JP2013138361A5 - - Google Patents
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- 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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- 238000011156 evaluation Methods 0.000 claims description 43
- 238000013139 quantization Methods 0.000 claims description 19
- 238000000034 method Methods 0.000 claims 3
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 (enExample) | 2015-02-26 |
| JP5988577B2 JP5988577B2 (ja) | 2016-09-07 |
Family
ID=48679425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US9571828B2 (enExample) |
| JP (1) | JP5988577B2 (enExample) |
| CN (1) | CN103188493B (enExample) |
Families Citing this family (14)
| 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 |
| 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 |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| TWI273832B (en) * | 2002-04-26 | 2007-02-11 | Ntt Docomo Inc | Image encoding device, image decoding device, image encoding method, image decoding method, image decoding 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 |
| US9445110B2 (en) * | 2007-09-28 | 2016-09-13 | Dolby Laboratories Licensing Corporation | Video compression and transmission 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 |
| JP2009182623A (ja) | 2008-01-30 | 2009-08-13 | Panasonic Corp | 画像符号化方法 |
| KR101350723B1 (ko) * | 2008-06-16 | 2014-01-16 | 돌비 레버러토리즈 라이쎈싱 코오포레이션 | 비디오 코딩을 위한 슬라이스 종속성에 기초한 레이트 제어 모델 적응 방법 |
| WO2009157827A1 (en) * | 2008-06-25 | 2009-12-30 | Telefonaktiebolaget L M Ericsson (Publ) | Row evaluation rate control |
| US20090323810A1 (en) * | 2008-06-26 | 2009-12-31 | Mediatek Inc. | Video encoding apparatuses and methods with decoupled data dependency |
| 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 |
| CN102165772B (zh) * | 2008-09-16 | 2013-07-24 | 杜比实验室特许公司 | 自适应视频编码器控制 |
| WO2010036772A2 (en) * | 2008-09-26 | 2010-04-01 | Dolby Laboratories Licensing Corporation | Complexity allocation for video and image coding applications |
| US8396114B2 (en) * | 2009-01-29 | 2013-03-12 | Microsoft Corporation | Multiple bit rate video encoding using variable bit rate and dynamic resolution for adaptive video streaming |
| US8270473B2 (en) * | 2009-06-12 | 2012-09-18 | Microsoft Corporation | Motion based dynamic resolution multiple bit rate video encoding |
| US8804820B2 (en) * | 2011-04-21 | 2014-08-12 | Dialogic Corporation | Rate control with look-ahead for video transcoding |
| US10027982B2 (en) * | 2011-10-19 | 2018-07-17 | Microsoft Technology Licensing, Llc | Segmented-block coding |
-
2011
- 2011-12-28 JP JP2011288684A patent/JP5988577B2/ja active Active
-
2012
- 2012-12-21 US US13/725,874 patent/US9571828B2/en active Active
- 2012-12-27 CN CN201210581061.2A patent/CN103188493B/zh active Active
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