JP4046969B2 - 画像処理装置、及びその方法、並びにプログラム、記憶媒体 - Google Patents

画像処理装置、及びその方法、並びにプログラム、記憶媒体 Download PDF

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JP4046969B2
JP4046969B2 JP2001328064A JP2001328064A JP4046969B2 JP 4046969 B2 JP4046969 B2 JP 4046969B2 JP 2001328064 A JP2001328064 A JP 2001328064A JP 2001328064 A JP2001328064 A JP 2001328064A JP 4046969 B2 JP4046969 B2 JP 4046969B2
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JP2002216126A5 (enExample
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友彦 松浦
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Canon Inc
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    • 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/10—Image enhancement or restoration using non-spatial domain 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
    • G06T2207/10—Image acquisition modality
    • G06T2207/10116—X-ray image
    • 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
    • G06T2207/20048—Transform domain processing
    • G06T2207/20064—Wavelet transform [DWT]
    • 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
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30004—Biomedical image processing

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Picture Signal Circuits (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Image Analysis (AREA)
JP2001328064A 2000-11-09 2001-10-25 画像処理装置、及びその方法、並びにプログラム、記憶媒体 Expired - Fee Related JP4046969B2 (ja)

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JP2001328064A JP4046969B2 (ja) 2000-11-09 2001-10-25 画像処理装置、及びその方法、並びにプログラム、記憶媒体
US09/986,252 US6823090B2 (en) 2000-11-09 2001-11-08 Image processing apparatus and its method, program, and storage medium
US10/941,879 US7245776B2 (en) 2000-11-09 2004-09-16 Image processing apparatus and its method, program and storage medium

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JP2000342341 2000-11-09
JP2001328064A JP4046969B2 (ja) 2000-11-09 2001-10-25 画像処理装置、及びその方法、並びにプログラム、記憶媒体

