CN107809639B - 量化参数确定方法和图像捕获设备 - Google Patents
量化参数确定方法和图像捕获设备 Download PDFInfo
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- CN107809639B CN107809639B CN201710224200.9A CN201710224200A CN107809639B CN 107809639 B CN107809639 B CN 107809639B CN 201710224200 A CN201710224200 A CN 201710224200A CN 107809639 B CN107809639 B CN 107809639B
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- 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
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Abstract
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Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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KR20160116763 | 2016-09-09 | ||
KR10-2016-0116763 | 2016-09-09 | ||
KR1020160145210A KR20180028876A (ko) | 2016-09-09 | 2016-11-02 | 양자화 파라미터 결정 방법 및 영상 획득 장치 |
KR10-2016-0145210 | 2016-11-02 |
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CN107809639A CN107809639A (zh) | 2018-03-16 |
CN107809639B true CN107809639B (zh) | 2021-07-20 |
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US (2) | US10362307B2 (zh) |
EP (1) | EP3293974B1 (zh) |
CN (1) | CN107809639B (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111801948B (zh) * | 2018-03-01 | 2023-01-03 | 索尼公司 | 图像处理装置和方法、成像元件和成像装置 |
CN108737781A (zh) * | 2018-04-27 | 2018-11-02 | 浙江大华技术股份有限公司 | 一种画面检测的方法及设备 |
JP6941744B2 (ja) * | 2018-09-26 | 2021-09-29 | 富士フイルム株式会社 | 画像処理装置、撮影装置、画像処理方法及び画像処理プログラム |
CN110213582B (zh) * | 2019-06-13 | 2021-05-11 | 复旦大学 | 面向超高分辨率图像分析的高精度量化加速方法 |
WO2021006146A1 (ja) * | 2019-07-10 | 2021-01-14 | ソニー株式会社 | 画像処理装置および画像処理方法 |
CN113850374B (zh) * | 2021-10-14 | 2024-08-02 | 安谋科技(中国)有限公司 | 神经网络模型的量化方法、电子设备及介质 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5374958A (en) * | 1992-06-30 | 1994-12-20 | Sony Corporation | Image compression based on pattern fineness and edge presence |
EP0720385A2 (en) * | 1994-12-27 | 1996-07-03 | Sharp Kabushiki Kaisha | Video encoder with motion area extraction |
US5959672A (en) * | 1995-09-29 | 1999-09-28 | Nippondenso Co., Ltd. | Picture signal encoding system, picture signal decoding system and picture recognition system |
CN104285433A (zh) * | 2012-05-11 | 2015-01-14 | 高通股份有限公司 | 用于视频编码的运动传感器辅助的速率控制 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5398078A (en) * | 1991-10-31 | 1995-03-14 | Kabushiki Kaisha Toshiba | Method of detecting a motion vector in an image coding apparatus |
US6118817A (en) * | 1997-03-14 | 2000-09-12 | Microsoft Corporation | Digital video signal encoder and encoding method having adjustable quantization |
US20020163964A1 (en) * | 2001-05-02 | 2002-11-07 | Nichols James B. | Apparatus and method for compressing video |
US7675970B2 (en) * | 2004-01-12 | 2010-03-09 | General Instrument Corporation | Method and apparatus for processing a bitstream in a digital video transcoder |
US20070025444A1 (en) * | 2005-07-28 | 2007-02-01 | Shigeyuki Okada | Coding Method |
CN101009838B (zh) * | 2006-01-25 | 2010-06-16 | 松下电器产业株式会社 | 可抑制漂移误差的比特率转换编码方法,转换编码器,及集成电路 |
US8090022B2 (en) * | 2007-01-05 | 2012-01-03 | Sony Corporation | Video coding system |
KR100930344B1 (ko) | 2007-09-06 | 2009-12-08 | 재단법인대구경북과학기술원 | 초기 양자화 파라미터 결정 방법 |
US9113194B2 (en) * | 2007-12-19 | 2015-08-18 | Arris Technology, Inc. | Method and system for interleaving video and data for transmission over a network at a selected bit rate |
KR101086724B1 (ko) | 2010-03-02 | 2011-11-24 | 충북대학교 산학협력단 | 영상의 복잡도를 이용한 h.264/avc 부호화기의 양자화 파라미터 결정 방법 및 이를 구현하는 h.264/avc 부호화기 |
KR20140072668A (ko) | 2012-12-05 | 2014-06-13 | 한국전자통신연구원 | 네트워크 카메라 서버 및 그의 비디오 스트림 처리 방법 |
GB201312382D0 (en) * | 2013-07-10 | 2013-08-21 | Microsoft Corp | Region-of-interest aware video coding |
KR101547252B1 (ko) | 2013-11-12 | 2015-08-26 | 한국항공대학교산학협력단 | 비참조 p프레임 부호화 장치 |
US9774881B2 (en) * | 2014-01-08 | 2017-09-26 | Microsoft Technology Licensing, Llc | Representing motion vectors in an encoded bitstream |
EP3013050A1 (en) * | 2014-10-22 | 2016-04-27 | Axis AB | Video compression with adaptive GOP length and adaptive quantization |
US10264273B2 (en) * | 2014-10-31 | 2019-04-16 | Disney Enterprises, Inc. | Computed information for metadata extraction applied to transcoding |
EP3239946A1 (en) * | 2015-03-16 | 2017-11-01 | Axis AB | Method and system for generating an event video se-quence, and camera comprising such system |
US10356406B2 (en) * | 2016-01-19 | 2019-07-16 | Google Llc | Real-time video encoder rate control using dynamic resolution switching |
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2017
- 2017-01-27 US US15/417,456 patent/US10362307B2/en active Active
- 2017-03-31 EP EP17164290.3A patent/EP3293974B1/en active Active
- 2017-04-07 CN CN201710224200.9A patent/CN107809639B/zh active Active
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2019
- 2019-07-22 US US16/517,817 patent/US10999577B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5374958A (en) * | 1992-06-30 | 1994-12-20 | Sony Corporation | Image compression based on pattern fineness and edge presence |
EP0720385A2 (en) * | 1994-12-27 | 1996-07-03 | Sharp Kabushiki Kaisha | Video encoder with motion area extraction |
US5959672A (en) * | 1995-09-29 | 1999-09-28 | Nippondenso Co., Ltd. | Picture signal encoding system, picture signal decoding system and picture recognition system |
CN104285433A (zh) * | 2012-05-11 | 2015-01-14 | 高通股份有限公司 | 用于视频编码的运动传感器辅助的速率控制 |
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US10999577B2 (en) | 2021-05-04 |
EP3293974B1 (en) | 2021-07-21 |
US20190342554A1 (en) | 2019-11-07 |
EP3293974A1 (en) | 2018-03-14 |
US10362307B2 (en) | 2019-07-23 |
CN107809639A (zh) | 2018-03-16 |
US20180077416A1 (en) | 2018-03-15 |
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