CN1225915C - 检测编码视频数据流中的噪音的方法 - Google Patents
检测编码视频数据流中的噪音的方法 Download PDFInfo
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- CN1225915C CN1225915C CNB021217017A CN02121701A CN1225915C CN 1225915 C CN1225915 C CN 1225915C CN B021217017 A CNB021217017 A CN B021217017A CN 02121701 A CN02121701 A CN 02121701A CN 1225915 C CN1225915 C CN 1225915C
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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
- H04N19/50—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
- H04N19/40—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video transcoding, i.e. partial or full decoding of a coded input stream followed by re-encoding of the decoded output stream
-
- 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
- H04N19/117—Filters, e.g. for pre-processing or post-processing
-
- 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
- H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
- H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame 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
- H04N19/10—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
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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
- H04N19/48—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using compressed domain processing techniques other than decoding, e.g. modification of transform coefficients, variable length coding [VLC] data or run-length data
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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
- H04N19/60—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
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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
- H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
Abstract
Description
Claims (6)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0105507A FR2823943A1 (fr) | 2001-04-24 | 2001-04-24 | Procede de detection de bruit dans un flux de donnees video codees |
FR01/05507 | 2001-04-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1383330A CN1383330A (zh) | 2002-12-04 |
CN1225915C true CN1225915C (zh) | 2005-11-02 |
Family
ID=8862637
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB021217017A Expired - Fee Related CN1225915C (zh) | 2001-04-24 | 2002-04-20 | 检测编码视频数据流中的噪音的方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20020168011A1 (zh) |
EP (1) | EP1261209A3 (zh) |
JP (1) | JP2003023640A (zh) |
KR (1) | KR100922077B1 (zh) |
CN (1) | CN1225915C (zh) |
FR (1) | FR2823943A1 (zh) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004518342A (ja) * | 2001-01-12 | 2004-06-17 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | スケーラブルビデオトランスコーディング方法及び装置 |
NO318973B1 (no) | 2003-07-01 | 2005-05-30 | Tandberg Telecom As | Fremgangsmate for stoyreduksjon |
JP2007336468A (ja) * | 2006-06-19 | 2007-12-27 | Sharp Corp | 再符号化装置、再符号化方法およびプログラム |
JP4847890B2 (ja) * | 2007-02-16 | 2011-12-28 | パナソニック株式会社 | 符号化方式変換装置 |
JP5256095B2 (ja) * | 2009-03-31 | 2013-08-07 | 株式会社日立製作所 | 圧縮画像ノイズ除去装置と再生装置 |
KR20110005093A (ko) * | 2009-07-09 | 2011-01-17 | 삼성전자주식회사 | 압축 노이즈를 감소시키기 위한 영상처리방법 및 장치 |
WO2012035728A1 (ja) * | 2010-09-16 | 2012-03-22 | パナソニック株式会社 | 画像復号装置、画像符号化装置、それらの方法、プログラム、集積回路およびトランスコード装置 |
US9762900B2 (en) | 2011-06-17 | 2017-09-12 | Lg Electronics Inc. | Method and apparatus for encoding/decoding video in intra prediction mode |
US9087260B1 (en) * | 2012-01-03 | 2015-07-21 | Google Inc. | Hierarchical randomized quantization of multi-dimensional features |
CN104537073B (zh) * | 2014-12-31 | 2018-05-01 | 合一网络技术(北京)有限公司 | 网络多媒体对象播放信息的估算方法 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5654760A (en) * | 1994-03-30 | 1997-08-05 | Sony Corporation | Selection of quantization step size in accordance with predicted quantization noise |
EP0690392B1 (en) * | 1994-06-30 | 2001-09-26 | Koninklijke Philips Electronics N.V. | Method and device for transcoding a sequence of coded digital signals |
JPH09163373A (ja) * | 1995-12-08 | 1997-06-20 | Toshiba Corp | 雑音低減装置 |
JPH09322176A (ja) * | 1995-12-20 | 1997-12-12 | Sanyo Electric Co Ltd | 符号化モード選択方法、動画像符号化装置、符号化方法、記録方法、及び伝送方法 |
US5963673A (en) * | 1995-12-20 | 1999-10-05 | Sanyo Electric Co., Ltd. | Method and apparatus for adaptively selecting a coding mode for video encoding |
US5737019A (en) * | 1996-01-29 | 1998-04-07 | Matsushita Electric Corporation Of America | Method and apparatus for changing resolution by direct DCT mapping |
MY118360A (en) * | 1996-04-30 | 2004-10-30 | Nippon Telegraph & Telephone | Scheme for detecting shot boundaries in compressed video data using inter-frame/inter field prediction coding and intra-frame/intra-field coding |
JP2000502549A (ja) * | 1996-10-24 | 2000-02-29 | フィリップス エレクトロニクス ネムローゼ フェンノートシャップ | ノイズフィルタ処理 |
KR100243225B1 (ko) * | 1997-07-16 | 2000-02-01 | 윤종용 | 블록화효과 및 링잉잡음 감소를 위한 신호적응필터링방법 및신호적응필터 |
US5978029A (en) * | 1997-10-10 | 1999-11-02 | International Business Machines Corporation | Real-time encoding of video sequence employing two encoders and statistical analysis |
US6434197B1 (en) * | 1999-01-07 | 2002-08-13 | General Instrument Corporation | Multi-functional transcoder for compressed bit streams |
WO2000042778A1 (en) * | 1999-01-15 | 2000-07-20 | Koninklijke Philips Electronics N.V. | Sharpness enhancement |
US6975777B1 (en) * | 1999-03-26 | 2005-12-13 | Victor Company Of Japan, Ltd. | Apparatus and method of block noise detection and reduction |
-
2001
- 2001-04-24 FR FR0105507A patent/FR2823943A1/fr active Pending
-
2002
- 2002-04-17 EP EP02076504A patent/EP1261209A3/fr not_active Withdrawn
- 2002-04-20 CN CNB021217017A patent/CN1225915C/zh not_active Expired - Fee Related
- 2002-04-22 US US10/127,529 patent/US20020168011A1/en not_active Abandoned
- 2002-04-23 JP JP2002121355A patent/JP2003023640A/ja not_active Withdrawn
- 2002-04-24 KR KR1020020022436A patent/KR100922077B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US20020168011A1 (en) | 2002-11-14 |
JP2003023640A (ja) | 2003-01-24 |
KR20020082795A (ko) | 2002-10-31 |
FR2823943A1 (fr) | 2002-10-25 |
CN1383330A (zh) | 2002-12-04 |
KR100922077B1 (ko) | 2009-10-16 |
EP1261209A2 (fr) | 2002-11-27 |
EP1261209A3 (fr) | 2005-03-30 |
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