287035B2 JP2013214118A JP2013214118A JP6287035B2 JP 6287035 B2 JP6287035 B2 JP 6287035B2 JP 2013214118 A JP2013214118 A JP 2013214118A JP 2013214118 A JP2013214118 A JP 2013214118A JP 6287035 B2 JP6287035 B2 JP 6287035B2
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unit
image
decoding
encoding
data
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JP2015076859A (ja
JP2015076859A5 (OSRAM
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佐藤　数史
数史 佐藤
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Sony Corp
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Sony Corp
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Priority to JP2013214118A priority Critical patent/JP6287035B2/ja
Priority to TW103134265A priority patent/TWI684351B/zh
Priority to CN201480054820.7A priority patent/CN105900424B/zh
Priority to PCT/JP2014/005027 priority patent/WO2015052898A1/en
Priority to KR1020167005758A priority patent/KR102242722B1/ko
Priority to EP14795676.7A priority patent/EP3039869B1/en
Priority to KR1020217011012A priority patent/KR102338523B1/ko
Priority to US15/023,156 priority patent/US10687060B2/en
Publication of JP2015076859A publication Critical patent/JP2015076859A/ja
Publication of JP2015076859A5 publication Critical patent/JP2015076859A5/ja
Application granted granted Critical
Publication of JP6287035B2 publication Critical patent/JP6287035B2/ja
Priority to US16/817,979 priority patent/US20200221090A1/en
Priority to US17/244,411 priority patent/US11546594B2/en
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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
    • H04N19/50—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
    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing of motion vectors by encoding by predictive encoding
    • 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
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • 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
    • H04N19/169—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
    • H04N19/50—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
    • H04N19/50—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
    • H04N19/523—Motion estimation or motion compensation with sub-pixel accuracy
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/43—Hardware specially adapted for motion estimation or compensation

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  • 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)
JP2013214118A 2013-10-11 2013-10-11 復号装置および復号方法 Active JP6287035B2 (ja)

Priority Applications (10)

Application Number Priority Date Filing Date Title
JP2013214118A JP6287035B2 (ja) 2013-10-11 2013-10-11 復号装置および復号方法
TW103134265A TWI684351B (zh) 2013-10-11 2014-10-01 解碼裝置、解碼方法、編碼裝置，以及編碼方法
KR1020217011012A KR102338523B1 (ko) 2013-10-11 2014-10-02 디코딩 디바이스, 디코딩 방법, 인코딩 디바이스, 및 인코딩 방법
PCT/JP2014/005027 WO2015052898A1 (en) 2013-10-11 2014-10-02 Decoding device, decoding method, encoding device, and encoding method
KR1020167005758A KR102242722B1 (ko) 2013-10-11 2014-10-02 디코딩 디바이스, 디코딩 방법, 인코딩 디바이스, 및 인코딩 방법
EP14795676.7A EP3039869B1 (en) 2013-10-11 2014-10-02 Decoding device, decoding method, encoding device, and encoding method
CN201480054820.7A CN105900424B (zh) 2013-10-11 2014-10-02 解码装置、解码方法、编码装置以及编码方法
US15/023,156 US10687060B2 (en) 2013-10-11 2014-10-02 Decoding device, decoding method, encoding device, and encoding method
US16/817,979 US20200221090A1 (en) 2013-10-11 2020-03-13 Decoding device, decoding method, encoding device, and encoding method
US17/244,411 US11546594B2 (en) 2013-10-11 2021-04-29 Decoding device, decoding method, encoding device, and encoding method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2013214118A JP6287035B2 (ja) 2013-10-11 2013-10-11 復号装置および復号方法

Related Child Applications (1)

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JP2018005378A Division JP6477930B2 (ja) 2018-01-17 2018-01-17 符号化装置および符号化方法

Publications (3)

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JP2015076859A JP2015076859A (ja) 2015-04-20
JP2015076859A5 JP2015076859A5 (OSRAM) 2016-04-14
JP6287035B2 true JP6287035B2 (ja) 2018-03-07

