DE69528881D1 - Bildkodierer mit Herausziehung von bewegten Bereichen - Google Patents
Bildkodierer mit Herausziehung von bewegten BereichenInfo
- Publication number
- DE69528881D1 DE69528881D1 DE69528881T DE69528881T DE69528881D1 DE 69528881 D1 DE69528881 D1 DE 69528881D1 DE 69528881 T DE69528881 T DE 69528881T DE 69528881 T DE69528881 T DE 69528881T DE 69528881 D1 DE69528881 D1 DE 69528881D1
- Authority
- DE
- Germany
- Prior art keywords
- extraction
- image encoder
- moving areas
- areas
- moving
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- 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
-
- 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
- H04N19/103—Selection of coding mode or of prediction mode
- H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
-
- 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
- H04N19/136—Incoming video signal characteristics or properties
- H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
- H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
-
- 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
-
- 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
- H04N19/142—Detection of scene cut or scene change
-
- 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
- H04N19/169—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
- H04N19/18—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 a set of transform coefficients
-
- 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
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
-
- 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
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
-
- 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
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
-
- 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
- H04N19/146—Data rate or code amount at the encoder output
-
- 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
- H04N19/146—Data rate or code amount at the encoder output
- H04N19/152—Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer
-
- 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
- H04N19/20—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object coding
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Image Processing (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP32548994A JP3258840B2 (ja) | 1994-12-27 | 1994-12-27 | 動画像符号化装置および領域抽出装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69528881D1 true DE69528881D1 (de) | 2003-01-02 |
DE69528881T2 DE69528881T2 (de) | 2003-09-18 |
Family
ID=18177454
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1995628881 Expired - Lifetime DE69528881T2 (de) | 1994-12-27 | 1995-12-04 | Bildkodierer mit Herausziehung von bewegten Bereichen |
Country Status (4)
Country | Link |
---|---|
US (3) | US5729295A (de) |
EP (1) | EP0720385B1 (de) |
JP (1) | JP3258840B2 (de) |
DE (1) | DE69528881T2 (de) |
Families Citing this family (83)
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US6313863B1 (en) * | 1994-07-29 | 2001-11-06 | Canon Kabushiki Kaisha | Image communication apparatus and system |
JP3258840B2 (ja) * | 1994-12-27 | 2002-02-18 | シャープ株式会社 | 動画像符号化装置および領域抽出装置 |
US6020925A (en) * | 1994-12-30 | 2000-02-01 | Daewoo Electronics Co., Ltd. | Method and apparatus for encoding a video signal using pixel-by-pixel motion prediction |
