DE602005004694D1 - Verfahren und Vorrichtung für lokal adaptive Bildverarbeitungsfilter - Google Patents

Verfahren und Vorrichtung für lokal adaptive Bildverarbeitungsfilter

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Publication number
DE602005004694D1
DE602005004694D1 DE602005004694T DE602005004694T DE602005004694D1 DE 602005004694 D1 DE602005004694 D1 DE 602005004694D1 DE 602005004694 T DE602005004694 T DE 602005004694T DE 602005004694 T DE602005004694 T DE 602005004694T DE 602005004694 D1 DE602005004694 D1 DE 602005004694D1
Authority
DE
Germany
Prior art keywords
image
locally adaptive
image processing
weighted average
adaptive image
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.)
Active
Application number
DE602005004694T
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English (en)
Other versions
DE602005004694T2 (de
Inventor
Jizhang Shan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Omnivision Technologies Inc
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Omnivision Technologies Inc
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by Omnivision Technologies Inc filed Critical Omnivision Technologies Inc
Publication of DE602005004694D1 publication Critical patent/DE602005004694D1/de
Application granted granted Critical
Publication of DE602005004694T2 publication Critical patent/DE602005004694T2/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • G06T5/00—Image enhancement or restoration
    • G06T5/20—Image enhancement or restoration by the use of local operators
    • G06T5/70—
    • 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
    • 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
    • G06T2207/10—Image acquisition modality
    • G06T2207/10016—Video; Image sequence
    • 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
    • G06T2207/20004—Adaptive image processing
    • G06T2207/20012—Locally adaptive
DE602005004694T 2004-05-20 2005-03-30 Verfahren und Vorrichtung für lokal adaptive Bildverarbeitungsfilter Active DE602005004694T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US850831 2004-05-20
US10/850,831 US7822285B2 (en) 2004-05-20 2004-05-20 Methods and systems for locally adaptive image processing filters

Publications (2)

Publication Number Publication Date
DE602005004694D1 true DE602005004694D1 (de) 2008-03-27
DE602005004694T2 DE602005004694T2 (de) 2009-04-23

Family

ID=34940659

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005004694T Active DE602005004694T2 (de) 2004-05-20 2005-03-30 Verfahren und Vorrichtung für lokal adaptive Bildverarbeitungsfilter

Country Status (6)

Country Link
US (1) US7822285B2 (de)
EP (1) EP1601184B1 (de)
CN (1) CN100389597C (de)
AT (1) ATE386402T1 (de)
DE (1) DE602005004694T2 (de)
TW (1) TWI258717B (de)

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US8471787B2 (en) * 2007-08-24 2013-06-25 Canon Kabushiki Kaisha Display method of emission display apparatus
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US9460491B2 (en) * 2008-08-25 2016-10-04 Xerox Corporation Method for binary to contone conversion with non-solid edge detection
US8320698B2 (en) * 2008-09-18 2012-11-27 Sony Corporation System and method for denoising using signal dependent adaptive weights
TWI392379B (zh) 2009-06-02 2013-04-01 Mstar Semiconductor Inc Television image adjustment method and device
CN101909141B (zh) * 2009-06-03 2012-06-27 晨星软件研发(深圳)有限公司 电视影像调整方法与装置
KR101590767B1 (ko) * 2009-06-09 2016-02-03 삼성전자주식회사 영상 처리 장치 및 방법
TWI393073B (zh) * 2009-09-21 2013-04-11 Pixart Imaging Inc 影像雜訊濾除方法
US20110085729A1 (en) * 2009-10-12 2011-04-14 Miaohong Shi De-noising method and related apparatus for image sensor
US8457393B2 (en) * 2010-07-14 2013-06-04 Omnivision Technologies, Inc. Cross-color image processing systems and methods for sharpness enhancement
US8610813B2 (en) 2011-05-31 2013-12-17 Omnivision Technologies, Inc. System and method for extending depth of field in a lens system by use of color-dependent wavefront coding
CN102222328B (zh) * 2011-07-01 2012-10-03 杭州电子科技大学 一种边缘保持的自然场景图像自适应加权滤波方法
US9432642B2 (en) 2011-12-12 2016-08-30 Omnivision Technologies, Inc. Imaging system and method having extended depth of field
US8797601B2 (en) 2012-03-22 2014-08-05 Xerox Corporation Method and system for preserving image quality in an economy print mode
KR101910870B1 (ko) * 2012-06-29 2018-10-24 삼성전자 주식회사 잡음 제거 장치, 시스템 및 방법
JP6071419B2 (ja) * 2012-10-25 2017-02-01 キヤノン株式会社 画像処理装置及び画像処理方法
JP6362333B2 (ja) * 2013-02-14 2018-07-25 キヤノン株式会社 画像処理装置、画像処理方法、およびプログラム
JP6625165B2 (ja) * 2013-02-14 2019-12-25 キヤノン株式会社 画像処理装置、画像処理方法、およびプログラム
CN105608669A (zh) * 2015-12-25 2016-05-25 小米科技有限责任公司 像素点模糊方法及装置
US9710722B1 (en) * 2015-12-29 2017-07-18 Stmicroelectronics International N.V. System and method for adaptive pixel filtering
CN107317959B (zh) * 2016-04-26 2020-01-14 瑞昱半导体股份有限公司 影像滤波装置及其影像滤波方法
CN107370958B (zh) * 2017-08-29 2019-03-29 Oppo广东移动通信有限公司 图像虚化处理方法、装置及拍摄终端
CN110072034B (zh) * 2018-01-23 2021-10-08 瑞昱半导体股份有限公司 影像处理方法及影像处理装置
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Also Published As

Publication number Publication date
US7822285B2 (en) 2010-10-26
EP1601184A1 (de) 2005-11-30
DE602005004694T2 (de) 2009-04-23
CN1766927A (zh) 2006-05-03
TWI258717B (en) 2006-07-21
ATE386402T1 (de) 2008-03-15
US20050259886A1 (en) 2005-11-24
TW200539062A (en) 2005-12-01
CN100389597C (zh) 2008-05-21
EP1601184B1 (de) 2008-02-13

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