JP7489776B2 - 適応変換ベースのビデオ圧縮のための最後の係数符号化 - Google Patents

適応変換ベースのビデオ圧縮のための最後の係数符号化 Download PDF

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JP7489776B2
JP7489776B2 JP2019500806A JP2019500806A JP7489776B2 JP 7489776 B2 JP7489776 B2 JP 7489776B2 JP 2019500806 A JP2019500806 A JP 2019500806A JP 2019500806 A JP2019500806 A JP 2019500806A JP 7489776 B2 JP7489776 B2 JP 7489776B2
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JP2019520773A5 (enExample
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ラセール，セバスチャン
プリ，サウラブ
カレ，パトリック ル
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インターデジタル ヴイシー ホールディングス， インコーポレイテッド
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    • H—ELECTRICITY
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    • 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
    • H04N19/102—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
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    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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    • 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
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    • 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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
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    • 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
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
    • 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
    • H04N19/20—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • 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
    • 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
    • H04N19/192—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 the adaptation method, adaptation tool or adaptation type being iterative or recursive

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  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP2019500806A 2016-07-15 2017-07-12 適応変換ベースのビデオ圧縮のための最後の係数符号化 Active JP7489776B2 (ja)

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EP16305919.9 2016-07-15
EP16305919.9A EP3270595A1 (en) 2016-07-15 2016-07-15 Method and apparatus for last coefficient coding for adaptive transform based video compression
PCT/EP2017/067616 WO2018011303A1 (en) 2016-07-15 2017-07-12 Last coefficient coding for adaptive transform based video compression

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JP2019520773A JP2019520773A (ja) 2019-07-18
JP2019520773A5 JP2019520773A5 (enExample) 2020-08-20
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EP (2) EP3270595A1 (enExample)
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KR (4) KR20190035681A (enExample)
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JP2021510022A (ja) * 2018-11-12 2021-04-08 エルジー エレクトロニクス インコーポレイティド 高周波ゼロイングに基づいて変換係数をコーディングする方法及びその装置
CN113940072B (zh) * 2019-06-19 2025-05-13 索尼集团公司 图像处理装置和方法
WO2021036979A1 (en) 2019-08-24 2021-03-04 Beijing Bytedance Network Technology Co., Ltd. Residual coefficients coding

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018533309A (ja) 2015-11-09 2018-11-08 トムソン ライセンシングＴｈｏｍｓｏｎ Ｌｉｃｅｎｓｉｎｇ 符号化及び復号方法並びに対応するデバイス
JP2019525576A (ja) 2016-07-15 2019-09-05 インターデジタル ヴイシー ホールディングス， インコーポレイテッド 最後の係数符号化のための高度なｃａｂａｃコンテキスト適応のための方法及び装置

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9008171B2 (en) 2008-01-08 2015-04-14 Qualcomm Incorporated Two pass quantization for CABAC coders
PL2628299T3 (pl) * 2010-10-14 2019-12-31 Interdigital Vc Holdings, Inc. Sposób i urządzenie do ulepszonego kodowania i dekodowania entropijnego
CN103597838B (zh) 2011-04-15 2017-03-29 黑莓有限公司 对末位有效系数的位置进行编码和解码的方法和设备
US9491469B2 (en) * 2011-06-28 2016-11-08 Qualcomm Incorporated Coding of last significant transform coefficient
WO2013017092A1 (en) 2011-08-04 2013-02-07 Mediatek Inc. Method and apparatus for reordered binarization of syntax elements in cabac
US9357185B2 (en) 2011-11-08 2016-05-31 Qualcomm Incorporated Context optimization for last significant coefficient position coding
EP2795901A1 (en) 2011-12-20 2014-10-29 Motorola Mobility LLC Method and apparatus for efficient transform unit encoding
CN104067614B (zh) * 2011-12-28 2018-07-27 夏普株式会社 算术解码装置、图像解码装置以及算术编码装置
WO2013109990A2 (en) * 2012-01-20 2013-07-25 General Instrument Corporation Devices and methods for context reduction in last significant coefficient position coding
US9584802B2 (en) * 2012-04-13 2017-02-28 Texas Instruments Incorporated Reducing context coded and bypass coded bins to improve context adaptive binary arithmetic coding (CABAC) throughput
EP2858353B1 (en) * 2012-06-01 2019-03-20 Velos Media International Limited Arithmetic decoding device, image decoding device, arithmetic encoding device, and image encoding device
US9350998B2 (en) * 2012-06-29 2016-05-24 Qualcomm Incorporated Coding of significance flags
US10412396B2 (en) * 2013-01-16 2019-09-10 Blackberry Limited Transform coefficient coding for context-adaptive binary entropy coding of video
US9215464B2 (en) * 2013-09-19 2015-12-15 Blackberry Limited Coding position data for the last non-zero transform coefficient in a coefficient group
US9432696B2 (en) * 2014-03-17 2016-08-30 Qualcomm Incorporated Systems and methods for low complexity forward transforms using zeroed-out coefficients
US9734601B2 (en) * 2014-04-04 2017-08-15 The Board Of Trustees Of The University Of Illinois Highly accelerated imaging and image reconstruction using adaptive sparsifying transforms
US10277905B2 (en) * 2015-09-14 2019-04-30 Google Llc Transform selection for non-baseband signal coding
US9942548B2 (en) * 2016-02-16 2018-04-10 Google Llc Entropy coding transform partitioning information

