[go: up one dir, main page]

DE69422257D1 - Gerät zur Videosignalkompression unter Verwendung einer Rauschreduktion - Google Patents

Gerät zur Videosignalkompression unter Verwendung einer Rauschreduktion

Info

Publication number
DE69422257D1
DE69422257D1 DE69422257T DE69422257T DE69422257D1 DE 69422257 D1 DE69422257 D1 DE 69422257D1 DE 69422257 T DE69422257 T DE 69422257T DE 69422257 T DE69422257 T DE 69422257T DE 69422257 D1 DE69422257 D1 DE 69422257D1
Authority
DE
Germany
Prior art keywords
video signal
noise reduction
signal compression
compression
noise
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 - Fee Related
Application number
DE69422257T
Other languages
English (en)
Other versions
DE69422257T2 (de
Inventor
Robert Norman Hurst
Scott David Casavant
Paul Harquail Meehan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RCA Licensing Corp
Original Assignee
RCA Licensing Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by RCA Licensing Corp filed Critical RCA Licensing Corp
Publication of DE69422257D1 publication Critical patent/DE69422257D1/de
Application granted granted Critical
Publication of DE69422257T2 publication Critical patent/DE69422257T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • 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
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • 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
    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
    • 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

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)
  • Picture Signal Circuits (AREA)
  • Image Processing (AREA)
DE69422257T 1993-10-13 1994-10-05 Gerät zur Videosignalkompression unter Verwendung einer Rauschreduktion Expired - Fee Related DE69422257T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13638793A 1993-10-13 1993-10-13

Publications (2)

Publication Number Publication Date
DE69422257D1 true DE69422257D1 (de) 2000-01-27
DE69422257T2 DE69422257T2 (de) 2000-05-18

Family

ID=22472636

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69422257T Expired - Fee Related DE69422257T2 (de) 1993-10-13 1994-10-05 Gerät zur Videosignalkompression unter Verwendung einer Rauschreduktion

Country Status (10)

