KR970004878A - 비디오 압축 방법 및 장치 - Google Patents

비디오 압축 방법 및 장치 Download PDF

Info

Publication number
KR970004878A
KR970004878A KR1019960020928A KR19960020928A KR970004878A KR 970004878 A KR970004878 A KR 970004878A KR 1019960020928 A KR1019960020928 A KR 1019960020928A KR 19960020928 A KR19960020928 A KR 19960020928A KR 970004878 A KR970004878 A KR 970004878A
Authority
KR
South Korea
Prior art keywords
frames
frame
group
video
video compression
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
Application number
KR1019960020928A
Other languages
English (en)
Other versions
KR100475198B1 (ko
Inventor
헤들리 윌킨슨 제임스
Original Assignee
엠. 츠루아이
소니 유나이티드 킹덤 리미티드
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 엠. 츠루아이, 소니 유나이티드 킹덤 리미티드 filed Critical 엠. 츠루아이
Publication of KR970004878A publication Critical patent/KR970004878A/ko
Application granted granted Critical
Publication of KR100475198B1 publication Critical patent/KR100475198B1/ko
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
    • H04N19/10—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
    • H04N19/186—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 a colour or a chrominance component
    • 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
    • H04N19/89—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder
    • 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
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • 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
    • H04N19/587—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal sub-sampling or interpolation, e.g. decimation or subsequent interpolation of pictures in a video sequence
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets

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

디코더 재조성 에러는, 일부 프레임들에 의해 발생된 에러가 다른 프레임들에 의해 발생된 에러보다 더 낮으므로, 다른 프레임들에 걸쳐 에러를 균일화하는 인코더에서 보상하기 위해 추정된다. 보상은 프레임 그룹내의 특정 번호의 프레임에 각각 관련된 시간 대역의 형태로 적용된 시간 가중화에 의해 이루어 진다. 2n개 프레임들 내의 한 프레임은 'T' 프레임이며 나머지 프레임은 'B' 프레임인 로그적 시간 데시메이션 프레임 구조에 대해 상기 기술이 응용될 수 있다.

Description

비디오 압축 방법 및 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 로그적(logarithmic) 시간 데시메이션 구조를 개략적으로 도시한 도면.

Claims (8)

  1. 현재의 비디오 프레임에 종속된 인코더내의 재조성(reconstruction)에러를 추정하는 단계 및, 다른 프레임들에 걸쳐 에러를 균일화하기 위해 상기 추정된 재조성 에러에 종속된 보상을 하는 단계로 구성되는 것을 특징으로 하는 비디오 압축 방법.
  2. 제1항에 있어서, 'T' 프레임 및 한개 이상의 'B'프레임을 포함하는 그룹으로 인코딩되는 비디오 프레임 그룹은 그 그룹내의 프레임이 보상되는 것에 따라 보상되는 것을 특징으로 하는 비디오 압축 방법.
  3. 제2항에 있어서, 각각의 비디오 프레임 그룹내에서, 'I'프레임이 아닌 다른 임의의 프레임은 'B' 프레임인 것을 특징으로 하는 비디오 압축 방법.
  4. 제3항에 있어서, 각각의 인코딩된 비디오 프레임 그룹은 2n개 프레임들을 포함하는 것을 특징으로 하는 비디오 압축 방법.
  5. 제1항에 내지 제4항 중의 어느 한 항에 있어서, 상기 보상은 시간적 가중화(temoral weighting)에 의해 이루어지는 것을 특징으로 하는 비디오 압축 방법 .
  6. 제5항에 있어서, 입력되는 비디오 프레임 그룹은 다수의 프레임을 포함하고, 상기 시간적 가중화는 특정 번호의 프레임에 각각 관련된 시간 대역의 형태로 적용되는 것을 특징으로 하는 비디오 압축 방법.
  7. 첨부 도면을 참조하여 상세히 설명되는 것을 특징으로 하는 비디오 압축 방법.
  8. 제1항 내지 7항중의 어느 한 항에서 설정된 방법에 따라 동작가능한 것을 특징으로 하는 비디오 압축 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019960020928A 1995-06-06 1996-06-07 비디오압축방법및장치 Expired - Fee Related KR100475198B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9511461.7 1995-06-06
GB9511461A GB2303267B (en) 1995-06-06 1995-06-06 Video compression

