GB2552223B - Encoders, decoders and methods employing quantization - Google Patents

Encoders, decoders and methods employing quantization Download PDF

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Publication number
GB2552223B
GB2552223B GB201612365A GB201612365A GB2552223B GB 2552223 B GB2552223 B GB 2552223B GB 201612365 A GB201612365 A GB 201612365A GB 201612365 A GB201612365 A GB 201612365A GB 2552223 B GB2552223 B GB 2552223B
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Prior art keywords
decoders
encoders
methods employing
employing quantization
quantization
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GB201612365D0 (en
GB2552223A (en
Inventor
Kalevo Ossi
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Gurulogic Microsystems Oy
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Gurulogic Microsystems Oy
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Priority to GB201612365A priority Critical patent/GB2552223B/en
Publication of GB201612365D0 publication Critical patent/GB201612365D0/en
Priority to CN201780043713.8A priority patent/CN109565597B/zh
Priority to PCT/EP2017/025215 priority patent/WO2018010852A1/en
Priority to EP17742949.5A priority patent/EP3485638A1/en
Priority to JP2019501959A priority patent/JP6707709B2/ja
Priority to US16/224,514 priority patent/US10542257B2/en
Priority to CN202311295335.6A priority patent/CN117560014A/zh
Publication of GB2552223A publication Critical patent/GB2552223A/en
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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/60—General implementation details not specific to a particular type of compression
    • H03M7/6005—Decoder aspects
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
    • G06F17/147—Discrete orthonormal transforms, e.g. discrete cosine transform, discrete sine transform, and variations therefrom, e.g. modified discrete cosine transform, integer transforms approximating the discrete cosine transform
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • H03M7/42—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code using table look-up for the coding or decoding process, e.g. using read-only memory
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/60—General implementation details not specific to a particular type of compression
    • H03M7/6011—Encoder aspects
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/60—General implementation details not specific to a particular type of compression
    • H03M7/6064—Selection of Compressor
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/60—General implementation details not specific to a particular type of compression
    • H03M7/6064—Selection of Compressor
    • H03M7/6082—Selection strategies
    • H03M7/6088—Selection strategies according to the data 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
    • H04N19/12—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
    • H04N19/124—Quantisation
    • 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
    • H04N19/146—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
    • H04N19/10—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
    • H04N19/167—Position within a video image, e.g. region of interest [ROI]
    • 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
    • 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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/36—Scalability techniques involving formatting the layers as a function of picture distortion after decoding, e.g. signal-to-noise [SNR] scalability
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Discrete Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Computational Mathematics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Data Mining & Analysis (AREA)
  • Algebra (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
GB201612365A 2016-07-15 2016-07-15 Encoders, decoders and methods employing quantization Active GB2552223B (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
GB201612365A GB2552223B (en) 2016-07-15 2016-07-15 Encoders, decoders and methods employing quantization
CN201780043713.8A CN109565597B (zh) 2016-07-15 2017-07-17 采用量化的编码器、解码器和方法
PCT/EP2017/025215 WO2018010852A1 (en) 2016-07-15 2017-07-17 Encoders, decoders and methods employing quantization
EP17742949.5A EP3485638A1 (en) 2016-07-15 2017-07-17 Encoders, decoders and methods employing quantization
JP2019501959A JP6707709B2 (ja) 2016-07-15 2017-07-17 量子化を用いるエンコーダ、デコーダ、および方法
US16/224,514 US10542257B2 (en) 2016-07-15 2017-07-17 Encoders, decoders and methods employing quantization
CN202311295335.6A CN117560014A (zh) 2016-07-15 2017-07-17 采用量化的编码器、解码器和方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB201612365A GB2552223B (en) 2016-07-15 2016-07-15 Encoders, decoders and methods employing quantization

Publications (3)

Publication Number Publication Date
GB201612365D0 GB201612365D0 (en) 2016-08-31
GB2552223A GB2552223A (en) 2018-01-17
GB2552223B true GB2552223B (en) 2020-01-01