Country Link
US (1) US6115071A (de)
EP (1) EP0649262B1 (de)
JP (2) JPH07177525A (de)
KR (1) KR100317412B1 (de)
CN (1) CN1073326C (de)
DE (1) DE69422257T2 (de)
ES (1) ES2139697T3 (de)
RU (1) RU2162280C2 (de)
SG (1) SG81189A1 (de)
TW (1) TW297202B (de)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6285710B1 (en) * 1993-10-13 2001-09-04 Thomson Licensing S.A. Noise estimation and reduction apparatus for video signal processing
DE19524872C1 (de) * 1995-07-07 1997-02-20 Siemens Ag Verfahren und Anordnung zur Codierung und Decodierung von einem Videodatenstrom für alle Bildelemente des Videodatenstroms
KR100463508B1 (ko) * 1997-12-31 2005-07-07 엘지전자 주식회사 동영상 부호화기의 노이즈 제거를 위한 이득제어방법
JP3863294B2 (ja) * 1998-07-02 2006-12-27 株式会社日立製作所 ノイズ低減信号処理回路および映像表示装置
KR20000056447A (ko) * 1999-02-22 2000-09-15 윤종용 오디오 신호 압축장치
FR2828977B1 (fr) 2001-08-21 2003-12-05 Nextream Sa Dispositif et procede d'estimation du niveau de bruit, systeme de reduction de bruit et systeme de codage comprenant un tel dispositif
EP1331824A3 (de) * 2001-11-27 2005-09-14 Samsung Electronics Co., Ltd. Verfahren und Vorrichtung zur Kodierung und Dekodierung von Schlüsselwerten eines Koordinateninterpolators
EP1322121A3 (de) * 2001-12-19 2003-07-16 Matsushita Electric Industrial Co., Ltd. Videokoder und -dekoder mit verbesserter Bewegungsschätzung
US7092584B2 (en) 2002-01-04 2006-08-15 Time Warner Entertainment Company Lp Registration of separations
US6947607B2 (en) 2002-01-04 2005-09-20 Warner Bros. Entertainment Inc. Reduction of differential resolution of separations
US7827458B1 (en) 2003-03-03 2010-11-02 Apple Inc. Packet loss error recovery
US7274828B2 (en) * 2003-09-11 2007-09-25 Samsung Electronics Co., Ltd. Method and apparatus for detecting and processing noisy edges in image detail enhancement
JP2005294888A (ja) * 2004-03-31 2005-10-20 Sanyo Electric Co Ltd 信号処理回路
KR100813958B1 (ko) * 2004-06-07 2008-03-14 세종대학교산학협력단 동영상의 무손실 인코딩 및 디코딩 방법, 그 장치
KR100703770B1 (ko) 2005-03-25 2007-04-06 삼성전자주식회사 가중 예측을 이용한 비디오 코딩 및 디코딩 방법, 이를위한 장치
US8340175B2 (en) 2005-04-13 2012-12-25 Ntt Docomo, Inc. Dynamic image encoding device, dynamic image decoding device, dynamic image encoding method, dynamic image decoding method, dynamic image encoding program, and dynamic image decoding program
JP2007116351A (ja) 2005-10-19 2007-05-10 Ntt Docomo Inc 画像予測符号化装置、画像予測復号装置、画像予測符号化方法、画像予測復号方法、画像予測符号化プログラム、及び画像予測復号プログラム
BRPI0719853A2 (pt) 2006-10-10 2014-06-03 Nippon Telegraph & Telephone Método e aparelho de controle de codificação de intrapredição, programa para o mesmo, e meio de armazenamento o qual armazena o programa
WO2008075261A1 (en) * 2006-12-18 2008-06-26 Koninklijke Philips Electronics N.V. Automatic noise reduction improvement in video sequences
US8259804B2 (en) * 2007-01-03 2012-09-04 International Business Machines Corporation Method and system for signal prediction in predictive coding
US8571104B2 (en) 2007-06-15 2013-10-29 Qualcomm, Incorporated Adaptive coefficient scanning in video coding
US8619853B2 (en) 2007-06-15 2013-12-31 Qualcomm Incorporated Separable directional transforms
US8391635B2 (en) * 2007-08-31 2013-03-05 Olympus Corporation Noise removal device, noise removal method, and computer readable recording medium
TWI433545B (zh) 2007-10-30 2014-04-01 Nippon Telegraph & Telephone 影像編碼裝置及影像解碼裝置
WO2011027256A1 (en) * 2009-09-04 2011-03-10 Koninklijke Philips Electronics N.V. Scalable image coding and decoding
WO2011061958A1 (ja) 2009-11-17 2011-05-26 シャープ株式会社 復号化装置、復号化装置の制御方法、伝送システム、および制御プログラムを記録したコンピュータ読み取り可能な記録媒体
EP2503782A4 (de) 2009-11-17 2014-01-08 Sharp Kk Kodierungsvorrichtung, dekodierungsvorrichtung, steuervorrichtung für eine kodierungsvorrichtung, steuerverfahren für eine dekodierungsvorrichtung, sendesystem und computerlesbares aufzeichnungsmedium mit darauf aufgezeichnetem steuerprogramm
RU2467499C2 (ru) * 2010-09-06 2012-11-20 Государственное образовательное учреждение высшего профессионального образования "Поволжский государственный университет телекоммуникаций и информатики" (ГОУВПО ПГУТИ) Способ сжатия цифрового потока видеосигнала в телевизионном канале связи
CN102523397A (zh) * 2011-12-12 2012-06-27 四川长虹电器股份有限公司 调节屏幕画质的方法
MX2013008534A (es) * 2011-12-21 2013-08-12 Panasonic Corp Metodo de codificacion de imagen, metodo de decodificacion de imagen, aparato codificador de imagen y aparato decodificador de imagen.
US9241128B2 (en) 2013-02-14 2016-01-19 Warner Bros. Entertainment Inc. Video conversion technology
US10306229B2 (en) 2015-01-26 2019-05-28 Qualcomm Incorporated Enhanced multiple transforms for prediction residual
US10623774B2 (en) 2016-03-22 2020-04-14 Qualcomm Incorporated Constrained block-level optimization and signaling for video coding tools
US11323748B2 (en) 2018-12-19 2022-05-03 Qualcomm Incorporated Tree-based transform unit (TU) partition for video coding