JP3461626B2 (ja) * | 1995-07-28 | 2003-10-27 | シャープ株式会社 | 特定画像領域抽出方法及び特定画像領域抽出装置 |
JP3809661B2 (ja) * | 1995-12-28 | 2006-08-16 | ソニー株式会社 | 動き検出装置および動き検出方法 |
WO1998015117A1 (en) * | 1996-10-04 | 1998-04-09 | Nippon Telegraph And Telephone Corporation | Method for temporally and spatially integrating and managing a plurality of videos, device used for the same, and recording medium storing program of the method |
US6008853A (en) * | 1996-11-15 | 1999-12-28 | Texas Instruments Incorporated | Sub-frame decoder with area dependent update rate for digital camcorder transmission standard |
JPH10174103A (ja) * | 1996-12-13 | 1998-06-26 | Matsushita Electric Ind Co Ltd | 画像符号化装置、符号化画像記録媒体、画像復号化装置、画像符号化方法、および符号化画像伝送方法 |
US6633609B1 (en) * | 1996-12-24 | 2003-10-14 | Intel Corporation | Method and apparatus for bit rate control in a digital video environment for arbitrary bandwidth |
TR199700058A3 (tr) * | 1997-01-29 | 1998-08-21 | Onural Levent | Kurallara dayali hareketli nesne bölütlemesi. |
US6115420A (en) * | 1997-03-14 | 2000-09-05 | Microsoft Corporation | Digital video signal encoder and encoding method |
JP3052893B2 (ja) * | 1997-05-16 | 2000-06-19 | 日本電気株式会社 | 動画像符号化装置 |
JP3381827B2 (ja) * | 1997-06-04 | 2003-03-04 | 富士ゼロックス株式会社 | カラー画像符号化装置およびカラー画像復号装置 |
DE69826823T2 (de) * | 1997-07-29 | 2005-10-20 | Koninklijke Philips Electronics N.V. | Verfahren zur videocodierung mit variabler bitrate und entsprechender videocodierer |
FR2769454A1 (fr) * | 1997-10-06 | 1999-04-09 | Canon Kk | Procede et dispositif de codage et decodage de donnees, notamment de sequences d'images numeriques |
EP0905982A3 (de) * | 1997-09-30 | 1999-07-07 | Canon Kabushiki Kaisha | Verfahren und Vorrichtung zur Kodierung und Dekodierung von Daten, insbesondere Digitalbildfolgen |
DE59803369D1 (de) * | 1997-10-28 | 2002-04-18 | Siemens Ag | Verfahren und vorrichtung zur verarbeitung eines digitalisierten bildes |
EP0920216A1 (de) * | 1997-11-25 | 1999-06-02 | Deutsche Thomson-Brandt Gmbh | Verfahren und Vorrichtung zur Codierung und zur Decodierung einer Bildsequenz |
JP4231565B2 (ja) * | 1997-12-19 | 2009-03-04 | テキサス インスツルメンツ インコーポレイテツド | 画像情報エンコーディングシステム |
US6307886B1 (en) * | 1998-01-20 | 2001-10-23 | International Business Machines Corp. | Dynamically determining group of picture size during encoding of video sequence |
JP4261630B2 (ja) * | 1998-02-04 | 2009-04-30 | キヤノン株式会社 | 画像符号化装置及び方法、画像符号化プログラムが記録されたコンピュータ可読記録媒体 |
EP0935396A3 (de) * | 1998-02-09 | 2004-08-11 | Matsushita Electric Industrial Co., Ltd. | Videokodierungsverfahren und -vorrichtung |
EP0949822A3 (de) * | 1998-04-07 | 2004-07-28 | Matsushita Electric Industrial Co., Ltd. | Steuerungsverfahren und -vorrichtung für Videocodierung |
JP3560217B2 (ja) * | 1998-04-30 | 2004-09-02 | ソニー株式会社 | データ符号化装置、データ符号化方法及びデータ伝送方法 |
JP3748717B2 (ja) | 1998-08-31 | 2006-02-22 | シャープ株式会社 | 動画像符号化装置 |
US20020051491A1 (en) * | 1998-11-20 | 2002-05-02 | Kiran Challapali | Extraction of foreground information for video conference |
JP3711770B2 (ja) * | 1998-11-27 | 2005-11-02 | コニカミノルタホールディングス株式会社 | 画像処理装置および画像処理方法ならびに画像処理プログラムを記録した記録媒体 |
US6850565B2 (en) * | 1998-12-18 | 2005-02-01 | Intel Corporation | Real time bit rate control system |
US6389072B1 (en) * | 1998-12-23 | 2002-05-14 | U.S. Philips Corp. | Motion analysis based buffer regulation scheme |
