CN1190950C - 增强图象的电路和方法以及显示设备 - Google Patents
增强图象的电路和方法以及显示设备 Download PDFInfo
- Publication number
- CN1190950C CN1190950C CNB018006280A CN01800628A CN1190950C CN 1190950 C CN1190950 C CN 1190950C CN B018006280 A CNB018006280 A CN B018006280A CN 01800628 A CN01800628 A CN 01800628A CN 1190950 C CN1190950 C CN 1190950C
- Authority
- CN
- China
- Prior art keywords
- image
- picture intelligence
- electronic circuit
- filter
- signal
- 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
- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000002708 enhancing effect Effects 0.000 title claims abstract description 15
- 238000001914 filtration Methods 0.000 claims abstract description 24
- 230000000007 visual effect Effects 0.000 claims description 28
- 238000005728 strengthening Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Images
Classifications
-
- 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 using local operators
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/70—Denoising; Smoothing
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/73—Deblurring; Sharpening
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/20—Circuitry for controlling amplitude response
- H04N5/205—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic
- H04N5/208—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic for compensating for attenuation of high frequency components, e.g. crispening, aperture distortion correction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/20—Special algorithmic details
- G06T2207/20172—Image enhancement details
- G06T2207/20192—Edge enhancement; Edge preservation
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Image Processing (AREA)
- Picture Signal Circuits (AREA)
Abstract
Description
Claims (13)
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00201079.1 | 2000-03-24 | ||
EP00201079 | 2000-03-24 | ||
EP00202058 | 2000-06-13 | ||
EP00202058.4 | 2000-06-13 | ||
EP01200503 | 2001-02-13 | ||
EP01200503.9 | 2001-02-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1365567A CN1365567A (zh) | 2002-08-21 |
CN1190950C true CN1190950C (zh) | 2005-02-23 |
Family
ID=27223268
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB018006280A Expired - Fee Related CN1190950C (zh) | 2000-03-24 | 2001-03-20 | 增强图象的电路和方法以及显示设备 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7009662B2 (zh) |
EP (1) | EP1232649A1 (zh) |
JP (1) | JP2003529294A (zh) |
KR (1) | KR20020022672A (zh) |
CN (1) | CN1190950C (zh) |
WO (1) | WO2001074056A1 (zh) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6933983B2 (en) | 2001-09-10 | 2005-08-23 | Jaldi Semiconductor Corp. | System and method for reducing noise in images |
KR100624421B1 (ko) * | 2004-05-04 | 2006-09-19 | 삼성전자주식회사 | 디지탈 영상 신호 필터링 장치 및 방법 |
CN1293745C (zh) * | 2004-09-13 | 2007-01-03 | 西安交通大学 | 数字化电视后处理技术的视频图像自适应细节增强方法 |
US7522220B2 (en) * | 2005-03-30 | 2009-04-21 | Samsung Electronics Co., Ltd. | Dual-channel adaptive 2D noise reduction for video signals |
CN100442821C (zh) * | 2005-07-25 | 2008-12-10 | 扬智科技股份有限公司 | 影像增显*** |
CN100399797C (zh) * | 2005-08-08 | 2008-07-02 | 扬智科技股份有限公司 | 影像增显*** |
US7620263B2 (en) * | 2005-10-06 | 2009-11-17 | Samsung Electronics Co., Ltd. | Anti-clipping method for image sharpness enhancement |
JP4555207B2 (ja) * | 2005-10-18 | 2010-09-29 | Necディスプレイソリューションズ株式会社 | 画質改善装置および画質改善方法 |
FR2893738B1 (fr) * | 2005-11-18 | 2007-12-28 | Pascal Hannequin | Reduction de bruit dans une image numerique par transformee en cosinus discrete. |
TWI323124B (en) * | 2006-03-09 | 2010-04-01 | Mstar Semiconductor Inc | Image processing apparatus and method for temporal noise reduction and motion enhancement |
EP2053557B1 (en) | 2006-08-17 | 2013-11-06 | Fujitsu Limited | Image processing device, image processing program, and image processing method |
JP2009206922A (ja) * | 2008-02-28 | 2009-09-10 | Funai Electric Co Ltd | 複眼撮像装置 |
