JPH10229546A5 - - Google Patents
Info
- Publication number
- JPH10229546A5 JPH10229546A5 JP1997029391A JP2939197A JPH10229546A5 JP H10229546 A5 JPH10229546 A5 JP H10229546A5 JP 1997029391 A JP1997029391 A JP 1997029391A JP 2939197 A JP2939197 A JP 2939197A JP H10229546 A5 JPH10229546 A5 JP H10229546A5
- Authority
- JP
- Japan
- Prior art keywords
- threshold value
- noise
- block
- quantization step
- inverse
- 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
Links
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2939197A JP3800704B2 (ja) | 1997-02-13 | 1997-02-13 | 映像信号処理装置及び方法 |
| EP19980300812 EP0859518B1 (en) | 1997-02-13 | 1998-02-04 | Reduction of noise generated by a digital picture coder/decoder which operates in blocks |
| DE1998623714 DE69823714T2 (de) | 1997-02-13 | 1998-02-04 | Reduzieren des durch einen blockweise arbeitenden digitalen Bildkodierer/Dekodierer erzeugten Rauschstörsignals |
| US09/019,947 US6175596B1 (en) | 1997-02-13 | 1998-02-06 | Picture signal encoding method and apparatus |
| KR1019980004264A KR100582427B1 (ko) | 1997-02-13 | 1998-02-13 | 화상 신호 처리 장치 및 방법 |
| CN98106971A CN1130918C (zh) | 1997-02-13 | 1998-02-13 | 图像信号处理方法及装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2939197A JP3800704B2 (ja) | 1997-02-13 | 1997-02-13 | 映像信号処理装置及び方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPH10229546A JPH10229546A (ja) | 1998-08-25 |
| JPH10229546A5 true JPH10229546A5 (OSRAM) | 2004-08-26 |
| JP3800704B2 JP3800704B2 (ja) | 2006-07-26 |
Family
ID=12274853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2939197A Expired - Fee Related JP3800704B2 (ja) | 1997-02-13 | 1997-02-13 | 映像信号処理装置及び方法 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6175596B1 (OSRAM) |
| EP (1) | EP0859518B1 (OSRAM) |
| JP (1) | JP3800704B2 (OSRAM) |
| KR (1) | KR100582427B1 (OSRAM) |
| CN (1) | CN1130918C (OSRAM) |
| DE (1) | DE69823714T2 (OSRAM) |
Families Citing this family (52)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI106071B (fi) * | 1997-03-13 | 2000-11-15 | Nokia Mobile Phones Ltd | Mukautuva suodatin |
| US6559886B1 (en) * | 1997-12-04 | 2003-05-06 | Victor Company Of Japan, Limited | Video signal processing method and device |
| CN1296703A (zh) * | 1999-02-16 | 2001-05-23 | 皇家菲利浦电子有限公司 | 采用过滤来减少块效应的视频解码设备和方法 |
| CN1197383C (zh) * | 1999-09-14 | 2005-04-13 | 皇家菲利浦电子有限公司 | 用于识别数字视频图像中像块伪痕的方法和装置 |
| FI117533B (fi) | 2000-01-20 | 2006-11-15 | Nokia Corp | Menetelmä digitaalisten videokuvien suodattamiseksi |
| US6597723B1 (en) * | 2000-03-21 | 2003-07-22 | Interdigital Technology Corporation | Weighted open loop power control in a time division duplex communication system |
| CN1388946A (zh) * | 2000-07-19 | 2003-01-01 | 金榮浣 | 用于无卡式安全信用交易处理的系统和方法 |
| FR2818862A1 (fr) * | 2000-12-26 | 2002-06-28 | Koninkl Philips Electronics Nv | Procede de traitement de donnees |
| US8107524B2 (en) * | 2001-03-30 | 2012-01-31 | Vixs Systems, Inc. | Adaptive bandwidth footprint matching for multiple compressed video streams in a fixed bandwidth network |
| US20070053428A1 (en) * | 2001-03-30 | 2007-03-08 | Vixs Systems, Inc. | Managed degradation of a video stream |
| EP1401210A4 (en) * | 2001-05-10 | 2011-12-21 | Panasonic Corp | IMAGING DEVICE |
| US6909745B1 (en) | 2001-06-05 | 2005-06-21 | At&T Corp. | Content adaptive video encoder |
| US7773670B1 (en) | 2001-06-05 | 2010-08-10 | At+T Intellectual Property Ii, L.P. | Method of content adaptive video encoding |