JP3897476B2 (ja) * | 1999-02-15 | 2007-03-22 | キヤノン株式会社 | 画像処理装置及びその方法、コンピュータ可読メモリ |
JP4157234B2 (ja) * | 1999-09-02 | 2008-10-01 | 株式会社東芝 | 動画像内の移動物体検出装置 |
US6600784B1 (en) * | 2000-02-02 | 2003-07-29 | Mitsubishi Electric Research Laboratories, Inc. | Descriptor for spatial distribution of motion activity in compressed video |
JP2001282218A (ja) * | 2000-03-31 | 2001-10-12 | Pioneer Electronic Corp | 画像処理装置 |
JP4219532B2 (ja) * | 2000-06-09 | 2009-02-04 | 三菱電機株式会社 | 画像符号化装置 |
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JP4993676B2 (ja) * | 2006-09-01 | 2012-08-08 | キヤノン株式会社 | 画像符号化装置及び画像符号化方法 |
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JP4897600B2 (ja) * | 2007-07-19 | 2012-03-14 | 富士フイルム株式会社 | 画像処理装置、画像処理方法、及びプログラム |
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JP4519933B2 (ja) | 2008-11-28 | 2010-08-04 | 株式会社東芝 | 動画像符号化装置および動画像符号化方法 |
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JP5801614B2 (ja) * | 2011-06-09 | 2015-10-28 | キヤノン株式会社 | 画像処理装置、画像処理方法 |
JP5839848B2 (ja) | 2011-06-13 | 2016-01-06 | キヤノン株式会社 | 画像処理装置、画像処理方法 |
US9014493B2 (en) | 2011-09-06 | 2015-04-21 | Intel Corporation | Analytics assisted encoding |
JP5871628B2 (ja) * | 2011-11-07 | 2016-03-01 | 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、画像復号装置、画像復号方法及びプログラム |
JP2013102297A (ja) | 2011-11-07 | 2013-05-23 | Canon Inc | 画像符号化方法、画像符号化装置及びプログラム、画像復号方法、画像復号装置及びプログラム |
TW201419868A (zh) * | 2012-09-11 | 2014-05-16 | Nec Corp | 通訊系統與方法以及伺服器裝置與終端設備 |
CN105678702B (zh) * | 2015-12-25 | 2018-10-19 | 北京理工大学 | 一种基于特征跟踪的人脸图像序列生成方法及装置 |
US10362307B2 (en) * | 2016-09-09 | 2019-07-23 | Hanwha Techwin Co., Ltd. | Quantization parameter determination method and image capture apparatus |
JP6270293B1 (ja) * | 2016-11-01 | 2018-01-31 | Nttエレクトロニクス株式会社 | 動画像符号化装置および動画像符号化方法 |
CN113170133A (zh) * | 2018-11-27 | 2021-07-23 | Op方案有限责任公司 | 用于图片的基于块的空间活动度量 |
CN113438468B (zh) * | 2020-03-23 | 2023-02-28 | 浙江宇视科技有限公司 | 视频质量的动态控制方法、装置、存储介质及电子设备 |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4951140A (en) * | 1988-02-22 | 1990-08-21 | Kabushiki Kaisha Toshiba | Image encoding apparatus |
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EP0479510B1 (de) * | 1990-09-29 | 2000-06-28 | Victor Company Of Japan, Ltd. | Bildsignalkodierer/Dekodierer mit adaptiver Quantisierung |
JPH04270565A (ja) * | 1991-02-20 | 1992-09-25 | Fuji Xerox Co Ltd | 画像圧縮装置 |
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-
1994
- 1994-12-27 JP JP32548994A patent/JP3258840B2/ja not_active Expired - Fee Related
-
1995
- 1995-11-27 US US08/563,003 patent/US5729295A/en not_active Expired - Lifetime
- 1995-12-04 EP EP19950308740 patent/EP0720385B1/de not_active Expired - Lifetime
- 1995-12-04 DE DE1995628881 patent/DE69528881T2/de not_active Expired - Lifetime
-
1998
- 1998-01-16 US US09/008,480 patent/US6064436A/en not_active Expired - Fee Related
- 1998-01-16 US US09/008,483 patent/US5907361A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0720385A2 (de) | 1996-07-03 |
JP3258840B2 (ja) | 2002-02-18 |
US5729295A (en) | 1998-03-17 |
JPH08181992A (ja) | 1996-07-12 |
US6064436A (en) | 2000-05-16 |
DE69528881T2 (de) | 2003-09-18 |
US5907361A (en) | 1999-05-25 |
EP0720385A3 (de) | 1998-12-02 |
EP0720385B1 (de) | 2002-11-20 |
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