DE69125582T2 - HDTV-Kodierer mit adaptiver Dämpfung - Google Patents

HDTV-Kodierer mit adaptiver Dämpfung

Info

Publication number: DE69125582T2
Authority: DE; Germany
Prior art keywords: adaptive attenuation; hdtv encoder; hdtv; encoder; attenuation
Prior art date: 1990-12-11
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 - Lifetime

Application number

DE69125582T

Other languages

English (en)

Other versions

DE69125582D1 (de

Inventor

James David Johnston

Scott C Knauer

Kim N Matthews

Arun Narayan Netravali

Eric D Petajan

Robert J Safranek

Peter H Westerink

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.)

AT&T Corp

Original Assignee

AT&T 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.)

1990-12-11

Filing date

1991-11-29

Publication date

1997-10-23

1991-11-29 Application filed by AT&T Corp filed Critical AT&T Corp

1997-05-15 Publication of DE69125582D1 publication Critical patent/DE69125582D1/de

1997-10-23 Application granted granted Critical

1997-10-23 Publication of DE69125582T2 publication Critical patent/DE69125582T2/de

2011-11-30 Anticipated expiration legal-status Critical

Status Expired - Lifetime 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
- H04N19/90—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
- H04N19/94—Vector 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
- H04N19/50—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

DE69125582T 1990-12-11 1991-11-29 HDTV-Kodierer mit adaptiver Dämpfung Expired - Lifetime DE69125582T2 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US07/625,522 US5134475A (en)	1990-12-11	1990-12-11	Adaptive leak hdtv encoder

Publications (2)

Publication Number	Publication Date
DE69125582D1 DE69125582D1 (de)	1997-05-15
DE69125582T2 true DE69125582T2 (de)	1997-10-23

Family

ID=24506488

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE69125582T Expired - Lifetime DE69125582T2 (de)	1990-12-11	1991-11-29	HDTV-Kodierer mit adaptiver Dämpfung

Country Status (6)

Country	Link
US (1)	US5134475A (de)
EP (1)	EP0490538B1 (de)
JP (1)	JP3088166B2 (de)
CA (1)	CA2055072C (de)
DE (1)	DE69125582T2 (de)
MX (1)	MX9102423A (de)

Families Citing this family (46)

