CN114982235B - 图像处理装置和方法 - Google Patents

图像处理装置和方法

Info

Publication number
CN114982235B
CN114982235B CN202180009380.3A CN202180009380A CN114982235B CN 114982235 B CN114982235 B CN 114982235B CN 202180009380 A CN202180009380 A CN 202180009380A CN 114982235 B CN114982235 B CN 114982235B
Authority
CN
China
Prior art keywords
coefficient data
inverse
transform
unit
adaptive color
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202180009380.3A
Other languages
English (en)
Chinese (zh)
Other versions
CN114982235A (zh
Inventor
筑波健史
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Group Corp
Original Assignee
Sony Group Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sony Group Corp filed Critical Sony Group Corp
Publication of CN114982235A publication Critical patent/CN114982235A/zh
Application granted granted Critical
Publication of CN114982235B publication Critical patent/CN114982235B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—Two-dimensional [2D] image generation
    • G06T11/10—Texturing; Colouring; Generation of textures or colours
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—Two-dimensional [2D] image generation
    • G06T11/60—Creating or editing images; Combining images with text
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/90—Dynamic range modification of images or parts thereof
    • G06T5/92—Dynamic range modification of images or parts thereof based on global image 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
    • H04N19/102—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
    • 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
    • H04N19/156—Availability of hardware or computational resources, e.g. encoding based on power-saving 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
    • H04N19/169—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
    • H04N19/186—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 colour or a chrominance component
    • 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
    • H04N19/98—Adaptive-dynamic-range coding [ADRC]

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computing Systems (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
CN202180009380.3A 2020-01-24 2021-01-22 图像处理装置和方法 Active CN114982235B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202062965767P 2020-01-24 2020-01-24
US62/965,767 2020-01-24
PCT/JP2021/002296 WO2021149812A1 (ja) 2020-01-24 2021-01-22 画像処理装置および方法

Publications (2)

Publication Number Publication Date
CN114982235A CN114982235A (zh) 2022-08-30
CN114982235B true CN114982235B (zh) 2025-09-30

Family

ID=76992967

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202180009380.3A Active CN114982235B (zh) 2020-01-24 2021-01-22 图像处理装置和方法

Country Status (6)

Country Link
US (1) US12309397B2 (https=)
EP (1) EP4087242A4 (https=)
JP (2) JP7622652B2 (https=)
KR (1) KR20220128338A (https=)
CN (1) CN114982235B (https=)
WO (1) WO2021149812A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021229784A1 (ja) * 2020-05-15 2021-11-18 三菱電機株式会社 攻撃検知システム、攻撃検知方法および攻撃検知プログラム

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10158836B2 (en) * 2015-01-30 2018-12-18 Qualcomm Incorporated Clipping for cross-component prediction and adaptive color transform for video coding
EP4568242A1 (en) * 2016-05-13 2025-06-11 Sony Group Corporation Image processing apparatus and method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
AHG16: Clipping residual samples for ACT;Xiaoyu Xiu等;Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 JVET-Q0513-r2;20200117;摘要、正文第2-3节 *

Also Published As

Publication number Publication date
US20230045106A1 (en) 2023-02-09
EP4087242A1 (en) 2022-11-09
US12309397B2 (en) 2025-05-20
JPWO2021149812A1 (https=) 2021-07-29
JP7622652B2 (ja) 2025-01-28
WO2021149812A1 (ja) 2021-07-29
KR20220128338A (ko) 2022-09-20
JP7747236B2 (ja) 2025-10-01
CN114982235A (zh) 2022-08-30
EP4087242A4 (en) 2023-05-03
JP2025061217A (ja) 2025-04-10

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