CN112042193A - 编码和解码视频 - Google Patents

编码和解码视频 Download PDF

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Publication number
CN112042193A
CN112042193A CN201980029196.8A CN201980029196A CN112042193A CN 112042193 A CN112042193 A CN 112042193A CN 201980029196 A CN201980029196 A CN 201980029196A CN 112042193 A CN112042193 A CN 112042193A
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CN
China
Prior art keywords
block
transform
sub
transform sub
determining
Prior art date
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Pending
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CN201980029196.8A
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English (en)
Chinese (zh)
Inventor
F.莱林内克
T.波伊里尔
Y.陈
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InterDigital VC Holdings Inc
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InterDigital VC Holdings Inc
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Filing date
Publication date
Priority claimed from EP18305673.8A external-priority patent/EP3576408A1/en
Application filed by InterDigital VC Holdings Inc filed Critical InterDigital VC Holdings Inc
Publication of CN112042193A publication Critical patent/CN112042193A/zh
Pending legal-status Critical Current

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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
    • 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
    • H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
    • 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
    • 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

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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)
CN201980029196.8A 2018-05-02 2019-04-24 编码和解码视频 Pending CN112042193A (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP18305542.5 2018-05-02
EP18305542 2018-05-02
EP18305673.8A EP3576408A1 (en) 2018-05-31 2018-05-31 Adaptive transformation and coefficient scan order for video coding
EP18305673.8 2018-05-31
PCT/US2019/028864 WO2019212816A1 (en) 2018-05-02 2019-04-24 Encoding and decoding a video

Publications (1)

Publication Number Publication Date
CN112042193A true CN112042193A (zh) 2020-12-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201980029196.8A Pending CN112042193A (zh) 2018-05-02 2019-04-24 编码和解码视频

Country Status (7)

Country Link
US (1) US20210243445A1 (https=)
EP (1) EP3788784A1 (https=)
JP (1) JP2021520698A (https=)
KR (1) KR20210002506A (https=)
CN (1) CN112042193A (https=)
BR (1) BR112020020046A2 (https=)
WO (1) WO2019212816A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20240090220A (ko) * 2021-10-22 2024-06-21 엘지전자 주식회사 영상 디코딩 방법 및 그 장치

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102369733A (zh) * 2009-02-23 2012-03-07 韩国科学技术院 用于对分割块进行编码的视频编码方法、用于对分割块进行解码的视频解码方法以及用于实施上述方法的记录媒体
CN103931182A (zh) * 2011-10-27 2014-07-16 高通股份有限公司 帧内预测视频译码中的非正方形变换
CN104221288A (zh) * 2012-04-13 2014-12-17 佳能株式会社 对编码视频数据的变换单位的子集编码和解码的方法、设备和系统
US9544597B1 (en) * 2013-02-11 2017-01-10 Google Inc. Hybrid transform in video encoding and decoding
CN107211144A (zh) * 2015-01-26 2017-09-26 高通股份有限公司 用于预测残差的增强型多重变换

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102369733A (zh) * 2009-02-23 2012-03-07 韩国科学技术院 用于对分割块进行编码的视频编码方法、用于对分割块进行解码的视频解码方法以及用于实施上述方法的记录媒体
CN103931182A (zh) * 2011-10-27 2014-07-16 高通股份有限公司 帧内预测视频译码中的非正方形变换
CN104221288A (zh) * 2012-04-13 2014-12-17 佳能株式会社 对编码视频数据的变换单位的子集编码和解码的方法、设备和系统
US9544597B1 (en) * 2013-02-11 2017-01-10 Google Inc. Hybrid transform in video encoding and decoding
CN107211144A (zh) * 2015-01-26 2017-09-26 高通股份有限公司 用于预测残差的增强型多重变换

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
JOEL SOLE ET AL: "CE6.c: Harmonization of HE residual coding with non-square block transforms" *
ZHONG GUOYUN ET AL: "A novel scanning pattern for entropy coding under non-square quadtree transform (NSQT)" *

Also Published As

Publication number Publication date
BR112020020046A2 (pt) 2021-01-05
EP3788784A1 (en) 2021-03-10
KR20210002506A (ko) 2021-01-08
JP2021520698A (ja) 2021-08-19
US20210243445A1 (en) 2021-08-05
WO2019212816A1 (en) 2019-11-07

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Application publication date: 20201204