Publications (2)

Publication Number Publication Date
KR970004878A true KR970004878A (ko) 1997-01-29
KR100475198B1 KR100475198B1 (ko) 2005-06-13

Family

ID=10775619

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019960020928A Expired - Fee Related KR100475198B1 (ko) 1995-06-06 1996-06-07 비디오압축방법및장치

Country Status (4)

Country Link
US (1) US5974183A (ko)
JP (1) JP3469708B2 (ko)
KR (1) KR100475198B1 (ko)
GB (1) GB2303267B (ko)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6724915B1 (en) * 1998-03-13 2004-04-20 Siemens Corporate Research, Inc. Method for tracking a video object in a time-ordered sequence of image frames
GB2343321B (en) * 1998-11-02 2003-03-26 Nokia Mobile Phones Ltd Error concealment in a video signal
US7280252B1 (en) * 2001-12-19 2007-10-09 Ricoh Co., Ltd. Error diffusion of multiresolutional representations
US7003035B2 (en) * 2002-01-25 2006-02-21 Microsoft Corporation Video coding methods and apparatuses
US20040001546A1 (en) 2002-06-03 2004-01-01 Alexandros Tourapis Spatiotemporal prediction for bidirectionally predictive (B) pictures and motion vector prediction for multi-picture reference motion compensation
FR2852773A1 (fr) * 2003-03-20 2004-09-24 France Telecom Procedes et dispositifs de codage et de decodage d'une sequence d'images par decomposition mouvement/texture et codage par ondelettes
US8284971B2 (en) * 2008-11-21 2012-10-09 Envoy Medical Corporation Logarithmic compression systems and methods for hearing amplification
US8334845B2 (en) * 2008-11-24 2012-12-18 Firstrade Securities, Inc Thwarting screen logging of keypad in a web-based form
JP2012109726A (ja) * 2010-11-16 2012-06-07 Canon Inc 画像処理装置および画像処理方法
JP2013106333A (ja) * 2011-11-17 2013-05-30 Sony Corp 画像処理装置および方法
KR200483151Y1 (ko) 2015-12-28 2017-04-07 최소영 하나의 프레임으로 만들어져 자석내장부재가 결합되는 블록완구의 블록 간 접합을 위한 표면구조
KR200482828Y1 (ko) 2015-12-28 2017-03-22 최소영 블록완구에 결합되는 자석내장부재의 블록 간 접합을 위한 표면구조
KR200482829Y1 (ko) 2015-12-28 2017-03-22 최소영 자석이 내장되는 블록완구의 블록 간 접합을 위한 표면구조

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2686806B2 (ja) * 1989-02-21 1997-12-08 沖電気工業株式会社 画像信号符号化器及び復号化器
US5021882A (en) * 1989-05-24 1991-06-04 Massachusetts Institute Of Technology Definition television systems
US5150209A (en) * 1990-05-11 1992-09-22 Picturetel Corporation Hierarchical entropy coded lattice threshold quantization encoding method and apparatus for image and video compression
US5107348A (en) * 1990-07-11 1992-04-21 Zenith Electronics Corporation Temporal decorrelation of block artifacts
US5146324A (en) * 1990-07-31 1992-09-08 Ampex Corporation Data compression using a feedforward quantization estimator
JP2833236B2 (ja) * 1991-01-31 1998-12-09 日本電気株式会社 画像の予測符号化方式
EP0547826A1 (en) * 1991-12-18 1993-06-23 Raytheon Company B-adaptive ADPCM image data compressor
CA2088082C (en) * 1992-02-07 1999-01-19 John Hartung Dynamic bit allocation for three-dimensional subband video coding
US5291281A (en) * 1992-06-18 1994-03-01 General Instrument Corporation Adaptive coding level control for video compression systems
US5329365A (en) * 1993-07-07 1994-07-12 Rca Thomson Licensing Corporation Method and apparatus for providing compressed non-interlaced scanned video signal
JP3152268B2 (ja) * 1993-07-16 2001-04-03 日本ビクター株式会社 画像情報記録方法及び画像情報再生方法
JPH0775062A (ja) * 1993-08-30 1995-03-17 Graphics Commun Lab:Kk ディジタル圧縮された動画像の記録再生方法
GB2286740B (en) * 1994-02-21 1998-04-01 Sony Uk Ltd Coding and decoding of video signals
US5457495A (en) * 1994-05-25 1995-10-10 At&T Ipm Corp. Adaptive video coder with dynamic bit allocation

