DE69226755D1 - Vorrichtung zur Fehlerverdeckung in einer Transformationskodierung von Bewegtbildern - Google Patents
Vorrichtung zur Fehlerverdeckung in einer Transformationskodierung von BewegtbildernInfo
- Publication number
- DE69226755D1 DE69226755D1 DE69226755T DE69226755T DE69226755D1 DE 69226755 D1 DE69226755 D1 DE 69226755D1 DE 69226755 T DE69226755 T DE 69226755T DE 69226755 T DE69226755 T DE 69226755T DE 69226755 D1 DE69226755 D1 DE 69226755D1
- Authority
- DE
- Germany
- Prior art keywords
- moving images
- transformation coding
- concealing errors
- concealing
- errors
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/93—Regeneration of the television signal or of selected parts thereof
- H04N5/94—Signal drop-out compensation
- H04N5/945—Signal drop-out compensation for signals recorded by pulse code modulation
-
- 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
- H04N19/103—Selection of coding mode or of prediction mode
- H04N19/112—Selection of coding mode or of prediction mode according to a given display mode, e.g. for interlaced or progressive display mode
-
- 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
- H04N19/117—Filters, e.g. for pre-processing or post-processing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N5/926—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation
- H04N5/9261—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation involving data reduction
- H04N5/9264—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation involving data reduction 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
- H04N19/60—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
- H04N19/65—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using error resilience
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP32046191A JP2997355B2 (ja) | 1991-12-04 | 1991-12-04 | 復号装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69226755D1 true DE69226755D1 (de) | 1998-10-01 |
DE69226755T2 DE69226755T2 (de) | 1999-03-25 |
Family
ID=18121713
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1992626755 Expired - Fee Related DE69226755T2 (de) | 1991-12-04 | 1992-12-03 | Vorrichtung zur Fehlerverdeckung in einer Transformationskodierung von Bewegtbildern |
Country Status (5)
Country | Link |
---|---|
US (1) | US5420872A (de) |
EP (1) | EP0545711B1 (de) |
JP (1) | JP2997355B2 (de) |
CA (1) | CA2084037C (de) |
DE (1) | DE69226755T2 (de) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5737022A (en) * | 1993-02-26 | 1998-04-07 | Kabushiki Kaisha Toshiba | Motion picture error concealment using simplified motion compensation |
US5815636A (en) * | 1993-03-29 | 1998-09-29 | Canon Kabushiki Kaisha | Image reproducing apparatus |
US5943444A (en) * | 1993-03-31 | 1999-08-24 | Canon Kabushiki Kaisha | Image reproducing apparatus |
JP3085024B2 (ja) * | 1993-06-01 | 2000-09-04 | 松下電器産業株式会社 | 画像再圧縮器及び画像記録装置 |
US5617333A (en) * | 1993-11-29 | 1997-04-01 | Kokusai Electric Co., Ltd. | Method and apparatus for transmission of image data |
GB2318016B (en) * | 1993-11-29 | 1998-06-24 | Kokusai Electric Co Ltd | Method and apparatus for transfer of image data |
FI98164C (fi) * | 1994-01-24 | 1997-04-25 | Nokia Mobile Phones Ltd | Puhekooderin parametrien käsittely tietoliikennejärjestelmän vastaanottimessa |
SG43256A1 (en) * | 1995-03-29 | 1997-10-17 | Toshiba Kk | Apparatus and method for reading and writing data |
JP3630474B2 (ja) * | 1995-07-14 | 2005-03-16 | 沖電気工業株式会社 | 動画像伝送システム及び動画像伝送装置 |
KR100197368B1 (ko) * | 1995-12-23 | 1999-06-15 | 전주범 | 영상 에러 복구 장치 |
GB2362772B (en) * | 1997-06-10 | 2002-01-16 | Sony Uk Ltd | Concealing errors |