US8798388B2 (en) * | 2009-12-03 | 2014-08-05 | Qualcomm Incorporated | Digital image combining to produce optical effects |
CN104809694B (zh) * | 2014-01-23 | 2020-04-03 | 腾讯科技(深圳)有限公司 | 一种数字图像处理方法和装置 |
US10911698B2 (en) * | 2016-09-30 | 2021-02-02 | Huddly As | ISP bias-compensating noise reduction systems and methods |
WO2019005575A1 (en) * | 2017-06-28 | 2019-01-03 | Gopro, Inc. | IMAGE SENSOR DEFECT DETECTION |
CN108230331A (zh) * | 2017-09-30 | 2018-06-29 | 深圳市商汤科技有限公司 | 图像处理方法和装置、电子设备、计算机存储介质 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07105929B2 (ja) * | 1986-11-11 | 1995-11-13 | 松下電器産業株式会社 | 映像信号処理装置 |
JPH01204573A (ja) * | 1988-02-10 | 1989-08-17 | Sony Corp | 雑音低減回路 |
US5038388A (en) * | 1989-05-15 | 1991-08-06 | Polaroid Corporation | Method for adaptively sharpening electronic images |
JPH03112275A (ja) * | 1989-09-27 | 1991-05-13 | Sony Corp | 雑音低減回路 |
US5132795A (en) * | 1990-01-17 | 1992-07-21 | Campbell Jack J | Adaptive vertical gray scale filter for television scan converter |
JP3163886B2 (ja) * | 1994-03-02 | 2001-05-08 | 松下電器産業株式会社 | 輪郭補正装置 |
KR0170657B1 (ko) * | 1994-08-31 | 1999-03-30 | 김광호 | 색신호에 있는 윤곽을 보정하는 방법 및 이를 칼라 비디오기기에서 구현하기 위한 회로 |
DE69709451T2 (de) | 1996-02-05 | 2002-08-29 | Koninklijke Philips Electronics N.V., Eindhoven | Bilddatengeräuschfilterung |
US5777689A (en) * | 1996-04-10 | 1998-07-07 | Tektronix, Inc. | Method and apparatus for video signal sharpening |
AU727503B2 (en) * | 1996-07-31 | 2000-12-14 | Canon Kabushiki Kaisha | Image filtering method and apparatus |
US6072538A (en) * | 1997-07-22 | 2000-06-06 | Sony Corporation | Digital image enhancement |
JP2003528547A (ja) * | 2000-03-24 | 2003-09-24 | 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 | 元の画像ピクセルをn次元的にフィルタ処理するn次元フィルタ及び方法 |
US6600518B1 (en) * | 2000-11-06 | 2003-07-29 | Koninklijke Philips Electronics N.V. | Adaptive clipping prevention for picture sharpness enhancement |
US6907143B2 (en) * | 2001-05-16 | 2005-06-14 | Tektronix, Inc. | Adaptive spatio-temporal filter for human vision system models |
-
2001
- 2001-03-20 EP EP01931541A patent/EP1232649A1/en not_active Withdrawn
- 2001-03-20 US US09/979,226 patent/US7009662B2/en not_active Expired - Lifetime
- 2001-03-20 CN CNB018006280A patent/CN1190950C/zh not_active Expired - Fee Related
- 2001-03-20 JP JP2001571650A patent/JP2003529294A/ja active Pending
- 2001-03-20 WO PCT/EP2001/003136 patent/WO2001074056A1/en not_active Application Discontinuation
- 2001-03-20 KR KR1020017014930A patent/KR20020022672A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
US7009662B2 (en) | 2006-03-07 |
KR20020022672A (ko) | 2002-03-27 |
CN1365567A (zh) | 2002-08-21 |
EP1232649A1 (en) | 2002-08-21 |
US20030007100A1 (en) | 2003-01-09 |
JP2003529294A (ja) | 2003-09-30 |
WO2001074056A1 (en) | 2001-10-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: IPG ELECTRONICS 503 CO., LTD. Free format text: FORMER OWNER: ROYAL PHILIPS ELECTRONICS CO., LTD. Effective date: 20090821 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20090821 Address after: British Channel Islands Patentee after: Koninkl Philips Electronics NV Address before: Holland Ian Deho Finn Patentee before: Koninklike Philips Electronics N. V. |
|
ASS | Succession or assignment of patent right |
Owner name: FUNAI ELECTRIC CO., LTD. Free format text: FORMER OWNER: IPG ELECTRONICS 503 LIMITED Effective date: 20120619 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20120619 Address after: Osaka Japan Patentee after: Funai Electric Co., Ltd. Address before: British Channel Islands Patentee before: Koninkl Philips Electronics NV |
|
TR01 | Transfer of patent right |
Effective date of registration: 20170525 Address after: ottawa Patentee after: Display innovations Address before: Osaka Japan Patentee before: Funai Electric Co., Ltd. |
|
TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050223 Termination date: 20190320 |