CN1383330A - 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
- Publication number
- CN1383330A CN1383330A CN02121701A CN02121701A CN1383330A CN 1383330 A CN1383330 A CN 1383330A CN 02121701 A CN02121701 A CN 02121701A CN 02121701 A CN02121701 A CN 02121701A CN 1383330 A CN1383330 A CN 1383330A
- Authority
- CN
- China
- Prior art keywords
- video data
- noise
- data stream
- coding
- type
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 78
- 238000006243 chemical reaction Methods 0.000 claims description 30
- 238000001914 filtration Methods 0.000 claims description 22
- 238000013139 quantization Methods 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 10
- 238000011002 quantification Methods 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 5
- 238000004590 computer program Methods 0.000 claims description 4
- 230000003584 silencer Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 230000004075 alteration Effects 0.000 description 3
- 239000004744 fabric Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000021615 conjugation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 238000007619 statistical method Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Images
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
- H04N19/50—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
-
- 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
-
- 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
- H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
Description
Claims (9)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR01/05507 | 2001-04-24 | ||
FR0105507A FR2823943A1 (fr) | 2001-04-24 | 2001-04-24 | Procede de detection de bruit dans un flux de donnees video codees |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1383330A true CN1383330A (zh) | 2002-12-04 |
CN1225915C 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) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102550030A (zh) * | 2010-09-16 | 2012-07-04 | 松下电器产业株式会社 | 图像解码装置、图像编码装置、及其方法、程序、集成电路以及代码转换装置 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20030005223A (ko) * | 2001-01-12 | 2003-01-17 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 스케일링가능한 비디오 트랜스코딩을 위한 방법 및 장치 |
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 |
KR101876173B1 (ko) | 2011-06-17 | 2018-07-09 | 엘지전자 주식회사 | 인트라 예측 모드 부호화/복호화 방법 및 장치 |
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 |
DE69522861T2 (de) * | 1994-06-30 | 2002-04-11 | Koninklijke Philips Electronics N.V., Eindhoven | Verfahren und Einrichtung zur Codeumwandlung von codiertem Datenstrom |
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 |
US5911008A (en) * | 1996-04-30 | 1999-06-08 | Nippon Telegraph And Telephone Corporation | Scheme for detecting shot boundaries in compressed video data using inter-frame/inter-field prediction coding and intra-frame/intra-field coding |
WO1998018256A2 (en) * | 1996-10-24 | 1998-04-30 | Philips Electronics N.V. | Noise filtering |
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
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102550030A (zh) * | 2010-09-16 | 2012-07-04 | 松下电器产业株式会社 | 图像解码装置、图像编码装置、及其方法、程序、集成电路以及代码转换装置 |
US9185406B2 (en) | 2010-09-16 | 2015-11-10 | Panasonic Intellectual Property Management Co., Ltd. | Image decoding device, image coding device, methods thereof, programs thereof, integrated circuits thereof, and transcoding device |
CN102550030B (zh) * | 2010-09-16 | 2016-07-06 | 松下知识产权经营株式会社 | 图像解码装置、图像编码装置、及其方法、程序、集成电路以及代码转换装置 |
Also Published As
Publication number | Publication date |
---|---|
KR20020082795A (ko) | 2002-10-31 |
US20020168011A1 (en) | 2002-11-14 |
KR100922077B1 (ko) | 2009-10-16 |
JP2003023640A (ja) | 2003-01-24 |
CN1225915C (zh) | 2005-11-02 |
FR2823943A1 (fr) | 2002-10-25 |
EP1261209A3 (fr) | 2005-03-30 |
EP1261209A2 (fr) | 2002-11-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1283100C (zh) | 基于时间和空间复杂性自适应编码运动图像的方法及装置 | |
CN1098597C (zh) | 视频信号处理的噪声估计与降低装置 | |
CN101969563B (zh) | 图像处理装置以及图像处理方法 | |
RU2517253C1 (ru) | Способ и устройство для кодирования видеоинформации посредством предсказания движения с использованием произвольной области, а также устройство и способ декодирования видеоинформации посредством предсказания движения с использованием произвольной области | |
CN1094291C (zh) | 环路滤波器和环路滤波方法 | |
JP4249790B2 (ja) | ビデオ画像を処理するコンピュータ実行方法及び記録媒体 | |
RU2406255C2 (ru) | Прогнозирование коэффициентов преобразования для сжатия изображения | |
KR101354151B1 (ko) | 영상 변환 방법 및 장치, 역변환 방법 및 장치 | |
CN1212019C (zh) | 视频解码器以及解码已压缩视频信号的方法 | |
CN100435586C (zh) | 用于预测运动的方法和设备 | |
CN1941911B (zh) | 退色补偿的参数化 | |
CN1596422A (zh) | 用于估算压缩视频数据客观质量的方法和系统 | |
JP2007503784A (ja) | ハイブリッドビデオ圧縮法 | |
CN1225915C (zh) | 检测编码视频数据流中的噪音的方法 | |
CN1913632A (zh) | 运动画面编码方法和设备 | |
CN114157863B (zh) | 基于数字视网膜的视频编码方法、系统及存储介质 | |
KR20080086766A (ko) | 픽셀 단위의 컨텍스트 모델을 이용한 영상의 부호화,복호화 방법 및 장치 | |
CN100474930C (zh) | 在基于多重扫描的帧内模式中编码和解码的方法和设备 | |
CN105791868A (zh) | 视频编码的方法和设备 | |
CN1420633A (zh) | 图像编码装置以及图像编码方法 | |
CN1143553C (zh) | 用于编码/译码运动图象的装置和方法 | |
Demaret et al. | Scattered data coding in digital image compression | |
CN1703911A (zh) | 降低已压缩多媒体的比特率 | |
CN1848960A (zh) | 使用非标准化矢量量化编码器的符合视频标准的残差编码 | |
CN1625266A (zh) | 计算绝对差值的设备、运动估计设备和运动图像编码设备 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: IPG ELECTRONICS 503 CO., LTD. Free format text: FORMER OWNER: ROYAL PHILIPS ELECTRONICS CO., LTD. Effective date: 20090828 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20090828 Address after: British Channel Islands Patentee after: Koninkl Philips Electronics NV Address before: Holland Ian Deho Finn Patentee before: Koninklike Philips Electronics N. V. |
|
ASS | Succession or assignment of patent right |
Owner name: PENDRAGON WIRELESS CO., LTD. Free format text: FORMER OWNER: IPG ELECTRONICS 503 LTD. Effective date: 20130109 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20130109 Address after: Washington State Patentee after: Pendragon wireless limited liability company Address before: British Channel Islands Patentee before: Koninkl Philips Electronics NV |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20051102 Termination date: 20140420 |