IT1289206B1 - Metodo di ricompressione e decompressione adpcm di un flusso di dati digitali costituente un segnale video digitale e stimatore - Google Patents

Metodo di ricompressione e decompressione adpcm di un flusso di dati digitali costituente un segnale video digitale e stimatore

Info

Publication number
IT1289206B1
IT1289206B1 IT96VA000016A ITVA960016A IT1289206B1 IT 1289206 B1 IT1289206 B1 IT 1289206B1 IT 96VA000016 A IT96VA000016 A IT 96VA000016A IT VA960016 A ITVA960016 A IT VA960016A IT 1289206 B1 IT1289206 B1 IT 1289206B1
Authority
IT
Italy
Prior art keywords
estimator
stream
video signal
data constituting
decompression method
Prior art date
Application number
IT96VA000016A
Other languages
English (en)
Inventor
Danilo Pau
Original Assignee
Sgs Thomson Microelectronics
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 Sgs Thomson Microelectronics filed Critical Sgs Thomson Microelectronics
Priority to IT96VA000016A priority Critical patent/IT1289206B1/it
Publication of ITVA960016A0 publication Critical patent/ITVA960016A0/it
Priority to US08/926,352 priority patent/US6023295A/en
Publication of ITVA960016A1 publication Critical patent/ITVA960016A1/it
Application granted granted Critical
Publication of IT1289206B1 publication Critical patent/IT1289206B1/it

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
    • H04N19/42—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
    • H04N19/423—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 characterised by memory arrangements
    • H04N19/426—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 characterised by memory arrangements using memory downsizing methods
    • H04N19/428—Recompression, e.g. by spatial or temporal decimation
    • 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
    • H04N19/42—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
    • H04N19/423—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 characterised by memory arrangements
    • 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
    • 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
IT96VA000016A 1996-09-12 1996-09-12 Metodo di ricompressione e decompressione adpcm di un flusso di dati digitali costituente un segnale video digitale e stimatore IT1289206B1 (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT96VA000016A IT1289206B1 (it) 1996-09-12 1996-09-12 Metodo di ricompressione e decompressione adpcm di un flusso di dati digitali costituente un segnale video digitale e stimatore
US08/926,352 US6023295A (en) 1996-09-12 1997-09-08 ADPCM recompression and decompression of a data stream of a video image and differential variance estimator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT96VA000016A IT1289206B1 (it) 1996-09-12 1996-09-12 Metodo di ricompressione e decompressione adpcm di un flusso di dati digitali costituente un segnale video digitale e stimatore

Publications (3)

Publication Number Publication Date
ITVA960016A0 ITVA960016A0 (it) 1996-09-12
ITVA960016A1 ITVA960016A1 (it) 1998-03-12
IT1289206B1 true IT1289206B1 (it) 1998-09-29

Family

ID=11423381

Family Applications (1)

Application Number Title Priority Date Filing Date
IT96VA000016A IT1289206B1 (it) 1996-09-12 1996-09-12 Metodo di ricompressione e decompressione adpcm di un flusso di dati digitali costituente un segnale video digitale e stimatore

Country Status (2)

Country Link
US (1) US6023295A (it)
IT (1) IT1289206B1 (it)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100273110B1 (ko) * 1997-02-26 2000-12-01 윤종용 엠펙 시스템 디코더 및 이 디코더의 데이터 처리 방법
US6438693B1 (en) * 1997-09-30 2002-08-20 Sony Corporation Modular broadcast receiver system and memo
EP0917362A1 (en) * 1997-11-12 1999-05-19 STMicroelectronics S.r.l. Macroblock variance estimator for MPEG-2 video encoder
EP0920204B1 (en) * 1997-11-24 2006-02-15 STMicroelectronics S.r.l. MPEG-2 decoder with reduced RAM requisite by recompression using adaptive tree search vector quantization
TW432840B (en) * 1998-06-03 2001-05-01 Sony Corp Communication control method, system, and device
JP2000078580A (ja) * 1998-08-28 2000-03-14 Sony Corp 動きベクトル検出装置および方法、並びに提供媒体
KR100304901B1 (ko) * 1999-08-20 2001-11-01 구자홍 동영상 수신 장치
US6687410B1 (en) * 2000-02-07 2004-02-03 Sun Microsystems, Inc. Method and apparatus for compression and decompression of data
KR100335057B1 (ko) * 2000-03-08 2002-05-02 구자홍 동영상 수신 장치
US20030069985A1 (en) * 2000-10-02 2003-04-10 Eduardo Perez Computer readable media for storing video data
US6862372B2 (en) * 2001-12-27 2005-03-01 Koninklijke Philips Electronics N.V. System for and method of sharpness enhancement using coding information and local spatial features
US6873657B2 (en) * 2001-12-27 2005-03-29 Koninklijke Philips Electronics, N.V. Method of and system for improving temporal consistency in sharpness enhancement for a video signal
CA2399159A1 (en) * 2002-08-16 2004-02-16 Dspfactory Ltd. Convergence improvement for oversampled subband adaptive filters
JP3795018B2 (ja) * 2003-01-20 2006-07-12 富士通株式会社 ストリーミング送信方法、ストリーミング送信システム、データ処理装置、及びコンピュータプログラム
GB0323284D0 (en) * 2003-10-04 2003-11-05 Koninkl Philips Electronics Nv Method and apparatus for processing image data
US8050331B2 (en) * 2005-05-20 2011-11-01 Ntt Docomo, Inc. Method and apparatus for noise filtering in video coding
US20060274962A1 (en) * 2005-06-03 2006-12-07 Yi-Jen Chiu Systems and methods for improved Gaussian noise filtering
US7924914B2 (en) * 2005-09-20 2011-04-12 Intel Corporation Dynamically configuring a video decoder cache for motion compensation
JP4389866B2 (ja) * 2005-12-12 2009-12-24 セイコーエプソン株式会社 画像処理方法、画像処理装置、表示装置およびプログラム
US8369417B2 (en) * 2006-05-19 2013-02-05 The Hong Kong University Of Science And Technology Optimal denoising for video coding
US8831111B2 (en) * 2006-05-19 2014-09-09 The Hong Kong University Of Science And Technology Decoding with embedded denoising
US8578058B2 (en) * 2010-03-10 2013-11-05 International Business Machines Corporation Real-time multi-block lossless recompression
FR2973552A1 (fr) * 2011-03-29 2012-10-05 France Telecom Traitement dans le domaine code d'un signal audio code par codage micda
US20150043637A1 (en) * 2012-04-13 2015-02-12 Sony Corporation Image processing device and method
US9628499B1 (en) 2012-08-08 2017-04-18 Google Inc. Statistics-based anomaly detection
US8909605B1 (en) * 2013-02-28 2014-12-09 Emc Corporation Method and system for accelerating data movement using change information concerning difference between current and previous data movements
US9614742B1 (en) 2013-03-14 2017-04-04 Google Inc. Anomaly detection in time series data
US9451257B2 (en) 2013-03-22 2016-09-20 Stmicroelectronics S.R.L. Method and apparatus for image encoding and/or decoding and related computer program products
US9692674B1 (en) * 2013-12-30 2017-06-27 Google Inc. Non-parametric change point detection
CN111770342B (zh) * 2020-06-19 2023-09-05 艾索信息股份有限公司 一种视频无级缩放方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5440344A (en) * 1992-04-28 1995-08-08 Mitsubishi Denki Kabushiki Kaisha Video encoder using adjacent pixel difference for quantizer control
JPH10243402A (ja) * 1997-02-27 1998-09-11 Toshiba Corp 画像処理装置及び画像処理方法
JP4031564B2 (ja) * 1998-01-08 2008-01-09 東北リコー株式会社 孔版印刷装置の排版ボックス

Also Published As

Publication number Publication date
ITVA960016A1 (it) 1998-03-12
ITVA960016A0 (it) 1996-09-12
US6023295A (en) 2000-02-08

Similar Documents

Publication Publication Date Title
IT1289206B1 (it) Metodo di ricompressione e decompressione adpcm di un flusso di dati digitali costituente un segnale video digitale e stimatore
IL138535A0 (en) Method and apparatus implementing random access and time-based functions on a continuous stream of formatted digital data
NL1004050A1 (nl) Inrichtingen en werkwijzen voor kanaal-codering en kanaal-decodering van digitale data.
GB2310101B (en) Method and apparatus for decoding a digital video signal
DE69622837D1 (de) Markierung eines digital kodierten video und/oder audio signals
SG34352A1 (en) Digital signal processing method and apparatus digital signal decoding method and apparatus digital signal transmission method and recording medium
DE69533577D1 (de) Kodierungs- und/oder Dekodierungsverfahren eines digitalen Audiosignals
ID21213A (id) Susunan data sinyal citra, metode pengkodaan citra dan metode pendekodaan citra
AU3213297A (en) Processing of digital data and program guide information
KR970703015A (ko) 디지탈 무선 신호의 인코딩 및 디코딩 방법 및 장치(Method and Apparatus for Encoding and Decoding a Digital Radio Signal))
HK1022070A1 (en) Decoding of digital data including program specific information.
NO981427D0 (no) Fremgangsmåte for dekoding og koding av bevegelig-bilde signal og anordning for anvendelse av fremgangsmåten
AU6086696A (en) Apparatus and method for encoding and decoding digital video data operable to remove noise from subtitle data included therewith
FI973270A0 (fi) Menetelmä ja laite digitaalisen tiedon koodaamisessa
DE69606185D1 (de) Digitale aufnahme- und wiedergabevorrichtung
KR910014802A (ko) 디지탈 데이타 프로세서 및 그 동작 방법
DE69321038T2 (de) Kodierung und Dekodierung von digitalen Videodaten
GB2330277A8 (en) Method and apparatus for synchronizing frames within a continuous stream of digital data
GB9513790D0 (en) Method of authenticating digital data works
GB2337909B (en) Method and apparatus for encoding and decoding a sequence of digital data
DE69513059T2 (de) Aufzeichnungsapparat für digitale Videosignale
DE69727743D1 (de) Digitalsignalaufzeichnungsverfahren und -gerät
DE69435143D1 (de) Verabeitung von digitalen Videodaten
EP0977428A4 (en) DIGITAL CAMERA AND METHOD FOR CHANGING THE PROCESSING ORDER OF RECORDED IMAGE DATA
DE69429691D1 (de) Aufzeichnungs- und Wiedergabegerät für digitale Information

Legal Events

Date Code Title Description
0001 Granted