FI117534B - Menetelmä digitaalisten kuvien suodattamiseksi ja suodatin - Google Patents
Menetelmä digitaalisten kuvien suodattamiseksi ja suodatin Download PDFInfo
- Publication number
- FI117534B FI117534B FI20000141A FI20000141A FI117534B FI 117534 B FI117534 B FI 117534B FI 20000141 A FI20000141 A FI 20000141A FI 20000141 A FI20000141 A FI 20000141A FI 117534 B FI117534 B FI 117534B
- Authority
- FI
- Finland
- Prior art keywords
- image
- block
- decoded
- blocks
- processed
- Prior art date
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
- H04N19/50—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
- H04N19/527—Global motion vector estimation
-
- 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
- H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
-
- 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
- H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Facsimile Image Signal Circuits (AREA)
- Image Processing (AREA)
- Time-Division Multiplex Systems (AREA)
- Color Television Systems (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Holo Graphy (AREA)
Priority Applications (14)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20000141A FI117534B (fi) | 2000-01-21 | 2000-01-24 | Menetelmä digitaalisten kuvien suodattamiseksi ja suodatin |
US09/766,238 US7388996B2 (en) | 2000-01-21 | 2001-01-19 | Method for filtering digital images, and a filtering device |
AU2001230274A AU2001230274A1 (en) | 2000-01-21 | 2001-01-22 | A method for filtering digital images, and a filtering device |
CNB018064507A CN100568973C (zh) | 2000-01-21 | 2001-01-22 | 数字图像的过滤方法和过滤设备 |
AT01902441T ATE420534T1 (de) | 2000-01-21 | 2001-01-22 | Verfahren zur filterung von digitalen bildern und filtergerät |
DE60137315T DE60137315D1 (de) | 2000-01-21 | 2001-01-22 | Verfahren zur filterung von digitalen bildern und filtergerät |
JP2001553305A JP2003520530A (ja) | 2000-01-21 | 2001-01-22 | デジタル画像をフィルタリングする方法およびフィルタリング装置 |
EP01902441A EP1264486B1 (de) | 2000-01-21 | 2001-01-22 | Verfahren zur filterung von digitalen bildern und filtergerät |
BR0107757-0A BR0107757A (pt) | 2000-01-21 | 2001-01-22 | Método para filtrar imagens digitais e dispositivo de filtragem |
KR1020027009308A KR100754461B1 (ko) | 2000-01-21 | 2001-01-22 | 디지털 이미지들을 필터링하기 위한 방법 및 필터링 장치 |
CA002396941A CA2396941C (en) | 2000-01-21 | 2001-01-22 | A method for filtering digital images, and a filtering device |
PCT/FI2001/000048 WO2001054414A1 (en) | 2000-01-21 | 2001-01-22 | A method for filtering digital images, and a filtering device |
HK03106478.5A HK1054289A1 (zh) | 2000-01-21 | 2003-09-10 | 數字圖像的過濾方法和過濾設備 |
JP2007187429A JP4990701B2 (ja) | 2000-01-21 | 2007-07-18 | デジタル画像をフィルタリングする方法およびフィルタリング装置 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20000122 | 2000-01-21 | ||
FI20000122A FI20000122A0 (fi) | 2000-01-21 | 2000-01-21 | Menetelmä digitaalisten kuvien suodattamiseksi ja suodatin |
FI20000141A FI117534B (fi) | 2000-01-21 | 2000-01-24 | Menetelmä digitaalisten kuvien suodattamiseksi ja suodatin |
FI20000141 | 2000-01-24 |
Publications (3)
Publication Number | Publication Date |
---|---|
FI20000141A0 FI20000141A0 (fi) | 2000-01-24 |
FI20000141A FI20000141A (fi) | 2001-07-22 |
FI117534B true FI117534B (fi) | 2006-11-15 |
Family
ID=26160929
