CN102821230A - 图像处理装置和图像处理方法 - Google Patents

图像处理装置和图像处理方法 Download PDF

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Publication number
CN102821230A
CN102821230A CN2012101959045A CN201210195904A CN102821230A CN 102821230 A CN102821230 A CN 102821230A CN 2012101959045 A CN2012101959045 A CN 2012101959045A CN 201210195904 A CN201210195904 A CN 201210195904A CN 102821230 A CN102821230 A CN 102821230A
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CN
China
Prior art keywords
iir
variance
signal
processing
pixel
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CN2012101959045A
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English (en)
Chinese (zh)
Inventor
野村宜邦
馆真透
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Sony Corp
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Sony Corp
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    • 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
    • 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
    • H04N5/21—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
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20024—Filtering details
    • G06T2207/20028—Bilateral filtering
    • 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
    • G06T2207/20172—Image enhancement details
    • G06T2207/20192—Edge enhancement; Edge preservation

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Picture Signal Circuits (AREA)
CN2012101959045A 2011-06-09 2012-06-04 图像处理装置和图像处理方法 Pending CN102821230A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011-128824 2011-06-09
JP2011128824A JP2012256202A (ja) 2011-06-09 2011-06-09 画像処理装置、および画像処理方法、並びにプログラム

Publications (1)

Publication Number Publication Date
CN102821230A true CN102821230A (zh) 2012-12-12

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ID=47293254

Family Applications (1)

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CN2012101959045A Pending CN102821230A (zh) 2011-06-09 2012-06-04 图像处理装置和图像处理方法

Country Status (4)

Country Link
US (1) US8744206B2 (enExample)
JP (1) JP2012256202A (enExample)
CN (1) CN102821230A (enExample)
IN (1) IN2012DE01674A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107680524A (zh) * 2017-09-30 2018-02-09 深圳超多维科技有限公司 一种用于裸眼3d显示屏幕的2d显示方法、装置及设备
CN116071271A (zh) * 2023-03-07 2023-05-05 深圳市熠华智能科技有限公司 一种用于平板电脑的图像捕获的分析方法

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013218487A (ja) * 2012-04-06 2013-10-24 Sony Corp 画像処理装置、撮像装置、および画像処理方法、並びにプログラム
KR101929560B1 (ko) 2013-01-29 2019-03-14 삼성전자주식회사 이미지 에지 검출 방법 및 장치
JP6164926B2 (ja) * 2013-05-16 2017-07-19 オリンパス株式会社 ノイズ低減処理装置
JP2014228926A (ja) * 2013-05-20 2014-12-08 株式会社朋栄 巡回型ディジタルフィルタと画像処理方法
CN104217416B (zh) * 2013-05-31 2017-09-15 富士通株式会社 灰度图像处理方法及其装置
US9154698B2 (en) 2013-06-19 2015-10-06 Qualcomm Technologies, Inc. System and method for single-frame based super resolution interpolation for digital cameras
US9727113B2 (en) 2013-08-08 2017-08-08 Linear Algebra Technologies Limited Low power computational imaging
US11768689B2 (en) 2013-08-08 2023-09-26 Movidius Limited Apparatus, systems, and methods for low power computational imaging
US10001993B2 (en) 2013-08-08 2018-06-19 Linear Algebra Technologies Limited Variable-length instruction buffer management
US9910675B2 (en) 2013-08-08 2018-03-06 Linear Algebra Technologies Limited Apparatus, systems, and methods for low power computational imaging
US9196017B2 (en) 2013-11-15 2015-11-24 Linear Algebra Technologies Limited Apparatus, systems, and methods for removing noise from an image
US10460704B2 (en) 2016-04-01 2019-10-29 Movidius Limited Systems and methods for head-mounted display adapted to human visual mechanism
JP6904842B2 (ja) * 2017-08-03 2021-07-21 キヤノン株式会社 画像処理装置、画像処理方法
US10458789B2 (en) 2017-09-15 2019-10-29 Mitsubishi Electric Corporation Signal processing device, sensor device, and signal processing method
KR101961816B1 (ko) * 2017-11-30 2019-03-25 전남대학교산학협력단 영상의 잡음제거 및 에지 보존이 가능한 방향성 평균 필터링 방법
US10949947B2 (en) 2017-12-29 2021-03-16 Intel Corporation Foveated image rendering for head-mounted display devices
WO2020240853A1 (ja) * 2019-05-31 2020-12-03 日本電信電話株式会社 画像処理装置、画像処理方法及びプログラム
CN113421193B (zh) * 2021-05-05 2022-09-30 桂林理工大学 均值-方差成本函数最小模型的多幅影像镶嵌辐射均衡方法

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5641596A (en) * 1995-12-05 1997-06-24 Eastman Kodak Company Adjusting film grain properties in digital images
US5771318A (en) * 1996-06-27 1998-06-23 Siemens Corporate Research, Inc. Adaptive edge-preserving smoothing filter
US6166853A (en) * 1997-01-09 2000-12-26 The University Of Connecticut Method and apparatus for three-dimensional deconvolution of optical microscope images
EP1331734A2 (de) * 2002-01-29 2003-07-30 Siemens Aktiengesellschaft Verfahren zur Koeffizientenadaption bei einem digitalen Filter nach dem Equation-Error-Prinzip
US6999634B2 (en) * 2000-07-18 2006-02-14 Lg Electronics Inc. Spatio-temporal joint filter for noise reduction
WO2006022493A1 (en) * 2004-08-26 2006-03-02 Nextchip Co., Ltd. Method for removing noise in image and system thereof
US7206101B2 (en) * 2001-11-21 2007-04-17 Ge Medical Systems Global Technology Company, Llc Computationally efficient noise reduction filter
CN101527852A (zh) * 2008-03-03 2009-09-09 索尼株式会社 信号处理装置、方法和程序
US20100014596A1 (en) * 2008-07-19 2010-01-21 Headplay (Barbados) Inc. Systems and methods for improving the quality of compressed video signals by smoothing block artifacts

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001036769A (ja) 1999-07-23 2001-02-09 Hitachi Denshi Ltd ノイズ低減装置
JP2005184786A (ja) 2003-11-28 2005-07-07 Victor Co Of Japan Ltd ノイズ抑圧回路
JP4180007B2 (ja) 2004-03-30 2008-11-12 三洋電機株式会社 画像信号処理回路
JP5168056B2 (ja) 2008-09-29 2013-03-21 富士通セミコンダクター株式会社 ノイズ除去装置及びノイズ除去方法
US8600188B2 (en) * 2010-09-15 2013-12-03 Sharp Laboratories Of America, Inc. Methods and systems for noise reduction and image enhancement

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5641596A (en) * 1995-12-05 1997-06-24 Eastman Kodak Company Adjusting film grain properties in digital images
US5771318A (en) * 1996-06-27 1998-06-23 Siemens Corporate Research, Inc. Adaptive edge-preserving smoothing filter
US6166853A (en) * 1997-01-09 2000-12-26 The University Of Connecticut Method and apparatus for three-dimensional deconvolution of optical microscope images
US6999634B2 (en) * 2000-07-18 2006-02-14 Lg Electronics Inc. Spatio-temporal joint filter for noise reduction
US7206101B2 (en) * 2001-11-21 2007-04-17 Ge Medical Systems Global Technology Company, Llc Computationally efficient noise reduction filter
EP1331734A2 (de) * 2002-01-29 2003-07-30 Siemens Aktiengesellschaft Verfahren zur Koeffizientenadaption bei einem digitalen Filter nach dem Equation-Error-Prinzip
WO2006022493A1 (en) * 2004-08-26 2006-03-02 Nextchip Co., Ltd. Method for removing noise in image and system thereof
CN101527852A (zh) * 2008-03-03 2009-09-09 索尼株式会社 信号处理装置、方法和程序
US20100014596A1 (en) * 2008-07-19 2010-01-21 Headplay (Barbados) Inc. Systems and methods for improving the quality of compressed video signals by smoothing block artifacts

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107680524A (zh) * 2017-09-30 2018-02-09 深圳超多维科技有限公司 一种用于裸眼3d显示屏幕的2d显示方法、装置及设备
CN116071271A (zh) * 2023-03-07 2023-05-05 深圳市熠华智能科技有限公司 一种用于平板电脑的图像捕获的分析方法

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JP2012256202A (ja) 2012-12-27
US20120314946A1 (en) 2012-12-13
US8744206B2 (en) 2014-06-03
IN2012DE01674A (enExample) 2015-09-25

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Application publication date: 20121212