| US6968006B1 (en) | 2001-06-05 | 2005-11-22 | At&T Corp. | Method of content adaptive video decoding |
| US6810086B1 (en) * | 2001-06-05 | 2004-10-26 | At&T Corp. | System and method of filtering noise |
| US6970513B1 (en) | 2001-06-05 | 2005-11-29 | At&T Corp. | System for content adaptive video decoding |
| US7075993B2 (en) * | 2001-06-12 | 2006-07-11 | Digital Interactive Streams, Inc. | Correction system and method for enhancing digital video |
| EP1286551A1 (en) * | 2001-07-17 | 2003-02-26 | Telefonaktiebolaget L M Ericsson (Publ) | Error concealment for image information |
| US7391919B2 (en) | 2002-01-23 | 2008-06-24 | Canon Kabushiki Kaisha | Edge correction apparatus, edge correction method, program, and storage medium |
| JP3863808B2 (ja) | 2002-05-27 | 2006-12-27 | 三洋電機株式会社 | 輪郭強調回路 |
| US6807317B2 (en) * | 2002-10-25 | 2004-10-19 | Motorola, Inc. | Method and decoder system for reducing quantization effects of a decoded image |
| JP4123356B2 (ja) | 2002-11-13 | 2008-07-23 | 富士ゼロックス株式会社 | 画像処理装置、画像処理プログラム、記憶媒体 |
| KR20040047046A (ko) * | 2002-11-29 | 2004-06-05 | 엘지전자 주식회사 | 동영상 디코더 및 디코딩 방법 |
| US7643688B2 (en) * | 2003-10-10 | 2010-01-05 | Hewlett-Packard Development Company, L.P. | Reducing artifacts in compressed images |
| US20070159556A1 (en) * | 2004-03-25 | 2007-07-12 | Koninklijke Philips Electronics N.V. | Luminance transient improvemet using video encoding metric for digital video processing |
| US7430336B2 (en) * | 2004-05-06 | 2008-09-30 | Qualcomm Incorporated | Method and apparatus for image enhancement for low bit rate video compression |
| JP2006101228A (ja) * | 2004-09-29 | 2006-04-13 | Toshiba Corp | 映像処理装置 |
| WO2006043190A1 (en) * | 2004-10-18 | 2006-04-27 | Koninklijke Philips Electronics N.V. | Deblocking filter for video data |
| JP4534723B2 (ja) * | 2004-11-05 | 2010-09-01 | 株式会社日立製作所 | 画像表示装置、画像処理装置および画像処理方法 |
| JP4715178B2 (ja) * | 2004-11-30 | 2011-07-06 | セイコーエプソン株式会社 | 画像補正装置、画像補正方法およびコンピュータプログラム |
| JP2006179975A (ja) * | 2004-12-20 | 2006-07-06 | Toshiba Corp | 映像信号処理装置、映像信号処理方法及びテレビ放送受信装置 |
| JP2006246249A (ja) * | 2005-03-04 | 2006-09-14 | Toshiba Corp | 映像信号処理装置及び映像信号処理方法 |
| US7668397B2 (en) * | 2005-03-25 | 2010-02-23 | Algolith Inc. | Apparatus and method for objective assessment of DCT-coded video quality with or without an original video sequence |
| JP5160451B2 (ja) * | 2006-01-31 | 2013-03-13 | トムソン ライセンシング | エッジ・ベースの空間‐時間的フィルタリングの方法および装置 |
| JP4747917B2 (ja) * | 2006-04-03 | 2011-08-17 | 株式会社日立製作所 | デジタル放送受信装置 |
| KR100813068B1 (ko) | 2006-07-28 | 2008-03-14 | 엘지전자 주식회사 | 전계 강도에 따른 화질 보상 방법 및 장치 |
| KR100696162B1 (ko) * | 2006-08-11 | 2007-03-20 | 엠텍비젼 주식회사 | 이미지의 노이즈 감소 장치 및 노이즈 감소 방법, 이를수행하는 프로그램이 기록된 기록 매체 |
| ES2409843T3 (es) * | 2008-01-24 | 2013-06-28 | Nippon Telegraph And Telephone Corporation | Método de codificación, método de decodificación, y dispositivo y programa para los mismos, y medio o soporte de registro o grabación |
| JP5071721B2 (ja) * | 2008-02-27 | 2012-11-14 | ソニー株式会社 | 画像処理装置および方法、並びにプログラム |
| KR101432227B1 (ko) * | 2008-03-06 | 2014-08-27 | 삼성전자주식회사 | 전자기기에서 비트 해상도 증가 및 에지 강화 방법 및 장치 |
| EP2101505A3 (en) * | 2008-03-11 | 2012-09-05 | Sony Corporation | Image processing device, method, and program |
| JP5199955B2 (ja) * | 2009-06-16 | 2013-05-15 | キヤノン株式会社 | 画像復号装置及びその制御方法 |
| JP5199956B2 (ja) * | 2009-06-16 | 2013-05-15 | キヤノン株式会社 | 画像復号装置及びその制御方法 |