US6498809B1 (en) | 1998-01-20 | 2002-12-24 | Motorola, Inc. | Video bitstream error resilient transcoder, method, video-phone, video-communicator and device |
JPH11232791A (ja) | 1998-02-10 | 1999-08-27 | Sony Corp | 情報記録方法及び装置 |
JP3606306B2 (ja) * | 1998-10-08 | 2005-01-05 | 沖電気工業株式会社 | 画像符号化装置、画像復号化装置及び画像伝送システム |
JP2000349646A (ja) * | 1999-06-02 | 2000-12-15 | Japan Science & Technology Corp | ウェーブレット系数列を用いた時系列予測方法及びその装置 |
US6999673B1 (en) | 1999-09-30 | 2006-02-14 | Matsushita Electric Industrial Co., Ltd. | Moving picture decoding method, moving picture decoding apparatus and program recording medium |
US6965647B1 (en) * | 2000-11-28 | 2005-11-15 | Sony Corporation | Robust time domain block decoding |
EP1261204A2 (de) * | 2001-03-29 | 2002-11-27 | Matsushita Electric Industrial Co., Ltd. | Verfahren und Gerät zur Datenwiedergabe |
US7136171B2 (en) * | 2001-12-19 | 2006-11-14 | General Electric Company | Method for the extraction of image features caused by structure light using template information |
JP4523886B2 (ja) * | 2005-07-08 | 2010-08-11 | 富士通株式会社 | 動画像復号装置、動画像復号方法および動画像復号プログラム |
KR101086435B1 (ko) * | 2007-03-29 | 2011-11-25 | 삼성전자주식회사 | 영상 데이터 스트림의 에러 검출 방법 및 그 장치 |
US8726125B1 (en) * | 2007-06-06 | 2014-05-13 | Nvidia Corporation | Reducing interpolation error |
US8725504B1 (en) | 2007-06-06 | 2014-05-13 | Nvidia Corporation | Inverse quantization in audio decoding |
US8934539B2 (en) * | 2007-12-03 | 2015-01-13 | Nvidia Corporation | Vector processor acceleration for media quantization |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2514181B2 (ja) * | 1984-04-27 | 1996-07-10 | ソニー株式会社 | デジタルビデオデ−タの誤り修整方式 |
NL8402411A (nl) * | 1984-08-02 | 1986-03-03 | Philips Nv | Inrichting voor het korrigeren en maskeren van fouten in een informatiestroom, en weergeeftoestel voor het weergeven van beeld en/of geluid voorzien van zo een inrichting. |
JPH088684B2 (ja) * | 1984-12-21 | 1996-01-29 | ソニー株式会社 | 高能率符号の復号装置 |
KR950009856B1 (ko) * | 1985-10-02 | 1995-08-29 | 도이체 톰손-브란트 게엠베하 | 블록마다 전송되는 신호의 보정방법 |
US4792953A (en) * | 1986-03-28 | 1988-12-20 | Ampex Corporation | Digital signal error concealment |
US5070503A (en) * | 1988-03-09 | 1991-12-03 | Canon Kabushiki Kaisha | Digital information transmitting and receiving system |
US5140417A (en) * | 1989-06-20 | 1992-08-18 | Matsushita Electric Co., Ltd. | Fast packet transmission system of video data |
JPH0322735A (ja) * | 1989-06-20 | 1991-01-31 | Matsushita Electric Ind Co Ltd | 映像信号のパケット伝送装置 |
JPH03124182A (ja) * | 1989-10-09 | 1991-05-27 | Fujitsu Ltd | セル廃棄補償画像復号化方式 |
JP2751510B2 (ja) * | 1990-01-11 | 1998-05-18 | 松下電器産業株式会社 | 動画像復号化装置 |
US5243428A (en) * | 1991-01-29 | 1993-09-07 | North American Philips Corporation | Method and apparatus for concealing errors in a digital television |
US5657399A (en) * | 1991-05-17 | 1997-08-12 | Canon Kabushiki Kaisha | Encoding/decoding apparatus using quantizing steps information |
-
1991
- 1991-12-04 JP JP32046191A patent/JP2997355B2/ja not_active Expired - Fee Related
-
1992
- 1992-11-27 CA CA 2084037 patent/CA2084037C/en not_active Expired - Fee Related
- 1992-12-03 EP EP19920311046 patent/EP0545711B1/de not_active Expired - Lifetime
- 1992-12-03 DE DE1992626755 patent/DE69226755T2/de not_active Expired - Fee Related
- 1992-12-03 US US07/984,975 patent/US5420872A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5420872A (en) | 1995-05-30 |
JPH05161128A (ja) | 1993-06-25 |
DE69226755T2 (de) | 1999-03-25 |
CA2084037C (en) | 1997-04-15 |
EP0545711B1 (de) | 1998-08-26 |
EP0545711A3 (de) | 1994-01-05 |
CA2084037A1 (en) | 1993-06-05 |
EP0545711A2 (de) | 1993-06-09 |
JP2997355B2 (ja) | 2000-01-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |