ATE386402T1 - Verfahren und vorrichtung für lokal adaptive bildverarbeitungsfilter - Google Patents

Verfahren und vorrichtung für lokal adaptive bildverarbeitungsfilter

Info

Publication number
ATE386402T1
ATE386402T1 AT05251956T AT05251956T ATE386402T1 AT E386402 T1 ATE386402 T1 AT E386402T1 AT 05251956 T AT05251956 T AT 05251956T AT 05251956 T AT05251956 T AT 05251956T AT E386402 T1 ATE386402 T1 AT E386402T1
Authority
AT
Austria
Prior art keywords
image
locally adaptive
image processing
weighted average
adaptive image
Prior art date
Application number
AT05251956T
Other languages
English (en)
Inventor
Jizhang Shan
Original Assignee
Omnivision Tech 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.)
Filing date
Publication date
Application filed by Omnivision Tech Inc filed Critical Omnivision Tech Inc
Application granted granted Critical
Publication of ATE386402T1 publication Critical patent/ATE386402T1/de

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 OR CALCULATING; 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 OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/70—Denoising; Smoothing
    • 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 OR CALCULATING; 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 OR CALCULATING; 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Facsimile Image Signal Circuits (AREA)
AT05251956T 2004-05-20 2005-03-30 Verfahren und vorrichtung für lokal adaptive bildverarbeitungsfilter ATE386402T1 (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ATE386402T1 true ATE386402T1 (de) 2008-03-15

Family

ID=34940659

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05251956T ATE386402T1 (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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US8320698B2 (en) * 2008-09-18 2012-11-27 Sony Corporation System and method for denoising using signal dependent adaptive weights
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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
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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
KR102502205B1 (ko) * 2018-04-27 2023-02-22 삼성디스플레이 주식회사 열화 보상 장치, 이를 포함하는 표시 장치 및 표시 장치의 영상 데이터 보상 방법
GB2570528B (en) * 2018-06-25 2020-06-10 Imagination Tech Ltd Bilateral filter with data model
KR102710388B1 (ko) * 2020-05-18 2024-09-27 에스케이하이닉스 주식회사 로컬 톤 맵핑 회로, 이미지 센싱 장치 및 그 동작방법
JP7610372B2 (ja) * 2020-08-21 2025-01-08 キヤノンメディカルシステムズ株式会社 超音波診断装置、医用画像処理装置、および補正プログラム

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Also Published As

Publication number Publication date
TW200539062A (en) 2005-12-01
DE602005004694T2 (de) 2009-04-23
US7822285B2 (en) 2010-10-26
EP1601184B1 (de) 2008-02-13
CN1766927A (zh) 2006-05-03
CN100389597C (zh) 2008-05-21
TWI258717B (en) 2006-07-21
US20050259886A1 (en) 2005-11-24
EP1601184A1 (de) 2005-11-30
DE602005004694D1 (de) 2008-03-27

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