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HU213592B (en) *	1991-03-29	1997-08-28	Sony Corp	Coding methods for digital audio signals
EP0506394A2 (de) *	1991-03-29	1992-09-30	Sony Corporation	Einrichtung zur Kodierung von digitalen Signalen
ES2164640T3 (es) *	1991-08-02	2002-03-01	Sony Corp	Codificador digital con asignacion dinamica de bits de cuantificacion.
US5377014A (en) *	1992-01-06	1994-12-27	At&T Corp.	Apparatus and method for displaying recorded compressed digital high definition video information
JP3134455B2 (ja) *	1992-01-29	2001-02-13	ソニー株式会社	高能率符号化装置及び方法
JP2894067B2 (ja) *	1992-02-26	1999-05-24	日本電気株式会社	動画像符号化制御方法および動画像符号化装置
US5337085A (en) *	1992-04-10	1994-08-09	Comsat Corporation	Coding technique for high definition television signals
US5241382A (en) *	1992-04-25	1993-08-31	General Instrument Corporation	Digital HDTV data packet format and receiver therefor
US5367385A (en) *	1992-05-07	1994-11-22	Picturetel Corporation	Method and apparatus for processing block coded image data to reduce boundary artifacts between adjacent image blocks
KR0121162B1 (ko) *	1992-05-20	1997-11-18	구자홍	디지탈 티브이의 영상움직임 보상장치
JP3153933B2 (ja) *	1992-06-16	2001-04-09	ソニー株式会社	データ符号化装置及び方法並びにデータ復号化装置及び方法
US5367336A (en) *	1992-07-08	1994-11-22	At&T Bell Laboratories	Truncation error correction for predictive coding/encoding
KR940003404A (ko) *	1992-07-23	1994-02-21	이헌조	프레임 간/프레임 내 움직임 보상 시스템
US5294974A (en) *	1992-07-24	1994-03-15	Matsushita Electric Corporation Of America	High-definition video encoding system having color-sensitive quantization
US5331348A (en) *	1992-07-27	1994-07-19	At&T Bell Laboratories	Adaptive leak HDTV encoder
US5278647A (en) *	1992-08-05	1994-01-11	At&T Bell Laboratories	Video decoder using adaptive macroblock leak signals
JP3508146B2 (ja) *	1992-09-11	2004-03-22	ソニー株式会社	ディジタル信号符号化復号化装置、ディジタル信号符号化装置及びディジタル信号復号化装置
JP3127600B2 (ja) *	1992-09-11	2001-01-29	ソニー株式会社	ディジタル信号復号化装置及び方法
JP3343962B2 (ja) *	1992-11-11	2002-11-11	ソニー株式会社	高能率符号化方法及び装置
JP3217789B2 (ja) *	1992-11-17	2001-10-15	富士通株式会社	ディジタル画像通信装置
US5307375A (en) *	1992-11-19	1994-04-26	General Instrument Corporation	Two stage accumulator for use in updating coefficients
JP3185413B2 (ja) *	1992-11-25	2001-07-09	ソニー株式会社	直交変換演算並びに逆直交変換演算方法及びその装置、ディジタル信号符号化及び／又は復号化装置
US5398079A (en) *	1993-01-27	1995-03-14	General Instrument Corporation	Half-pixel interpolation for a motion compensated digital video system
JP3123286B2 (ja) *	1993-02-18	2001-01-09	ソニー株式会社	ディジタル信号処理装置又は方法、及び記録媒体
US5497338A (en) *	1993-04-09	1996-03-05	Sharp Kabushiki Kaisha	Motion vector detecting circuit
JP3173218B2 (ja) *	1993-05-10	2001-06-04	ソニー株式会社	圧縮データ記録方法及び装置、圧縮データ再生方法、並びに記録媒体
KR100458969B1 (ko) *	1993-05-31	2005-04-06	소니 가부시끼 가이샤	신호부호화또는복호화장치,및신호부호화또는복호화방법
EP0663739B1 (de) *	1993-06-30	2001-08-22	Sony Corporation	Digitales signalkodierungsgerät, dazugehöriges dekodiergerät und aufzeichnungsträger
TW272341B (de) *	1993-07-16	1996-03-11	Sony Co Ltd
US5450005A (en) *	1993-07-21	1995-09-12	Peterson, Jr.; Thomas F.	Net charge measurement of dielectrics in ground potential equilibrium, as a function of time and temperature
TW327223B (en) *	1993-09-28	1998-02-21	Sony Co Ltd	Methods and apparatus for encoding an input signal broken into frequency components, methods and apparatus for decoding such encoded signal
WO1995013660A1 (fr) *	1993-11-09	1995-05-18	Sony Corporation	Appareil de quantification, procede de quantification, codeur a haute efficacite, procede de codage a haute efficacite, decodeur, supports d'enregistrement et de codage a haute efficacite
US5734432A (en) *	1994-07-15	1998-03-31	Lucent Technologies, Inc.	Method of incorporating a variable rate auxiliary data stream with a variable rate primary data stream
CA2157066C (en) *	1994-10-21	1999-09-21	Nelson Botsford Iii	Method for controlling a compressed data buffer
US5734419A (en) *	1994-10-21	1998-03-31	Lucent Technologies Inc.	Method of encoder control
JP3371590B2 (ja) *	1994-12-28	2003-01-27	ソニー株式会社	高能率符号化方法及び高能率復号化方法
US5646687A (en) *	1994-12-29	1997-07-08	Lucent Technologies Inc.	Temporally-pipelined predictive encoder/decoder circuit and method
JPH08298643A (ja) *	1995-04-25	1996-11-12	Sony Corp	符号化方法および符号化装置、復号化方法および復号化装置、記録媒体、伝送方法、並びに符号化復号化システム
EP0772925B1 (de) *	1995-05-03	2004-07-14	Sony Corporation	Nichtlineares quantisieren eines informationssignales
US5740282A (en) *	1995-06-30	1998-04-14	Iterated Systems, Inc.	System and method for contractive mapping resynchronization of a data transmission
WO1998035500A1 (en) *	1997-02-11	1998-08-13	Sharp Kabushiki Kaisha	Method and apparatus for optimizing quantizer values in an image encoder
US6167085A (en) *	1997-07-31	2000-12-26	Sony Corporation	Image data compression
US6175650B1 (en)	1998-01-26	2001-01-16	Xerox Corporation	Adaptive quantization compatible with the JPEG baseline sequential mode
US6252994B1 (en)	1998-01-26	2001-06-26	Xerox Corporation	Adaptive quantization compatible with the JPEG baseline sequential mode
JP2004104694A (ja) *	2002-09-12	2004-04-02	Sony Corp	符号化装置と符号化方法と符号化プログラムおよび復号化装置と復号化方法と復号化プログラム
US8837592B2 (en) *	2010-04-14	2014-09-16	Mediatek Inc.	Method for performing local motion vector derivation during video coding of a coding unit, and associated apparatus

