JP2013138361A5 - - Google Patents

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Publication number
JP2013138361A5
JP2013138361A5 JP2011288684A JP2011288684A JP2013138361A5 JP 2013138361 A5 JP2013138361 A5 JP 2013138361A5 JP 2011288684 A JP2011288684 A JP 2011288684A JP 2011288684 A JP2011288684 A JP 2011288684A JP 2013138361 A5 JP2013138361 A5 JP 2013138361A5
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JP
Japan
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block
evaluation value
evaluation
threshold
quantization parameter
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JP2011288684A
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English (en)
Japanese (ja)
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JP2013138361A (ja
JP5988577B2 (ja
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Priority to JP2011288684A priority Critical patent/JP5988577B2/ja
Priority claimed from JP2011288684A external-priority patent/JP5988577B2/ja
Priority to US13/725,874 priority patent/US9571828B2/en
Priority to CN201210581061.2A priority patent/CN103188493B/zh
Publication of JP2013138361A publication Critical patent/JP2013138361A/ja
Publication of JP2013138361A5 publication Critical patent/JP2013138361A5/ja
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Publication of JP5988577B2 publication Critical patent/JP5988577B2/ja
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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)

Priority Applications (3)

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

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
JP2013138361A JP2013138361A (ja) 2013-07-11
JP2013138361A5 true JP2013138361A5 (https=) 2015-02-26
JP5988577B2 JP5988577B2 (ja) 2016-09-07

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JP2011288684A Active 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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US (1) US9571828B2 (https=)
JP (1) JP5988577B2 (https=)
CN (1) CN103188493B (https=)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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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JP2629409B2 (ja) * 1990-06-19 1997-07-09 松下電器産業株式会社 動き補償予測フレーム間符号化装置
JPH06245199A (ja) * 1993-02-19 1994-09-02 Sharp Corp 画像符号化装置
JP3707118B2 (ja) 1995-04-28 2005-10-19 ソニー株式会社 画像符号化方法及び装置
JPH1023430A (ja) * 1996-07-05 1998-01-23 Nec Corp 動画像符号化装置
JP2003061097A (ja) 2001-08-09 2003-02-28 Sony Corp 画像符号化装置および方法、記録媒体、並びにプログラム
US7596279B2 (en) * 2002-04-26 2009-09-29 Ntt Docomo, Inc. Image encoding device, image decoding device, image encoding method, image decoding method, image encoding program, and image decoding program
US20070274385A1 (en) * 2006-05-26 2007-11-29 Zhongli He Method of increasing coding efficiency and reducing power consumption by on-line scene change detection while encoding inter-frame
WO2009045683A1 (en) * 2007-09-28 2009-04-09 Athanasios Leontaris Video compression and tranmission techniques
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
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WO2010005691A1 (en) * 2008-06-16 2010-01-14 Dolby Laboratories Licensing Corporation Rate control model adaptation based on slice dependencies for video coding
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