JP7739039B2 - 変換係数処理方法 - Google Patents

変換係数処理方法

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Publication number
JP7739039B2
JP7739039B2 JP2021078493A JP2021078493A JP7739039B2 JP 7739039 B2 JP7739039 B2 JP 7739039B2 JP 2021078493 A JP2021078493 A JP 2021078493A JP 2021078493 A JP2021078493 A JP 2021078493A JP 7739039 B2 JP7739039 B2 JP 7739039B2
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codewords
block
coefficients
image
sub
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JP2021078493A
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Japanese (ja)
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JP2021177628A (ja
JP2021177628A5 (enExample
Inventor
ビュットナー カルステン
ブルース オーウェン スタンホープ デイヴィッド
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Blackmagic Design Pty Ltd
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Blackmagic Design Pty Ltd
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Publication of JP2021177628A5 publication Critical patent/JP2021177628A5/ja
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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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/33—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the spatial domain
    • 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformations in the plane of the image
    • G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00007—Time or data compression or expansion
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10527—Audio or video recording; Data buffering arrangements
    • 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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • 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
    • 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
    • H04N19/1887—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 variable length codeword
    • 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
    • H04N19/19—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 using optimisation based on Lagrange multipliers
    • 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
    • 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
    • H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
    • 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
    • H04N19/60—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
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/765—Interface circuits between an apparatus for recording and another apparatus
    • H04N5/77—Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television camera
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00007—Time or data compression or expansion
    • G11B2020/00072—Time or data compression or expansion the compressed signal including a video signal
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10527—Audio or video recording; Data buffering arrangements
    • G11B2020/10537—Audio or video recording

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
JP2021078493A 2020-05-07 2021-05-06 変換係数処理方法 Active JP7739039B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2020901460A AU2020901460A0 (en) 2020-05-07 Method for processing transform coefficients
AU2020901460 2020-05-07

Publications (3)

Publication Number Publication Date
JP2021177628A JP2021177628A (ja) 2021-11-11
JP2021177628A5 JP2021177628A5 (enExample) 2024-04-19
JP7739039B2 true JP7739039B2 (ja) 2025-09-16

Family

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JP2021078493A Active JP7739039B2 (ja) 2020-05-07 2021-05-06 変換係数処理方法

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Country Link
US (1) US11765366B2 (enExample)
EP (1) EP3907994A3 (enExample)
JP (1) JP7739039B2 (enExample)
CN (1) CN113630598A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20250010427A (ko) * 2023-07-12 2025-01-21 한화비전 주식회사 전송 대역폭 절감을 위한 영상 데이터 처리 기술

Citations (2)

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US5253055A (en) 1992-07-02 1993-10-12 At&T Bell Laboratories Efficient frequency scalable video encoding with coefficient selection
US5260783A (en) 1991-02-21 1993-11-09 Gte Laboratories Incorporated Layered DCT video coder for packet switched ATM networks

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US6263021B1 (en) 1998-09-18 2001-07-17 Sarnoff Corporation Treating non-zero quantized transform coefficients as zeros during video compression processing
US7403564B2 (en) 2001-11-21 2008-07-22 Vixs Systems, Inc. System and method for multiple channel video transcoding
ES2373944T3 (es) * 2001-11-22 2012-02-10 Panasonic Corporation Procedimiento de codificación de longitud variable y procedimiento de decodificación de longitud variable.
US7042942B2 (en) 2001-12-21 2006-05-09 Intel Corporation Zigzag in-order for image/video encoder and decoder
US7050656B2 (en) 2002-12-11 2006-05-23 Seiko Epson Corporation Image scaling in the compressed domain
US8121428B2 (en) 2005-05-31 2012-02-21 Microsoft Corporation Accelerated image rendering
US20070058713A1 (en) 2005-09-14 2007-03-15 Microsoft Corporation Arbitrary resolution change downsizing decoder
US8582656B2 (en) 2007-04-13 2013-11-12 Apple Inc. Method and system for video encoding and decoding
US8126280B2 (en) 2007-09-21 2012-02-28 Adobe Systems Incorporated Enhanced decompression of compressed data
US8045810B2 (en) 2008-02-28 2011-10-25 Research In Motion Limited Method and system for decoding encoded images and reducing the size of said images
US8179974B2 (en) * 2008-05-02 2012-05-15 Microsoft Corporation Multi-level representation of reordered transform coefficients
US8340448B2 (en) 2009-10-06 2012-12-25 Cisco Technology, Inc. Locally variable quantization and hybrid variable length coding for image and video compression
US8315310B2 (en) * 2010-01-08 2012-11-20 Research In Motion Limited Method and device for motion vector prediction in video transcoding using full resolution residuals
US9445132B2 (en) * 2013-09-09 2016-09-13 Qualcomm Incorporated Two level last significant coefficient (LSC) position coding
US20160234520A1 (en) 2013-09-16 2016-08-11 Entropic Communications, Llc Efficient progressive jpeg decode method
US11153594B2 (en) * 2016-08-29 2021-10-19 Apple Inc. Multidimensional quantization techniques for video coding/decoding systems
JP7182907B2 (ja) 2017-06-15 2022-12-05 ブラックマジック デザイン ピーティーワイ リミテッド カメラの画像データ処理方法およびカメラ
JP7349806B2 (ja) 2018-03-28 2023-09-25 ブラックマジック デザイン ピーティーワイ リミテッド 画像処理方法及びフィルタアレイ

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5260783A (en) 1991-02-21 1993-11-09 Gte Laboratories Incorporated Layered DCT video coder for packet switched ATM networks
US5253055A (en) 1992-07-02 1993-10-12 At&T Bell Laboratories Efficient frequency scalable video encoding with coefficient selection

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Barry G. Haskell, et al.，"Chapter 9: MPEG-2 Scalability Techniques"，In: "Digital Video: An Introduction to MPEG-2"，Springer，1996年12月31日，Pages 183-229，ISBN: 978-0-412-08411-9.
R. Mathew and J.F. Arnold，"Efficient layered video coding using data partitioning"，Signal Processing: Image Communication，Elsevier Science B.V.，1999年，Vol.14，Pages 761-782，[online], [retrieved on 2025.02.13], Retrieved from <https://www.academia.edu/57047739/Efficient_layered_video_coding_using_data_partitioning?sm=b>，ISSN: 0923-5965.

Also Published As

Publication number Publication date
US20210352303A1 (en) 2021-11-11
EP3907994A2 (en) 2021-11-10
CN113630598A (zh) 2021-11-09
EP3907994A3 (en) 2022-03-02
US11765366B2 (en) 2023-09-19
JP2021177628A (ja) 2021-11-11

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