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4179710A (en) * 1976-02-23 1979-12-18 Nippon Electric Co., Ltd. Predictive encoder with a non-linear quantizing characteristic
US4009334A (en) * 1976-03-17 1977-02-22 Eastman Kodak Company Video noise reduction circuit
FR2393489A2 (fr) * 1977-03-07 1978-12-29 Marconi Co Ltd Procede de reduction du bruit dans des signaux electriques
EP0004728B1 (de) * 1978-04-03 1982-04-28 British Broadcasting Corporation Rauschverminderung in elektrischen Signalen
US4538236A (en) * 1982-09-24 1985-08-27 Rca Corporation Adaptive digital signal coring circuit
US4549212A (en) * 1983-08-11 1985-10-22 Eastman Kodak Company Image processing method using a collapsed Walsh-Hadamard transform
US4885637A (en) * 1986-07-26 1989-12-05 Canon Kabushiki Kaisha Encoder
JP2601810B2 (ja) * 1986-12-22 1997-04-16 株式会社東芝 雑音低減回路
GB8701475D0 (en) * 1987-01-23 1987-02-25 British Broadcasting Corp Predictive techniques to analogue transmission of video signals
DE3820039A1 (de) * 1988-06-13 1989-12-21 Ant Nachrichtentech Verfahren zur aufbereitung und uebertragung einer bildsequenz
US4941043A (en) * 1988-06-14 1990-07-10 Siemens Aktiengesellschaft Method for reducing blocking artifacts in video scene coding with discrete cosine transformation (DCT) at a low data rate
US4985768A (en) * 1989-01-20 1991-01-15 Victor Company Of Japan, Ltd. Inter-frame predictive encoding system with encoded and transmitted prediction error
JP2732650B2 (ja) * 1989-02-28 1998-03-30 株式会社東芝 垂直エッジ検出回路
US5005082A (en) * 1989-10-03 1991-04-02 General Electric Company Video signal compander adaptively responsive to predictions of the video signal processed
US5150432A (en) * 1990-03-26 1992-09-22 Kabushiki Kaisha Toshiba Apparatus for encoding/decoding video signals to improve quality of a specific region
JPH0411466A (ja) * 1990-04-28 1992-01-16 Sony Corp ノイズリデューサ
US5010402A (en) * 1990-05-17 1991-04-23 Matsushita Electric Industrial Co., Ltd. Video signal compression apparatus
US5130798A (en) * 1991-01-31 1992-07-14 Thomson Consumer Electronics, Inc. Dual band progressive television system with noise reduction

Also Published As

Publication number Publication date
SG81189A1 (en) 2001-06-19
RU94036752A (ru) 1996-09-10
EP0649262B1 (de) 1999-12-22
ES2139697T3 (es) 2000-02-16
RU2162280C2 (ru) 2001-01-20
TW297202B (de) 1997-02-01
JPH07177525A (ja) 1995-07-14
CN1073326C (zh) 2001-10-17
DE69422257T2 (de) 2000-05-18
KR950013267A (ko) 1995-05-17
JP2008113463A (ja) 2008-05-15
CN1110856A (zh) 1995-10-25
KR100317412B1 (ko) 2002-02-19
EP0649262A1 (de) 1995-04-19
US6115071A (en) 2000-09-05

Similar Documents

Publication Publication Date Title
DE69422257D1 (de) Gerät zur Videosignalkompression unter Verwendung einer Rauschreduktion
DE69225164D1 (de) Gerät zur Segmentierung von kodierten Videosignalen zur Übertragung
DE69423795D1 (de) Vorrichtung zur Aufzeichnung von digitalen Videosignalen
DE69130076D1 (de) Videosignalübertragungssystem und -verfahren zur Kodierung von Videosignalen
DE69226160D1 (de) Vorrichtung zur Kompressionskodierung von Videosignalen
DE69739577D1 (de) Vorrichtung zur Videodekodierung
DE69022891D1 (de) Gerät zur Kompensierung von Videosignalen.
DE69412834D1 (de) Vorrichtung zur bereitstellung von komprimierten bildsignalen ohne zeilensprung
DE69305754D1 (de) Fernmesssystem mit Schallschwingungen
DE69521966D1 (de) Einrichtung zur Kodierung eines Videosignales bei Anwesenheit eines Leuchtdichtegradienten
DE69636337D1 (de) System zur änderung kodierter videorahmen
DE69718182D1 (de) Fernsehsignalempfängersystem für mehrere modulationsverfahren
DE69616397D1 (de) Fernsehempfänger
DE69533461D1 (de) Videoeinzelbildabspeichervorrichtung mit System zur Analyse von analogen Videosignalen
DE69316054D1 (de) Gerät zur Rauschunterdrückung
DE69635820D1 (de) Fernsehprogrammführungssignalempfänger
DE69121626D1 (de) Einrichtung zur Fernsehsignalumwandlung
DE4292010T1 (de) Verbindungskabel zur Übertragung niederfrequenter Signale
DE69738189D1 (de) Vorrichtung zur Mischung von Videosignalen
DE69726110D1 (de) Videoübertragungssystem
DE69527584D1 (de) Vorrichtung zur Videokodierung
DE69124210D1 (de) Einrichtung zur Signalcodierung
DE69708191D1 (de) Vorrichtung zur Signalkodierung
DE69515610D1 (de) Vorrichtung zur Mischung von Videosignalen
DE69633348D1 (de) Gerät zur Wiedergabe von digitalen Signalen

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee