KR890700294A - 디지털화된 영상의 데이타비 감축용 회로장치 및 방법 - Google Patents

디지털화된 영상의 데이타비 감축용 회로장치 및 방법

Info

Publication number
KR890700294A
KR890700294A KR1019880700965A KR880700965A KR890700294A KR 890700294 A KR890700294 A KR 890700294A KR 1019880700965 A KR1019880700965 A KR 1019880700965A KR 880700965 A KR880700965 A KR 880700965A KR 890700294 A KR890700294 A KR 890700294A
Authority
KR
South Korea
Prior art keywords
reducing
circuit device
digitized images
data ratio
digitized
Prior art date
Application number
KR1019880700965A
Other languages
English (en)
Other versions
KR950006780B1 (ko
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 filed Critical
Publication of KR890700294A publication Critical patent/KR890700294A/ko
Application granted granted Critical
Publication of KR950006780B1 publication Critical patent/KR950006780B1/ko

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
    • H04N19/134—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
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/41—Bandwidth or redundancy reduction
    • 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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
KR1019880700965A 1986-12-12 1987-11-24 디지탈화된 영상의 데이타비 감축용 회로장치 및 방법 KR950006780B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE3642492.7 1986-12-12
DE19863642492 DE3642492A1 (de) 1986-12-12 1986-12-12 Verfahren und schaltungsanordnung zur reduktion der datenrate digitalisierter bilder
PCT/DE1987/000509 WO1988004508A1 (en) 1986-12-12 1987-11-24 Process and circuitry for reducing the data rate of digital pictures

Publications (2)

Publication Number Publication Date
KR890700294A true KR890700294A (ko) 1989-03-11
KR950006780B1 KR950006780B1 (ko) 1995-06-22

Family

ID=6316058

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880700965A KR950006780B1 (ko) 1986-12-12 1987-11-24 디지탈화된 영상의 데이타비 감축용 회로장치 및 방법

Country Status (6)

Country Link
US (1) US4931869A (ko)
EP (1) EP0335872B1 (ko)
JP (1) JP2950827B2 (ko)
KR (1) KR950006780B1 (ko)
DE (2) DE3642492A1 (ko)
WO (1) WO1988004508A1 (ko)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02226886A (ja) * 1989-02-28 1990-09-10 Sony Corp データ伝送装置及び伝送方法
DE3906712A1 (de) * 1989-03-03 1990-09-06 Thomson Brandt Gmbh Elektronisches bildwiedergabegeraet
FR2644962A1 (fr) * 1989-03-24 1990-09-28 Labo Electronique Physique Dispositif de codage de signaux video numeriques
DE3914267A1 (de) * 1989-04-29 1990-10-31 Thomson Brandt Gmbh Signalverarbeitungssystem fuer digitalsignale
JPH03129987A (ja) * 1989-10-14 1991-06-03 Sony Corp 映像信号符号化装置及び映像信号符号化方法
US5134476A (en) * 1990-03-30 1992-07-28 At&T Bell Laboratories Video signal encoding with bit rate control
US5107348A (en) * 1990-07-11 1992-04-21 Zenith Electronics Corporation Temporal decorrelation of block artifacts
US5161015A (en) * 1990-12-31 1992-11-03 Zenith Electronics Corporation System for peaking a video signal with a control signal representative of the perceptual nature of blocks of video pixels
US5784107A (en) * 1991-06-17 1998-07-21 Matsushita Electric Industrial Co., Ltd. Method and apparatus for picture coding and method and apparatus for picture decoding
JP2586260B2 (ja) * 1991-10-22 1997-02-26 三菱電機株式会社 適応的ブロッキング画像符号化装置
KR940011605B1 (ko) * 1991-12-20 1994-12-22 삼성전자 주식회사 고정비트율 설정에 의한 영상압축방식
US5719961A (en) * 1994-07-22 1998-02-17 Apple Computer, Inc. Adaptive technique for encoder and decoder signal transformation
GB2306830B (en) * 1995-10-30 2000-05-24 Sony Uk Ltd Video data compression
JP4432262B2 (ja) * 1999-03-12 2010-03-17 ソニー株式会社 画像処理装置、画像処理方法及び記録媒体
US20060159352A1 (en) * 2005-01-18 2006-07-20 Faisal Ishtiaq Method and apparatus for encoding a video sequence

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3124550A1 (de) * 1981-06-23 1982-12-30 Philips Patentverwaltung Gmbh, 2000 Hamburg Verfahren und anordnung zum speichern oder uebertragen und zum rueckgewinnen von bildsignalen
IT1155557B (it) * 1982-07-19 1987-01-28 Cselt Centro Studi Lab Telecom Metdodo e dispositivo per la codifica del segnale d immagine con riduzione di ridondanza a distorsione localmente uniforme
DE3678029D1 (de) * 1985-04-17 1991-04-18 Siemens Ag Verfahren zur bilddatenreduktion fuer digitale fernsehsignale.
JPS62222783A (ja) * 1986-03-24 1987-09-30 Kokusai Denshin Denwa Co Ltd <Kdd> 動画像の高能率符号化方式
US4704628A (en) * 1986-07-16 1987-11-03 Compression Labs, Inc. Combined intraframe and interframe transform coding system

Also Published As

Publication number Publication date
US4931869A (en) 1990-06-05
KR950006780B1 (ko) 1995-06-22
DE3642492A1 (de) 1988-06-23
WO1988004508A1 (en) 1988-06-16
EP0335872A1 (de) 1989-10-11
JPH02501610A (ja) 1990-05-31
EP0335872B1 (de) 1993-09-08
JP2950827B2 (ja) 1999-09-20
DE3787378D1 (de) 1993-10-14

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Legal Events

Date Code Title Description
A201 Request for examination
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
LAPS Lapse due to unpaid annual fee