Also Published As

Publication number Publication date
KR100475198B1 (ko) 2005-06-13
JPH08336147A (ja) 1996-12-17
US5974183A (en) 1999-10-26
GB9511461D0 (en) 1995-08-02
GB2303267B (en) 2000-03-22
GB2303267A (en) 1997-02-12
JP3469708B2 (ja) 2003-11-25

Similar Documents

Publication Publication Date Title
KR970004878A (ko) 비디오 압축 방법 및 장치
KR930020409A (ko) 스테레오포닉 오디오 신호의 입력세트 코딩방법
ATE167015T1 (de) Vorrichtung zur eliminierung von halbbildern für ein videokompressions-/dekompressionssystem
CA2158014A1 (en) Adaptive noise-predictive partial-response equalization for channels with spectral nulls
MX9600411A (es) Metodo y aparato para reproduccion inversa de una señal multiplexada por division de tiempo.
ES473961A1 (es) Un metodo para fabricar una red de plastico para envolver y estabilizar una carga sobre una paleta
GB9718485D0 (en) A system and method for providing technical support of an electronic system through a web bios
AP9701084A0 (en) Method and apparatus for coordination of motion determination over multiple frames.
CA2156679A1 (en) Data Rate Conversion
CA2241972A1 (en) Method and arrangement of signal tracking and a rake-receiver utilizing said arrangement
KR900013791A (ko) 서브샘플 비디오 신호용 디코더
EP0798720A3 (en) Script editor
ATE253796T1 (de) Gleichstromunterdrückung für pcm-modems
AU2002211953A1 (en) Device and method for motion-compensated recursive filtering of video images prior to coding and corresponding coding system
KR920015927A (ko) 프레임간·필드간 예측 부호화 장치
BR0016741A (pt) Método e aparelho para derivar pelo menos um sinal de áudio a partir de dois ou mais sinais de áudio de entrada
KR910016210A (ko) 영상신호의 전송방식
Shumway et al. Statistical analysis of daily London mortality and associated weather and pollution effects
HK1065430A1 (en) Modifying video signals by converting non-intra pictures
KR940006409A (ko) 화상정보에 포함된 이동 벡터 검출방법
KR970057995A (ko) Mpeg 복호기에서 역양자화기의 최적화 장치
JPS5346211A (en) Data compressing unit
JPS52115607A (en) Conference telephone system
KR970057725A (ko) 디지탈영상 화질개선장치
KR960702248A (ko) 차 코딩 및 디코딩 방법과 관련 회로(differential coding and decoding method and related circuits)

Legal Events

Date Code Title Description
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 19960607

PG1501 Laying open of application
A201 Request for examination
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 20010607

Comment text: Request for Examination of Application

Patent event code: PA02011R01I

Patent event date: 19960607

Comment text: Patent Application

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 20030818

Patent event code: PE09021S01D

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 20040507

Patent event code: PE09021S01D

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

Patent event code: PE07011S01D

Comment text: Decision to Grant Registration

Patent event date: 20041230

GRNT Written decision to grant
PR0701 Registration of establishment

Comment text: Registration of Establishment

Patent event date: 20050225

Patent event code: PR07011E01D

PR1002 Payment of registration fee

Payment date: 20050228

End annual number: 3

Start annual number: 1

PG1601 Publication of registration
PR1001 Payment of annual fee

Payment date: 20080128

Start annual number: 4

End annual number: 4

PR1001 Payment of annual fee

Payment date: 20090123

Start annual number: 5

End annual number: 5

PR1001 Payment of annual fee

Payment date: 20100216

Start annual number: 6

End annual number: 6

PR1001 Payment of annual fee

Payment date: 20110223

Start annual number: 7

End annual number: 7

FPAY Annual fee payment

Payment date: 20120221

Year of fee payment: 8

PR1001 Payment of annual fee

Payment date: 20120221

Start annual number: 8

End annual number: 8

LAPS Lapse due to unpaid annual fee
PC1903 Unpaid annual fee

Termination category: Default of registration fee

Termination date: 20140109