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GB201612365A Active GB2552223B (en) 2016-07-15 2016-07-15 Encoders, decoders and methods employing quantization

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US (1) US10542257B2 (enExample)
EP (1) EP3485638A1 (enExample)
JP (1) JP6707709B2 (enExample)
CN (2) CN117560014A (enExample)
GB (1) GB2552223B (enExample)
WO (1) WO2018010852A1 (enExample)

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Publication number Priority date Publication date Assignee Title
EP3782365A1 (en) * 2018-04-16 2021-02-24 InterDigital VC Holdings, Inc. Quantization parameter prediction for video encoding and decoding
KR20240145069A (ko) * 2018-09-11 2024-10-04 파나소닉 인텔렉츄얼 프로퍼티 코포레이션 오브 아메리카 3차원 데이터 부호화 방법, 3차원 데이터 복호 방법, 3차원 데이터 부호화 장치, 및 3차원 데이터 복호 장치
CN109587485A (zh) * 2018-10-26 2019-04-05 西安科锐盛创新科技有限公司 视频压缩编码方法
CN109561306B (zh) * 2018-10-26 2021-08-06 上海九吾尊易信息科技有限公司 一种带宽压缩量化方法
US11368692B2 (en) * 2018-10-31 2022-06-21 Ati Technologies Ulc Content adaptive quantization strength and bitrate modeling
KR20250079228A (ko) * 2019-04-26 2025-06-04 후아웨이 테크놀러지 컴퍼니 리미티드 크로마 양자화 파라미터의 매핑 함수의 시그널링을 위한 방법 및 장치
US20230076138A1 (en) * 2021-09-09 2023-03-09 Arm Limited Nibble Block Format
WO2024111313A1 (ja) * 2022-11-24 2024-05-30 日本電気株式会社 映像符号化装置、映像符号化方法および映像システム

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US6404933B1 (en) * 1997-06-02 2002-06-11 Nec Corporation Image encoding method and apparatus thereof
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US20150078441A1 (en) * 2012-02-27 2015-03-19 Industry-Academia Cooperation Group Of Sejong University Image encoding and decoding apparatus, and image encoding and decoding method
US9135723B1 (en) * 2012-12-19 2015-09-15 Marvell International Ltd. Efficient visually lossless compression

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GB2516425B (en) 2013-07-17 2015-12-30 Gurulogic Microsystems Oy Encoder and decoder, and method of operation
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Publication number Priority date Publication date Assignee Title
JPH033496A (ja) * 1989-05-31 1991-01-09 Toshiba Corp 画像符号化方式
US6404933B1 (en) * 1997-06-02 2002-06-11 Nec Corporation Image encoding method and apparatus thereof
WO2013001755A1 (en) * 2011-06-29 2013-01-03 Canon Kabushiki Kaisha Image encoding apparatus, image encoding method and program, image decoding apparatus, image decoding method, and program
US20150078441A1 (en) * 2012-02-27 2015-03-19 Industry-Academia Cooperation Group Of Sejong University Image encoding and decoding apparatus, and image encoding and decoding method
WO2013128010A2 (en) * 2012-03-02 2013-09-06 Canon Kabushiki Kaisha Method and devices for encoding a sequence of images into a scalable video bit-stream, and decoding a corresponding scalable video bit-stream
US20140112591A1 (en) * 2012-10-22 2014-04-24 Gurulogic Microsystems Oy Encoder, Decoder and Method
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JP2015027097A (ja) * 2014-09-29 2015-02-05 富士通株式会社 動画像復号方法

Also Published As

Publication number Publication date
US10542257B2 (en) 2020-01-21
CN109565597A (zh) 2019-04-02
CN109565597B (zh) 2023-10-27
CN117560014A (zh) 2024-02-13
EP3485638A1 (en) 2019-05-22
WO2018010852A1 (en) 2018-01-18
GB201612365D0 (en) 2016-08-31
JP6707709B2 (ja) 2020-06-10
JP2019527959A (ja) 2019-10-03
US20190182484A1 (en) 2019-06-13
GB2552223A (en) 2018-01-17

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