CN1115052C - 校正基于块的编码器传送的图象信号中的信道误差的方法 - Google Patents
校正基于块的编码器传送的图象信号中的信道误差的方法 Download PDFInfo
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- CN1115052C CN1115052C CN96106402A CN96106402A CN1115052C CN 1115052 C CN1115052 C CN 1115052C CN 96106402 A CN96106402 A CN 96106402A CN 96106402 A CN96106402 A CN 96106402A CN 1115052 C CN1115052 C CN 1115052C
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- 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
- H04N19/85—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
- H04N19/895—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 in combination with error concealment
Abstract
Description
Claims (3)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950064313A KR100220678B1 (ko) | 1995-12-29 | 1995-12-29 | 블록 단위 부호화 장치로부터 전송된 영상신호에서의 채널 에러 정정 방법 |
KR64313/1995 | 1995-12-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1154049A CN1154049A (zh) | 1997-07-09 |
CN1115052C true CN1115052C (zh) | 2003-07-16 |
Family
ID=19446869
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN96106402A Expired - Fee Related CN1115052C (zh) | 1995-12-29 | 1996-06-03 | 校正基于块的编码器传送的图象信号中的信道误差的方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US5841477A (zh) |
EP (1) | EP0782347B1 (zh) |
JP (1) | JP3859768B2 (zh) |
KR (1) | KR100220678B1 (zh) |
CN (1) | CN1115052C (zh) |
DE (1) | DE69631819T2 (zh) |
IN (1) | IN189082B (zh) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100346740B1 (ko) * | 1996-09-21 | 2002-09-18 | 삼성전자 주식회사 | 이산코사인변환계수예측방법 |
DE19737872A1 (de) * | 1997-08-29 | 1999-03-04 | Siemens Ag | Verfahren und Vorrichtung zur Fehlerlokalisierung eines Übertragungsfehlers, der bei der Decodierung eines codierten Bildes erkannt wurde |
US6118391A (en) * | 1998-01-07 | 2000-09-12 | Microsoft Corporation | Compression into arbitrary character sets |
US6295384B1 (en) * | 1998-11-04 | 2001-09-25 | Schlumberger Technologies, Inc. | Removing noise caused by artifacts from a digital image signal |
US6621936B1 (en) * | 1999-02-12 | 2003-09-16 | Sony Corporation | Method and apparatus for spatial class reduction |
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 |
US7110452B2 (en) * | 2001-03-05 | 2006-09-19 | Intervideo, Inc. | Systems and methods for detecting scene changes in a video data stream |
DE60220047T2 (de) * | 2001-05-29 | 2008-01-10 | Koninklijke Philips Electronics N.V. | Verfahren und einrichtung zum verbergen von fehlern |
KR100761542B1 (ko) * | 2001-10-17 | 2007-09-27 | 매그나칩 반도체 유한회사 | 이웃한 매크로블럭의 움직임 벡터를 이용한 에러 은닉장치 및 방법 |
US7120308B2 (en) | 2001-11-26 | 2006-10-10 | Seiko Epson Corporation | Iterated de-noising for image recovery |
US7260269B2 (en) * | 2002-08-28 | 2007-08-21 | Seiko Epson Corporation | Image recovery using thresholding and direct linear solvers |
KR100582595B1 (ko) * | 2002-12-23 | 2006-05-23 | 한국전자통신연구원 | 이산여현변환에 기반하여 압축된 영상으로부터 블록에지를 검출 및 분류하는 방법 |
US20060146940A1 (en) * | 2003-01-10 | 2006-07-06 | Thomson Licensing S.A. | Spatial error concealment based on the intra-prediction modes transmitted in a coded stream |
KR100504824B1 (ko) | 2003-04-08 | 2005-07-29 | 엘지전자 주식회사 | 이미지 신호 블록오류 보정 장치 및 방법 |
US7352909B2 (en) * | 2003-06-02 | 2008-04-01 | Seiko Epson Corporation | Weighted overcomplete de-noising |
JP2007504700A (ja) * | 2003-09-02 | 2007-03-01 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 閉塞検出に基づく画素の時間的補間 |
US20050105817A1 (en) * | 2003-11-17 | 2005-05-19 | Guleryuz Onur G. | Inter and intra band prediction of singularity coefficients using estimates based on nonlinear approximants |
KR100886191B1 (ko) * | 2004-12-06 | 2009-02-27 | 엘지전자 주식회사 | 영상 블록을 디코딩 하는 방법 |
US8265141B2 (en) | 2005-05-17 | 2012-09-11 | Broadcom Corporation | System and method for open loop spatial prediction in a video encoder |
US7587098B2 (en) * | 2005-07-14 | 2009-09-08 | Mavs Lab. Inc. | Pixel data generating method |