| KR101452713B1 (ko) * | 2009-10-30 | 2014-10-21 | 삼성전자주식회사 | 픽처 경계의 부호화 단위를 부호화, 복호화 하는 방법 및 장치 |
| JP4703759B2 (ja) * | 2009-11-27 | 2011-06-15 | 株式会社東芝 | 画像処理装置および同装置における画像処理方法 |
| KR101366776B1 (ko) * | 2009-12-07 | 2014-02-21 | 세종대학교산학협력단 | 영상 객체 검출 장치 및 그 방법 |
| JP4762352B1 (ja) | 2010-03-17 | 2011-08-31 | 株式会社東芝 | 画像処理装置及び画像処理方法 |
| JP2010193515A (ja) * | 2010-05-06 | 2010-09-02 | Fujitsu Ltd | 画像処理方法 |
| JP5055408B2 (ja) | 2010-07-16 | 2012-10-24 | シャープ株式会社 | 映像処理装置、映像処理方法、映像処理プログラム、記憶媒体 |
| JP2012191250A (ja) * | 2011-03-08 | 2012-10-04 | Sony Corp | 画像処理装置、画像処理方法、およびプログラム |
| US10492011B1 (en) | 2019-02-19 | 2019-11-26 | Joel E. Haynes | Non-surgical bone conduction hearing aid |
| CN116132759B (zh) * | 2023-04-19 | 2023-09-12 | 深圳市保凌影像科技有限公司 | 一种音视频流同步传输方法、装置、电子设备及存储介质 |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3028553B2 (ja) * | 1990-04-09 | 2000-04-04 | ソニー株式会社 | 画像処理装置及び画像処理方法 |
| US5081692A (en) * | 1991-04-04 | 1992-01-14 | Eastman Kodak Company | Unsharp masking using center weighted local variance for image sharpening and noise suppression |
| US5367629A (en) * | 1992-12-18 | 1994-11-22 | Sharevision Technology, Inc. | Digital video compression system utilizing vector adaptive transform |
| US5473384A (en) * | 1993-12-16 | 1995-12-05 | At&T Corp. | Method of and system for enhancing distorted graphical information |
| JP2673778B2 (ja) * | 1994-02-22 | 1997-11-05 | 国際電信電話株式会社 | 動画像の復号化における雑音低減装置 |
| US5781184A (en) * | 1994-09-23 | 1998-07-14 | Wasserman; Steve C. | Real time decompression and post-decompress manipulation of compressed full motion video |
| EP0721286A3 (en) * | 1995-01-09 | 2000-07-26 | Matsushita Electric Industrial Co., Ltd. | Video signal decoding apparatus with artifact reduction |
| JP3500751B2 (ja) * | 1995-01-20 | 2004-02-23 | ソニー株式会社 | 画像信号処理装置及び撮像装置 |
| US5852475A (en) * | 1995-06-06 | 1998-12-22 | Compression Labs, Inc. | Transform artifact reduction process |
| JP3221291B2 (ja) * | 1995-07-26 | 2001-10-22 | ソニー株式会社 | 画像処理装置、画像処理方法、ノイズ除去装置及びノイズ除去方法 |
| US5819035A (en) * | 1995-10-20 | 1998-10-06 | Matsushita Electric Industrial Co., Ltd. | Post-filter for removing ringing artifacts of DCT coding |
| US5909249A (en) * | 1995-12-15 | 1999-06-01 | General Instrument Corporation | Reduction of noise visibility in a digital video system |
| KR100242636B1 (ko) * | 1996-03-23 | 2000-02-01 | 윤종용 | 블록화효과 및 링잉노이즈 감소를 위한 신호적응후처리시스템 |
| US5737451A (en) * | 1996-04-10 | 1998-04-07 | Eastman Kodak Company | Method and apparatus for suppressing blocking artifacts in block-transform coded images |
| US5933542A (en) * | 1996-04-24 | 1999-08-03 | Sony Corporation | Method and apparatus for blocking effect reduction in images by post-processing in the spatial domain |
| US5990955A (en) * | 1997-10-03 | 1999-11-23 | Innovacom Inc. | Dual encoding/compression method and system for picture quality/data density enhancement |
-
1997
- 1997-02-13 JP JP2939197A patent/JP3800704B2/ja not_active Expired - Fee Related
-
1998
- 1998-02-04 EP EP19980300812 patent/EP0859518B1/en not_active Expired - Lifetime
- 1998-02-04 DE DE1998623714 patent/DE69823714T2/de not_active Expired - Lifetime
- 1998-02-06 US US09/019,947 patent/US6175596B1/en not_active Expired - Lifetime
- 1998-02-13 CN CN98106971A patent/CN1130918C/zh not_active Expired - Fee Related
- 1998-02-13 KR KR1019980004264A patent/KR100582427B1/ko not_active Expired - Fee Related
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