CN1170304A - 用于减少阻塞效应和跳动噪声的信号自适应后处理方法 - Google Patents
用于减少阻塞效应和跳动噪声的信号自适应后处理方法 Download PDFInfo
- Publication number
- CN1170304A CN1170304A CN96122058A CN96122058A CN1170304A CN 1170304 A CN1170304 A CN 1170304A CN 96122058 A CN96122058 A CN 96122058A CN 96122058 A CN96122058 A CN 96122058A CN 1170304 A CN1170304 A CN 1170304A
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- China
- Prior art keywords
- weight coefficient
- signal adaptive
- filtering
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- pixel
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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
-
- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/20—Image enhancement or restoration by the use of local operators
-
- 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
Abstract
Description
比特率空间分辨率帧速率 | 序列 | H.263(PSNR) | (a) |
10kbps,QCIF,5Hz | AkiyoHall monitorContainer shipMother & daughter | 34.8132.6531.9733.81 | 35.0632.8832.0033.93 |
24kbps,QCIF,10Hz | AkiyoHall monitorContainer shipMother & daughter | 36.1833.6833.3635.18 | 36.2533.8833.3235.18 |
空间分辨率帧速率 | 比特率 | 序列 | H.263(PSNR) | (a) | (b) | (c) |
CIF,7.5Hz | 48kbps77kbps70kbps48kbps | NewsForemanCoastguardSilent voice | 32.0029.4626.3531.41 | 32.1329.5326.3531.55 | 32.0629.5426.3131.47 | 31.9729.5326.2731.46 |
CIF,15Hz | 112kbps112kbps114kbps112kbps | NewsForemanCoastguardSilent voice | 34.4230.0626.7132.89 | 34.5930.1226.7133.04 | 34.4630.1226.6832.90 | 34.2730.0726.6232.83 |
Claims (17)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960008041A KR100242636B1 (ko) | 1996-03-23 | 1996-03-23 | 블록화효과 및 링잉노이즈 감소를 위한 신호적응후처리시스템 |
KR8041/96 | 1996-03-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1170304A true CN1170304A (zh) | 1998-01-14 |
CN1085464C CN1085464C (zh) | 2002-05-22 |
Family
ID=19453788
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN96122058A Expired - Lifetime CN1085464C (zh) | 1996-03-23 | 1996-09-24 | 用于减少阻塞效应和跳动噪声的信号自适应后处理方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US5883983A (zh) |
EP (1) | EP0797349B1 (zh) |
KR (1) | KR100242636B1 (zh) |
CN (1) | CN1085464C (zh) |
DE (1) | DE69627982T2 (zh) |
Cited By (2)
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---|---|---|---|---|
CN100433792C (zh) * | 2004-06-08 | 2008-11-12 | 三星电子株式会社 | 用于增强图像锐度并消除噪声的视频信号处理装置及方法 |
CN101273640B (zh) * | 2005-09-30 | 2010-12-08 | 英特尔公司 | 用于减少数字图像的振铃噪声和蚊式噪声的时间-空间边缘保留滤波技术的系统和方法 |
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KR100242637B1 (ko) * | 1996-07-06 | 2000-02-01 | 윤종용 | 동보상된 영상의 블록화효과 및 링잉노이즈 감소를 위한 루프필터링방법 |
JP3800704B2 (ja) * | 1997-02-13 | 2006-07-26 | ソニー株式会社 | 映像信号処理装置及び方法 |
JP3095140B2 (ja) * | 1997-03-10 | 2000-10-03 | 三星電子株式会社 | ブロック化効果の低減のための一次元信号適応フィルター及びフィルタリング方法 |
KR100234316B1 (ko) * | 1997-04-04 | 1999-12-15 | 윤종용 | 링잉노이즈 감소를 위한 신호적응 필터링 방법 및 신호적응필터 |
JP3477603B2 (ja) * | 1997-04-07 | 2003-12-10 | 株式会社日立製作所 | 画像処理方法、画像処理装置および画像処理プログラムを記録した記録媒体 |
DE69720192T2 (de) * | 1997-05-30 | 2003-12-04 | St Microelectronics Srl | Nachverarbeitungsmethode zur Verringerung von Artefakten in blockweise kodierten digitalen Bildern, und Vorrichtung zur Verwendung der Methode |
KR100243225B1 (ko) * | 1997-07-16 | 2000-02-01 | 윤종용 | 블록화효과 및 링잉잡음 감소를 위한 신호적응필터링방법 및신호적응필터 |
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1996
- 1996-03-23 KR KR1019960008041A patent/KR100242636B1/ko not_active IP Right Cessation
- 1996-09-23 DE DE69627982T patent/DE69627982T2/de not_active Expired - Lifetime
- 1996-09-23 EP EP96306904A patent/EP0797349B1/en not_active Expired - Lifetime
- 1996-09-24 CN CN96122058A patent/CN1085464C/zh not_active Expired - Lifetime
- 1996-10-09 US US08/728,048 patent/US5883983A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100433792C (zh) * | 2004-06-08 | 2008-11-12 | 三星电子株式会社 | 用于增强图像锐度并消除噪声的视频信号处理装置及方法 |
CN101273640B (zh) * | 2005-09-30 | 2010-12-08 | 英特尔公司 | 用于减少数字图像的振铃噪声和蚊式噪声的时间-空间边缘保留滤波技术的系统和方法 |
Also Published As
Publication number | Publication date |
---|---|
DE69627982T2 (de) | 2004-03-11 |
EP0797349B1 (en) | 2003-05-07 |
US5883983A (en) | 1999-03-16 |
EP0797349A3 (en) | 1999-12-29 |
KR970068632A (ko) | 1997-10-13 |
EP0797349A2 (en) | 1997-09-24 |
KR100242636B1 (ko) | 2000-02-01 |
DE69627982D1 (de) | 2003-06-12 |
CN1085464C (zh) | 2002-05-22 |
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Owner name: QUALCOMM CO., LTD. Free format text: FORMER OWNER: SAMSUNG ELECTRONICS CO., LTD Effective date: 20100607 |
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Free format text: CORRECT: ADDRESS; FROM: GYEONGGI-DO, SOUTH KOREA TO: CALIFORNIA, USA |
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Effective date of registration: 20100607 Address after: American California Patentee after: Qualcomm Inc. Address before: Gyeonggi Do, South Korea Patentee before: Samsung Electronics Co., Ltd. |
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Granted publication date: 20020522 |
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