JP5988577B2 - 画像符号化装置、画像符号化方法及びプログラム - Google Patents

画像符号化装置、画像符号化方法及びプログラム Download PDF

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JP5988577B2
JP5988577B2 JP2011288684A JP2011288684A JP5988577B2 JP 5988577 B2 JP5988577 B2 JP 5988577B2 JP 2011288684 A JP2011288684 A JP 2011288684A JP 2011288684 A JP2011288684 A JP 2011288684A JP 5988577 B2 JP5988577 B2 JP 5988577B2
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block
quantization parameter
evaluation value
value
evaluation
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JP2013138361A5 (enExample
JP2013138361A (ja
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大川　浩司
浩司 大川
咲 樋渡
咲 樋渡
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Canon Inc
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Canon Inc
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Priority to CN201210581061.2A priority patent/CN103188493B/zh
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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
    • H04N19/124—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
    • H04N19/154—Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
    • 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
    • H04N19/134—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
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2011288684A 2011-12-28 2011-12-28 画像符号化装置、画像符号化方法及びプログラム Active JP5988577B2 (ja)

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Application Number Priority Date Filing Date Title
JP2011288684A JP5988577B2 (ja) 2011-12-28 2011-12-28 画像符号化装置、画像符号化方法及びプログラム
US13/725,874 US9571828B2 (en) 2011-12-28 2012-12-21 Image encoding apparatus, image encoding method and program
CN201210581061.2A CN103188493B (zh) 2011-12-28 2012-12-27 图像编码装置及图像编码方法

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JP6226578B2 (ja) * 2013-06-13 2017-11-08 キヤノン株式会社 画像符号化装置、画像符号化方法及びプログラム
JP6265724B2 (ja) * 2013-12-11 2018-01-24 キヤノン株式会社 画像符号化装置、画像符号化方法及びプログラム
US10356428B2 (en) 2015-04-13 2019-07-16 Qualcomm Incorporated Quantization parameter (QP) update classification for display stream compression (DSC)
US9936203B2 (en) * 2015-04-13 2018-04-03 Qualcomm Incorporated Complex region detection for display stream compression
US10284849B2 (en) 2015-04-13 2019-05-07 Qualcomm Incorporated Quantization parameter (QP) calculation for display stream compression (DSC) based on complexity measure
US10244255B2 (en) 2015-04-13 2019-03-26 Qualcomm Incorporated Rate-constrained fallback mode for display stream compression
JP6700798B2 (ja) * 2016-01-13 2020-05-27 キヤノン株式会社 撮像装置及びその制御方法
CN109076225A (zh) * 2016-02-08 2018-12-21 夏普株式会社 用于变换系数编码的系统和方法
KR102714094B1 (ko) * 2016-02-11 2024-10-08 삼성전자주식회사 비디오 부호화 방법 및 장치, 비디오 복호화 방법 및 장치
CN108574841B (zh) * 2017-03-07 2020-10-30 北京金山云网络技术有限公司 一种基于自适应量化参数的编码方法及装置
CN107609493B (zh) * 2017-08-25 2021-04-13 广州视源电子科技股份有限公司 优化人脸图片质量评价模型的方法及装置
JP7033013B2 (ja) * 2018-06-15 2022-03-09 キヤノン株式会社 画像符号化装置、画像復号装置、及び、それらの制御方法、並びに、プログラム
KR20250079228A (ko) * 2019-04-26 2025-06-04 후아웨이 테크놀러지 컴퍼니 리미티드 크로마 양자화 파라미터의 매핑 함수의 시그널링을 위한 방법 및 장치
CN112004084B (zh) * 2019-05-27 2022-03-29 北京君正集成电路股份有限公司 一种利用量化参数排序的码率控制优化方法及系统

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KR101350723B1 (ko) * 2008-06-16 2014-01-16 돌비 레버러토리즈 라이쎈싱 코오포레이션 비디오 코딩을 위한 슬라이스 종속성에 기초한 레이트 제어 모델 적응 방법
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CN103188493A (zh) 2013-07-03
US9571828B2 (en) 2017-02-14
CN103188493B (zh) 2017-04-26
JP2013138361A (ja) 2013-07-11
US20130170545A1 (en) 2013-07-04

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