KR100706720B1 (ko) * | 2005-09-15 | 2007-04-12 | 한양대학교 산학협력단 | 방향성 보간을 이용한 공간적 에러은닉 방법 |
JP4961182B2 (ja) * | 2005-10-18 | 2012-06-27 | 株式会社リコー | ノイズ除去装置、ノイズ除去方法、ノイズ除去プログラム及び記録媒体 |
US8542726B2 (en) * | 2006-10-17 | 2013-09-24 | Microsoft Corporation | Directional and motion-compensated discrete cosine transformation |
WO2012050301A2 (ko) * | 2010-10-14 | 2012-04-19 | 엘지전자 주식회사 | 영상 부호화 및 복호화 방법과 이를 이용한 장치 |
CN104243996B (zh) * | 2013-06-14 | 2017-07-28 | 瑞昱半导体股份有限公司 | 回路内处理装置及选择性的像素差值补偿方法和编码系统 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3117206A1 (de) * | 1981-04-30 | 1982-11-18 | Robert Bosch Gmbh, 7000 Stuttgart | Verfahren und schaltungsanordnung zum verdecken von fehlern in einem digitalen farbvideosignal |
WO1987002210A1 (en) * | 1985-10-02 | 1987-04-09 | Deutsche Thomson-Brandt Gmbh | Process for correcting transmission errors |
JP3018366B2 (ja) * | 1989-02-08 | 2000-03-13 | ソニー株式会社 | ビデオ信号処理回路 |
US5243428A (en) * | 1991-01-29 | 1993-09-07 | North American Philips Corporation | Method and apparatus for concealing errors in a digital television |
US5455629A (en) * | 1991-02-27 | 1995-10-03 | Rca Thomson Licensing Corporation | Apparatus for concealing errors in a digital video processing system |
GB2263373B (en) * | 1992-01-09 | 1995-05-24 | Sony Broadcast & Communication | Data error concealment |
US5247363A (en) * | 1992-03-02 | 1993-09-21 | Rca Thomson Licensing Corporation | Error concealment apparatus for hdtv receivers |
US5365604A (en) * | 1993-01-14 | 1994-11-15 | Rca Thomson Licensing Corporation | Error concealment apparatus for video signal processors |
US5442400A (en) * | 1993-04-29 | 1995-08-15 | Rca Thomson Licensing Corporation | Error concealment apparatus for MPEG-like video data |
KR960014184B1 (ko) * | 1993-08-31 | 1996-10-14 | 대우전자 주식회사 | 분류 벡터 양자화된 영상의 클라스(Class) 오류 검출 방법 |
KR960012931B1 (ko) * | 1993-08-31 | 1996-09-25 | 대우전자 주식회사 | 분류 벡터 양자화된 영상의 채널 오류 은폐 방법 |
US5517250A (en) * | 1995-02-28 | 1996-05-14 | General Instrument Corporation Of Delaware | Acquisition of desired data from a packetized data stream and synchronization thereto |
US5568200A (en) * | 1995-06-07 | 1996-10-22 | Hitachi America, Ltd. | Method and apparatus for improved video display of progressively refreshed coded video |
-
1995
- 1995-12-29 KR KR1019950064313A patent/KR100220678B1/ko not_active IP Right Cessation
-
1996
- 1996-05-22 US US08/651,381 patent/US5841477A/en not_active Expired - Lifetime
- 1996-05-24 IN IN944CA1996 patent/IN189082B/en unknown
- 1996-06-03 DE DE1996631819 patent/DE69631819T2/de not_active Expired - Lifetime
- 1996-06-03 CN CN96106402A patent/CN1115052C/zh not_active Expired - Fee Related
- 1996-06-03 EP EP19960304000 patent/EP0782347B1/en not_active Expired - Lifetime
- 1996-06-03 JP JP14029396A patent/JP3859768B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE69631819T2 (de) | 2005-02-03 |
JPH09200754A (ja) | 1997-07-31 |
KR970058000A (ko) | 1997-07-31 |
EP0782347B1 (en) | 2004-03-10 |
EP0782347A2 (en) | 1997-07-02 |
DE69631819D1 (de) | 2004-04-15 |
CN1154049A (zh) | 1997-07-09 |
EP0782347A3 (en) | 1999-11-03 |
IN189082B (zh) | 2002-12-14 |
JP3859768B2 (ja) | 2006-12-20 |
US5841477A (en) | 1998-11-24 |
KR100220678B1 (ko) | 1999-09-15 |
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Effective date of registration: 20031016 Address after: Seoul Patentee after: Daewoo Electronics Co., Ltd. Address before: Seoul Patentee before: Daewoo Electronics Co., Ltd. |
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Owner name: FENGYE VISION TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: DAEWOO ELECTRONICS CO., LTD. Effective date: 20130417 |
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Effective date of registration: 20130417 Address after: Ontario Patentee after: Fengye Vision Technology Co., Ltd. Address before: Seoul, South Kerean Patentee before: Daewoo Electronics Co., Ltd. |
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