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI20000141A FI117534B (fi) | 2000-01-21 | 2000-01-24 | Menetelmä digitaalisten kuvien suodattamiseksi ja suodatin |
Country Status (13)
Country | Link |
---|---|
US (1) | US7388996B2 (de) |
EP (1) | EP1264486B1 (de) |
JP (2) | JP2003520530A (de) |
KR (1) | KR100754461B1 (de) |
CN (1) | CN100568973C (de) |
AT (1) | ATE420534T1 (de) |
AU (1) | AU2001230274A1 (de) |
BR (1) | BR0107757A (de) |
CA (1) | CA2396941C (de) |
DE (1) | DE60137315D1 (de) |
FI (1) | FI117534B (de) |
HK (1) | HK1054289A1 (de) |
WO (1) | WO2001054414A1 (de) |
Families Citing this family (42)
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---|---|---|---|---|
CN1968413B (zh) * | 2001-09-12 | 2012-05-30 | 松下电器产业株式会社 | 图像解码方法 |
US6983079B2 (en) * | 2001-09-20 | 2006-01-03 | Seiko Epson Corporation | Reducing blocking and ringing artifacts in low-bit-rate coding |
EP2899977A1 (de) | 2002-01-31 | 2015-07-29 | Samsung Electronics Co., Ltd | Filterverfahren und Vorrichtung zur Verminderung von Blockartefakten und Überschwingungsstörungen |
US7031552B2 (en) * | 2002-04-05 | 2006-04-18 | Seiko Epson Corporation | Adaptive post-filtering for reducing noise in highly compressed image/video coding |
US7543326B2 (en) * | 2002-06-10 | 2009-06-02 | Microsoft Corporation | Dynamic rate control |
US7289674B2 (en) | 2002-06-11 | 2007-10-30 | Nokia Corporation | Spatial prediction based intra coding |
US6950473B2 (en) * | 2002-06-21 | 2005-09-27 | Seiko Epson Corporation | Hybrid technique for reducing blocking and ringing artifacts in low-bit-rate coding |
US20030235250A1 (en) * | 2002-06-24 | 2003-12-25 | Ankur Varma | Video deblocking |
US7031392B2 (en) * | 2002-09-20 | 2006-04-18 | Seiko Epson Corporation | Method and apparatus for video deblocking |
US6922492B2 (en) * | 2002-12-27 | 2005-07-26 | Motorola, Inc. | Video deblocking method and apparatus |
WO2004064396A1 (en) * | 2003-01-10 | 2004-07-29 | Thomson Licensing S.A. | Decoder apparatus and method for smoothing artifacts created during error concealment |
CN1843038B (zh) * | 2003-08-26 | 2010-09-22 | 汤姆森特许公司 | 用于解码混合内部-相互编码块的方法和装置 |
US20080123739A1 (en) * | 2003-09-25 | 2008-05-29 | Amimon Ltd. | Wireless Transmission of High Quality Video |
FI116959B (fi) | 2004-03-17 | 2006-04-13 | Nokia Corp | Elektroninen laite ja menetelmä elektronisessa laitteessa kuvadatan prosessoimiseksi |
KR101204788B1 (ko) | 2004-06-03 | 2012-11-26 | 삼성전자주식회사 | 영상의 공간 예측 부호화 방법, 부호화 장치, 복호화 방법및 복호화 장치 |
US20060029135A1 (en) * | 2004-06-22 | 2006-02-09 | Minhua Zhou | In-loop deblocking filter |
KR100644618B1 (ko) * | 2004-07-02 | 2006-11-10 | 삼성전자주식회사 | 블록 단위로 부호화된 영상의 블록경계에서의 불연속성제거필터 및 방법 |
US7664184B2 (en) * | 2004-07-21 | 2010-02-16 | Amimon Ltd. | Interpolation image compression |
US8085846B2 (en) * | 2004-08-24 | 2011-12-27 | Thomson Licensing | Method and apparatus for decoding hybrid intra-inter coded blocks |
DE102004049094B4 (de) * | 2004-10-08 | 2006-09-28 | Sci-Worx Gmbh | Verfahren zur Reduktion von Blockartefakten an Blockgrenzen digitaler Bildblöcke, die aus einem Feld von Pels bestehen, wobei eine Mehrzahl von Bildblöcken ein Bild oder Teilbild bilden |
KR20060060919A (ko) * | 2004-12-01 | 2006-06-07 | 삼성전자주식회사 | H.264/mpeg-4 에서의 블록킹 효과를 제거하기 위한디블록 필터 및 필터링 방법 |
KR100679035B1 (ko) * | 2005-01-04 | 2007-02-06 | 삼성전자주식회사 | 인트라 bl 모드를 고려한 디블록 필터링 방법, 및 상기방법을 이용하는 다 계층 비디오 인코더/디코더 |
US8625914B2 (en) | 2013-02-04 | 2014-01-07 | Sony Corporation | Image processing system, image processing method and program |
JP4784188B2 (ja) * | 2005-07-25 | 2011-10-05 | ソニー株式会社 | 画像処理装置、画像処理方法およびプログラム |
KR100678958B1 (ko) * | 2005-07-29 | 2007-02-06 | 삼성전자주식회사 | 인트라 bl 모드를 고려한 디블록 필터링 방법, 및 상기방법을 이용하는 다 계층 비디오 인코더/디코더 |
US7570812B2 (en) * | 2005-11-01 | 2009-08-04 | Samsung Electronics Co., Ltd. | Super precision for smoothly changing area based on segmentation and low-pass filtering |
US7551232B2 (en) * | 2005-11-14 | 2009-06-23 | Lsi Corporation | Noise adaptive 3D composite noise reduction |
KR100827822B1 (ko) * | 2006-07-14 | 2008-05-07 | 엠텍비젼 주식회사 | 블록화 현상을 제거하는 디코딩 보정 방법 및 디코딩 보정시스템 |
JP4789753B2 (ja) | 2006-08-28 | 2011-10-12 | 富士通セミコンダクター株式会社 | 画像データバッファ装置、画像転送処理システム、及び画像データバッファ方法 |
KR101379255B1 (ko) * | 2007-04-06 | 2014-03-28 | 삼성전자주식회사 | 미분 방정식을 이용한 인트라 예측 부호화, 복호화 방법 및장치 |
US7961224B2 (en) * | 2008-01-25 | 2011-06-14 | Peter N. Cheimets | Photon counting imaging system |
CN102007770B (zh) * | 2008-04-15 | 2013-07-31 | 法国电信公司 | 切分成线性形式的像素分区的图像或图像序列的编码和解码 |
WO2010091504A1 (en) * | 2009-02-13 | 2010-08-19 | Research In Motion Limited | In-loop deblocking for intra-coded images or frames |
WO2010091505A1 (en) * | 2009-02-13 | 2010-08-19 | Research In Motion Limited | Modified entropy encoding for images and videos |
US8934543B2 (en) * | 2009-02-13 | 2015-01-13 | Blackberry Limited | Adaptive quantization with balanced pixel-domain distortion distribution in image processing |
JP5568884B2 (ja) * | 2009-04-02 | 2014-08-13 | セイコーエプソン株式会社 | 映像処理装置、映像処理方法 |
KR20110123651A (ko) | 2010-05-07 | 2011-11-15 | 한국전자통신연구원 | 생략 부호화를 이용한 영상 부호화 및 복호화 장치 및 그 방법 |
CN103718556B (zh) * | 2011-07-22 | 2017-06-16 | Sk电信有限公司 | 利用灵活解块滤波的编码解码装置和方法 |
US20130083845A1 (en) | 2011-09-30 | 2013-04-04 | Research In Motion Limited | Methods and devices for data compression using a non-uniform reconstruction space |
EP2595382B1 (de) | 2011-11-21 | 2019-01-09 | BlackBerry Limited | Verfahren und Vorrichtungen zur Codierung und Decodierung von Transformationsdomänenfiltern |
US10110926B2 (en) | 2015-10-15 | 2018-10-23 | Cisco Technology, Inc. | Efficient loop filter for video codec |
CN113455005A (zh) * | 2019-01-10 | 2021-09-28 | 华为技术有限公司 | 用于帧内子分区译码工具所产生的子分区边界的去块效应滤波器 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5337088A (en) | 1991-04-18 | 1994-08-09 | Matsushita Electric Industrial Co. Ltd. | Method of correcting an image signal decoded in block units |
US5493513A (en) * | 1993-11-24 | 1996-02-20 | Intel Corporation | Process, apparatus and system for encoding video signals using motion estimation |
JP3401894B2 (ja) | 1994-02-17 | 2003-04-28 | 松下電器産業株式会社 | 映像信号処理装置 |
KR0174452B1 (ko) * | 1995-02-28 | 1999-03-20 | 배순훈 | 디지털 영상 복호화장치 |
JP3540855B2 (ja) * | 1995-03-08 | 2004-07-07 | シャープ株式会社 | ブロック歪み補正器 |
FR2737931B1 (fr) | 1995-08-17 | 1998-10-02 | Siemens Ag | Procede destine au traitement de blocs d'images decodes d'un procede de codage d'images a base de blocs |
DE19626985C1 (de) | 1996-07-04 | 1998-01-02 | Siemens Ag | Verfahren und Anordnung zur Reduktion von Codierungsartefakten von blockbasierten Bildcodierungsverfahren und objektbasierten Bildcodierungsverfahren |