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4255763A (en) *	1979-12-26	1981-03-10	Bell Telephone Laboratories, Incorporated	Technique for reducing transmission error propagation in an adaptively predicted DPCM video encoder
US4727422A (en) *	1985-06-03	1988-02-23	Picturetel Corporation	Method and apparatus for efficiently communicating image sequence having improved motion compensation
US4703350A (en) *	1985-06-03	1987-10-27	Picturetel Corporation	Method and apparatus for efficiently communicating image sequences
US4794455A (en) *	1987-01-07	1988-12-27	Pictel Corporation	Method and apparatus employing adaptive filtering for efficiently communicating image sequences
JPH01171376A (ja) *	1987-12-25	1989-07-06	Matsushita Electric Ind Co Ltd	映像信号の予測符号化装置
US4866510A (en) *	1988-09-30	1989-09-12	American Telephone And Telegraph Company	Digital video encoder
JPH0771295B2 (ja) *	1988-10-14	1995-07-31	日本電気株式会社	フレーム間符号化伝送方式
US5040062A (en) *	1990-03-19	1991-08-13	At&T Bell Laboratories	Television signal arrangement where selected signals are encoded digitally
US5043808A (en) *	1990-03-19	1991-08-27	At&T Bell Laboratories	High definition television arrangement employing motion compensated prediction error signals
US5063444A (en) *	1990-03-19	1991-11-05	At&T Bell Laboratories	High definition television arrangement with signal selections adapted to the available transmission capacity

1990
- 1990-12-11 US US07/625,522 patent/US5134475A/en not_active Expired - Lifetime
1991
- 1991-11-06 CA CA002055072A patent/CA2055072C/en not_active Expired - Lifetime
- 1991-11-29 EP EP91311062A patent/EP0490538B1/de not_active Expired - Lifetime
- 1991-11-29 DE DE69125582T patent/DE69125582T2/de not_active Expired - Lifetime
- 1991-12-06 MX MX9102423A patent/MX9102423A/es not_active IP Right Cessation
- 1991-12-06 JP JP03348610A patent/JP3088166B2/ja not_active Expired - Lifetime

Also Published As

Publication number	Publication date
DE69125582D1 (de)	1997-05-15
EP0490538B1 (de)	1997-04-09
JP3088166B2 (ja)	2000-09-18
EP0490538A2 (de)	1992-06-17
CA2055072C (en)	1996-09-03
JPH04291588A (ja)	1992-10-15
CA2055072A1 (en)	1992-06-12
EP0490538A3 (en)	1993-05-19
US5134475A (en)	1992-07-28
MX9102423A (es)	1992-06-01

Legal Events

Date	Code	Title	Description
1998-05-07	8364	No opposition during term of opposition

Publication	Publication Date	Title
DE69125582T2 (de)	1997-10-23	HDTV-Kodierer mit adaptiver Dämpfung
DE69027820T2 (de)	1996-11-21	Kodierer/Dekodierer mit adaptiver Quantisierung
DE69124784T2 (de)	1997-06-12	HDTV-Empfänger
DE69122058T2 (de)	1997-02-20	Winkelkodierer
DE69031774D1 (de)	1998-01-15	Adaptiver Gruppierer
DE69220683T2 (de)	1997-11-06	Adaptive Entzerrer
DE69328413D1 (de)	2000-05-25	Adaptiver Entzerrer
DE69132397D1 (de)	2000-10-05	Schaltgetriebe
GR3018975T3 (en)	1996-05-31	Insect repellent
DE69328626D1 (de)	2000-06-15	Fotokopierer mit kodierungsfunktion
DE69130542D1 (de)	1999-01-14	Prioritätskodierer
BR9103822A (pt)	1992-05-19	Transmissao
DE69101393D1 (de)	1994-04-21	Kodierer.
BR9104998A (pt)	1992-06-23	Bucha de gaxeta
KR950700330A (ko)	1995-01-16	Tcf 변이체
DE69121044T2 (de)	1997-02-06	Adaptivgeschaltete Prädiktionskodierung mit Rauschformung
PT99900A (pt)	1994-01-31	Conjunto de dobradica desmontavel
DE59100261D1 (de)	1993-09-16	Getriebeanordnung.
DE69226130D1 (de)	1998-08-13	Halbrekursiver adaptiver Entzerrer
AT397717B (de)	1994-06-27	Drehgeber
DE69129923T2 (de)	1999-01-21	Bildfernsprechgerät
DE69126734D1 (de)	1997-08-14	Verzögerungsglied mit steuerbarer Verzögerung
SE9002811D0 (sv)	1990-09-04	C-vsr transmission
SE9000290D0 (sv)	1990-01-29	Transmission
SE9001301D0 (sv)	1990-04-10	Transmission