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US (3) US10687060B2 (OSRAM)
EP (1) EP3039869B1 (OSRAM)
JP (1) JP6287035B2 (OSRAM)
KR (2) KR102242722B1 (OSRAM)
CN (1) CN105900424B (OSRAM)
TW (1) TWI684351B (OSRAM)
WO (1) WO2015052898A1 (OSRAM)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6287035B2 (ja) * 2013-10-11 2018-03-07 ソニー株式会社 復号装置および復号方法
US9807398B2 (en) * 2014-09-30 2017-10-31 Avago Technologies General Ip (Singapore) Pte. Ltd. Mode complexity based coding strategy selection
EP3451667A4 (en) * 2016-04-29 2020-01-22 Intellectual Discovery Co., Ltd. VIDEO SIGNAL ENCODING / DECODING METHOD AND APPARATUS
JPWO2018088026A1 (ja) * 2016-11-11 2019-09-26 ソニー株式会社 送信装置、送信方法およびコンテンツ配信システム
EP3349455A1 (en) 2017-01-11 2018-07-18 Thomson Licensing Method and device for coding a block of video data, method and device for decoding a block of video data
WO2020057359A1 (en) * 2018-09-19 2020-03-26 Mediatek Inc. Methods and apparatuses of quantization scaling of transform coefficients in video coding system
CN109151505B (zh) * 2018-11-07 2021-02-26 深圳市网心科技有限公司 一种视频转码方法、系统、装置及计算机可读存储介质
CN111277840B (zh) * 2018-12-04 2022-02-08 华为技术有限公司 变换方法、反变换方法以及视频编码器和视频解码器
KR20200080187A (ko) * 2018-12-26 2020-07-06 한국전자통신연구원 양자화 행렬 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
WO2020249762A1 (en) * 2019-06-14 2020-12-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoder, decoder, methods and computer programs with an improved transform based scaling
AU2020203330B2 (en) 2020-05-21 2022-12-01 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding a block of video samples
CN113542798A (zh) * 2021-05-31 2021-10-22 浙江大华技术股份有限公司 视频流的传输方法、电子设备及存储介质
US12243274B2 (en) * 2021-12-07 2025-03-04 Cloudinary Ltd. System, device, and method for improved encoding and enhanced compression of images, videos, and media content

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GB2492333B (en) * 2011-06-27 2018-12-12 British Broadcasting Corp Video encoding and decoding using transforms
MX2014004852A (es) * 2011-10-19 2014-06-05 Kt Corp Metodo y aparato para codificar/decodificar imagenes.
KR102154968B1 (ko) * 2012-02-29 2020-09-10 소니 주식회사 화상 처리 장치 및 방법, 및 기록 매체
US9426466B2 (en) * 2012-06-22 2016-08-23 Qualcomm Incorporated Transform skip mode
GB2503875B (en) * 2012-06-29 2015-06-10 Canon Kk Method and device for encoding or decoding an image
JP2015526013A (ja) 2012-07-02 2015-09-07 エレクトロニクス アンド テレコミュニケーションズ リサーチ インスチチュートＥｌｅｃｔｒｏｎｉｃｓ Ａｎｄ Ｔｅｌｅｃｏｍｍｕｎｉｃａｔｉｏｎｓ Ｒｅｓｅａｒｃｈ Ｉｎｓｔｉｔｕｔｅ 映像符号化方法及び装置、並びに映像復号化方法及び装置
MX340435B (es) * 2012-09-06 2016-07-08 Panasonic Ip Corp America Metodo de codificacion de imagenes, metodo de decodificacion de imagenes, aparato de codificacion de imagenes, aparato de decodificacion de imagenes, aparato de codificacion y decodificacion de imagenes.
JP6210368B2 (ja) * 2012-09-18 2017-10-11 サン パテント トラスト 画像復号方法および画像復号装置
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Publication number Publication date
TW201524194A (zh) 2015-06-16
KR20160071364A (ko) 2016-06-21
JP2015076859A (ja) 2015-04-20
TWI684351B (zh) 2020-02-01
US20160255346A1 (en) 2016-09-01
US20200221090A1 (en) 2020-07-09
EP3039869A1 (en) 2016-07-06
US20210250585A1 (en) 2021-08-12
KR102242722B1 (ko) 2021-04-22
KR20210043750A (ko) 2021-04-21
US10687060B2 (en) 2020-06-16
US11546594B2 (en) 2023-01-03
WO2015052898A1 (en) 2015-04-16
CN105900424B (zh) 2019-05-28
EP3039869B1 (en) 2021-12-01
KR102338523B1 (ko) 2021-12-14
CN105900424A (zh) 2016-08-24

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