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018533309A (ja) 2015-11-09 2018-11-08 トムソン ライセンシングＴｈｏｍｓｏｎ Ｌｉｃｅｎｓｉｎｇ 符号化及び復号方法並びに対応するデバイス
JP2019525576A (ja) 2016-07-15 2019-09-05 インターデジタル ヴイシー ホールディングス， インコーポレイテッド 最後の係数符号化のための高度なｃａｂａｃコンテキスト適応のための方法及び装置

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
ＩＴＵ－Ｔ ＴＥＬＥＣＯＭＭＵＮＩＣＡＴＩＯＮ ＳＴＡＮＤＡＲＤＩＺＡＴＩＯＮ ＳＥＣＴＯＲ ＯＦ ＩＴＵ ＳＥＲＩＥＳ Ｈ：ＡＵＤＩＯＶＩＳＵＡＬ ＡＮＤ ＭＵＬＴＩＭＥＤＩＡ ＳＹＳＴＥＭＳ Ｉｎｆｒａｓｔｒｕｃｔｕｒｅ ｏｆ ａｕｄｉｏｖｉｓｕａｌ ｓｅｒｖｉｃｅｓ－Ｃｏｄｉｎｇ ｏｆ ｍｏｖｉｎｇ ｖｉｄｅｏ Ｈｉｇｈ ｅｆｆｉｃｉｅｎｃｙ ｖｉｄｅｏ ｃｏｄｉｎｇ，Ｒｅｃｏｍｍｅｎｄａｔｉｏｎ ＩＴＵ－Ｔ Ｈ．２６５，（０４／２０１５），２０１５年４月，ｐｐ．１０５－１０６， ２００－２０１
Ｏｓｍａｎ Ｇ． Ｓｅｚｅｒ， ｅｔ ａｌ．，"ＳＰＡＲＳＥ ＯＲＴＨＯＮＯＲＭＡＬ ＴＲＡＮＳＦＯＲＭＳ ＦＯＲ ＩＭＡＧＥ ＣＯＭＰＲＥＳＳＩＯＮ"、２００８ １５ｔｈ ＩＥＥＥ Ｉｎｔｅｒｎａｔｉｏｎａｌ Ｃｏｎｆｅｒｅｎｃｅ ｏｎ Ｉｍａｇｅ Ｐｒｏｃｅｓｓｉｎｇ、２００８年１０月１５日、ｐｐ．１４９－１５２

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US20230039301A1 (en) 2023-02-09
KR20250151604A (ko) 2025-10-21
US11496752B2 (en) 2022-11-08
US20250088645A1 (en) 2025-03-13
EP3485640A1 (en) 2019-05-22
US12192487B2 (en) 2025-01-07
EP3485640B1 (en) 2025-09-03
CN109417626B (zh) 2022-10-21
JP2019520773A (ja) 2019-07-18
KR20190035681A (ko) 2019-04-03
CN115604482A (zh) 2023-01-13
KR20220058973A (ko) 2022-05-10
WO2018011303A1 (en) 2018-01-18
KR20230152782A (ko) 2023-11-03
CN109417626A (zh) 2019-03-01
US20190297335A1 (en) 2019-09-26
EP3270595A1 (en) 2018-01-17

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