US6496605B1 (en) * | 1996-08-02 | 2002-12-17 | United Module Corporation | Block deformation removing filter, image processing apparatus using the same, method of filtering image signal, and storage medium for storing software therefor |
JPH10224790A (ja) * | 1997-02-07 | 1998-08-21 | Matsushita Electric Ind Co Ltd | 圧縮伸張された画像中のブロック状ノイズを除去するフィルタおよびフィルタ方法 |
FI106071B (fi) | 1997-03-13 | 2000-11-15 | Nokia Mobile Phones Ltd | Mukautuva suodatin |
KR100463004B1 (ko) | 1997-03-20 | 2005-06-02 | 주식회사 팬택앤큐리텔 | Mpeg-4vop부호화방법 |
KR100529483B1 (ko) * | 1997-05-28 | 2005-11-22 | 소니 가부시끼 가이샤 | 블록 왜곡 감소 방법과 장치 및 부호화 방법과 장치 |
TW398131B (en) * | 1997-06-20 | 2000-07-11 | Matsushita Electric Ind Co Ltd | The image process method, the image process device and the data memory medium |
CN100459715C (zh) | 1997-07-31 | 2009-02-04 | 日本胜利株式会社 | 数字视频信号块间预测编码/解码装置及编码/解码方法 |
EP0926899A3 (de) * | 1997-12-25 | 1999-12-15 | SANYO ELECTRIC Co., Ltd. | Gerät und Verfahren für Bilddekomprimierung |
JP3905969B2 (ja) | 1998-01-30 | 2007-04-18 | 株式会社東芝 | 動画像符号化装置および動画像符号化方法 |
AUPP444898A0 (en) * | 1998-07-02 | 1998-07-23 | Canon Kabushiki Kaisha | A method and apparatus for boundary filtering a digital image |
US6236764B1 (en) * | 1998-11-30 | 2001-05-22 | Equator Technologies, Inc. | Image processing circuit and method for reducing a difference between pixel values across an image boundary |
WO2000049809A1 (en) | 1999-02-16 | 2000-08-24 | Koninklijke Philips Electronics N.V. | Video decoding device and method using a filtering step for block effect reduction |
-
2000
- 2000-01-24 FI FI20000141A patent/FI117534B/fi not_active IP Right Cessation
-
2001
- 2001-01-19 US US09/766,238 patent/US7388996B2/en not_active Expired - Lifetime
- 2001-01-22 CA CA002396941A patent/CA2396941C/en not_active Expired - Fee Related
- 2001-01-22 KR KR1020027009308A patent/KR100754461B1/ko active IP Right Grant
- 2001-01-22 DE DE60137315T patent/DE60137315D1/de not_active Expired - Lifetime
- 2001-01-22 AU AU2001230274A patent/AU2001230274A1/en not_active Abandoned
- 2001-01-22 JP JP2001553305A patent/JP2003520530A/ja not_active Withdrawn
- 2001-01-22 CN CNB018064507A patent/CN100568973C/zh not_active Expired - Lifetime
- 2001-01-22 AT AT01902441T patent/ATE420534T1/de not_active IP Right Cessation
- 2001-01-22 BR BR0107757-0A patent/BR0107757A/pt not_active IP Right Cessation
- 2001-01-22 WO PCT/FI2001/000048 patent/WO2001054414A1/en active Application Filing
- 2001-01-22 EP EP01902441A patent/EP1264486B1/de not_active Expired - Lifetime
-
2003
- 2003-09-10 HK HK03106478.5A patent/HK1054289A1/zh unknown
-
2007
- 2007-07-18 JP JP2007187429A patent/JP4990701B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FI20000141A (fi) | 2001-07-22 |
US7388996B2 (en) | 2008-06-17 |
DE60137315D1 (de) | 2009-02-26 |
HK1054289A1 (zh) | 2003-11-21 |
WO2001054414A1 (en) | 2001-07-26 |
AU2001230274A1 (en) | 2001-07-31 |
CA2396941A1 (en) | 2001-07-26 |
EP1264486A1 (de) | 2002-12-11 |
BR0107757A (pt) | 2002-11-12 |
FI20000141A0 (fi) | 2000-01-24 |
EP1264486B1 (de) | 2009-01-07 |
KR100754461B1 (ko) | 2007-09-03 |
CN1416650A (zh) | 2003-05-07 |
JP2007300676A (ja) | 2007-11-15 |
KR20030003222A (ko) | 2003-01-09 |
CN100568973C (zh) | 2009-12-09 |
CA2396941C (en) | 2005-10-18 |
US20010019634A1 (en) | 2001-09-06 |
JP2003520530A (ja) | 2003-07-02 |
ATE420534T1 (de) | 2009-01-15 |
JP4990701B2 (ja) | 2012-08-01 |
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