CN103188493B - 图像编码装置及图像编码方法 - Google Patents

图像编码装置及图像编码方法 Download PDF

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CN103188493B
CN103188493B CN201210581061.2A CN201210581061A CN103188493B CN 103188493 B CN103188493 B CN 103188493B CN 201210581061 A CN201210581061 A CN 201210581061A CN 103188493 B CN103188493 B CN 103188493B
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evaluation
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quantization parameter
block
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CN103188493A (zh
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大川浩司
樋渡咲
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Canon Inc
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Canon Inc
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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)
CN201210581061.2A 2011-12-28 2012-12-27 图像编码装置及图像编码方法 Active CN103188493B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011-288684 2011-12-28
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

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CN103188493A CN103188493A (zh) 2013-07-03
CN103188493B true CN103188493B (zh) 2017-04-26

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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
US9936203B2 (en) * 2015-04-13 2018-04-03 Qualcomm Incorporated Complex region detection for display stream compression
US10356428B2 (en) 2015-04-13 2019-07-16 Qualcomm Incorporated Quantization parameter (QP) update classification for display stream compression (DSC)
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
EP3414901A4 (en) * 2016-02-08 2018-12-26 Sharp Kabushiki Kaisha Systems and methods for transform coefficient coding
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
SG11202111156PA (en) * 2019-04-26 2021-11-29 Huawei Tech Co Ltd Method and apparatus for signaling of mapping function of chroma quantization parameter
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
CN116723407A (zh) * 2023-06-09 2023-09-08 无锡英斯特微电子有限公司 图像识别度增强装置、方法、系统、电子设备及存储介质

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CN101184221A (zh) * 2007-12-06 2008-05-21 上海大学 基于视觉关注度的视频编码方法
CN101325711A (zh) * 2008-07-16 2008-12-17 上海大学 基于时空掩盖效应的自适应码率控制方法

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CN101184221A (zh) * 2007-12-06 2008-05-21 上海大学 基于视觉关注度的视频编码方法
CN101325711A (zh) * 2008-07-16 2008-12-17 上海大学 基于时空掩盖效应的自适应码率控制方法

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JP2013138361A (ja) 2013-07-11
CN103188493A (zh) 2013-07-03
JP5988577B2 (ja) 2016-09-07
US9571828B2 (en) 2017-02-14
US20130170545A1 (en) 2013-07-04

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