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Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4046969B2 (ja) * 2000-11-09 2008-02-13 キヤノン株式会社 画像処理装置、及びその方法、並びにプログラム、記憶媒体
KR101005248B1 (ko) * 2002-06-28 2011-01-04 노키아 코포레이션 정보단말
JP4045422B2 (ja) * 2002-07-23 2008-02-13 株式会社日立メディコ 画像処理装置
JP2004127064A (ja) * 2002-10-04 2004-04-22 Konica Minolta Holdings Inc 画像処理方法、画像処理装置、画像処理プログラム及び画像記録装置
US7548656B2 (en) * 2003-01-16 2009-06-16 Konica Minolta Holdings, Inc. Method and apparatus for processing image signals by applying a multi-resolution conversion processing for reducing the image size and applying a dyadic wavelet transform
US7260272B2 (en) * 2003-07-10 2007-08-21 Samsung Electronics Co.. Ltd. Method and apparatus for noise reduction using discrete wavelet transform
KR100965880B1 (ko) * 2003-09-29 2010-06-24 삼성전자주식회사 영상의 잡음 제거 방법
JP4072491B2 (ja) * 2003-10-23 2008-04-09 キヤノン株式会社 画像処理装置、画像処理方法、プログラム及びコンピュータ可読媒体
JP4006431B2 (ja) * 2004-10-28 2007-11-14 キヤノン株式会社 画像処理方法及び画像処理装置
JP4652346B2 (ja) * 2005-01-11 2011-03-16 株式会社日立メディコ Ｘ線撮影装置
US8050331B2 (en) * 2005-05-20 2011-11-01 Ntt Docomo, Inc. Method and apparatus for noise filtering in video coding
JP4671417B2 (ja) * 2005-09-27 2011-04-20 キヤノン株式会社 画像処理装置、画像処理方法
DE102006005803A1 (de) * 2006-02-08 2007-08-09 Siemens Ag Verfahren zur Rauschreduktion in bildgebenden Verfahren
US8094965B2 (en) * 2006-12-19 2012-01-10 California Institute Of Technology Image processor
JP2010530086A (ja) * 2006-12-19 2010-09-02 創太 清水 イメージングモデル及び画像処理装置
DE102007013570A1 (de) * 2007-03-21 2008-09-25 Siemens Ag Verfahren zur Rauschverminderung in digitalen Bildern mit lokal unterschiedlichem und gerichtetem Rauschen
JP2008245033A (ja) * 2007-03-28 2008-10-09 Institute Of National Colleges Of Technology Japan 被写界深度制御方法、画像処理装置及びプログラムと記録媒体
US8280181B2 (en) * 2007-12-13 2012-10-02 Seiko Epson Corporation Efficient filtering of image data
JP5366619B2 (ja) * 2008-08-12 2013-12-11 キヤノン株式会社 画像処理装置、撮像装置、画像処理方法、画像処理プログラム
US8339474B2 (en) * 2008-08-20 2012-12-25 Freescale Semiconductor, Inc. Gain controlled threshold in denoising filter for image signal processing
US8004588B2 (en) * 2008-08-27 2011-08-23 Seiko Epson Corporation Image processing procedure for receiving mosaic image data and calculating vertical and horizontal-direction color difference components for each pixel
KR101552680B1 (ko) 2009-03-09 2015-09-14 삼성전자 주식회사 노이즈 저감 장치 및 방법
JP2011255032A (ja) * 2010-06-10 2011-12-22 Shimadzu Corp 画像処理方法およびそれを用いた放射線撮影装置
US8625006B2 (en) * 2010-07-26 2014-01-07 Sony Corporation Active imaging device and method for speckle noise reduction
CN101944230B (zh) * 2010-08-31 2012-03-28 西安电子科技大学 基于多尺度的自然图像非局部均值去噪方法
CN102158637B (zh) * 2011-04-01 2012-12-05 西安电子科技大学 基于Surfacelet变换域的空间自适应阈值视频去噪方法
CN102196155B (zh) * 2011-04-01 2013-03-20 西安电子科技大学 基于Surfacelet变换的系数自适应收缩视频去噪方法
KR20130064483A (ko) * 2011-12-08 2013-06-18 삼성전자주식회사 의료 영상 처리 방법 및 장치
CN102547073B (zh) * 2012-01-02 2014-04-02 西安电子科技大学 基于表面波变换的自适应阈值视频去噪方法
JP5981768B2 (ja) 2012-05-15 2016-08-31 キヤノン株式会社 色処理装置およびその方法
US9910675B2 (en) 2013-08-08 2018-03-06 Linear Algebra Technologies Limited Apparatus, systems, and methods for low power computational imaging
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
CN103557856A (zh) * 2013-10-25 2014-02-05 哈尔滨工程大学 一种光纤陀螺随机漂移实时滤波方法
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
JP6901895B2 (ja) * 2017-03-31 2021-07-14 日本放送協会 帯域制限装置及びプログラム
US10949947B2 (en) 2017-12-29 2021-03-16 Intel Corporation Foveated image rendering for head-mounted display devices
JP7071216B2 (ja) * 2018-05-25 2022-05-18 日本放送協会 帯域制限装置及びプログラム

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5870602A (en) * 1987-11-03 1999-02-09 Compaq Computer Corporation Multi-processor system with system wide reset and partial system reset capabilities
US6400996B1 (en) * 1999-02-01 2002-06-04 Steven M. Hoffberg Adaptive pattern recognition based control system and method
US6850252B1 (en) * 1999-10-05 2005-02-01 Steven M. Hoffberg Intelligent electronic appliance system and method
JPH06222414A (ja) * 1993-01-22 1994-08-12 Canon Inc 防振システム
US5742355A (en) * 1993-12-02 1998-04-21 U.S. Philips Corporation Method and apparatus for reducing noise in a video signal
US5619998A (en) * 1994-09-23 1997-04-15 General Electric Company Enhanced method for reducing ultrasound speckle noise using wavelet transform
US5953439A (en) * 1994-11-04 1999-09-14 Ishihara; Ken Apparatus for and method of extracting time series image information
TW351898B (en) * 1995-12-05 1999-02-01 Advantest Corp Portrait processing method
DE69616031T2 (de) * 1995-12-21 2002-06-20 Koninklijke Philips Electronics N.V., Eindhoven Rauschreduzierung in einem bild
US5870502A (en) * 1996-04-08 1999-02-09 The Trustees Of Columbia University In The City Of New York System and method for a multiresolution transform of digital image information
SE508972C2 (sv) * 1996-08-28 1998-11-23 Ralip International Ab Förfarande för kvalitetssäkring vid scanning/kopiering av bilder/dokument samt anordning för genomförande av förfarandet
JP3042459B2 (ja) * 1997-08-25 2000-05-15 日本電気株式会社 映像表示装置
US6771833B1 (en) * 1999-08-20 2004-08-03 Eastman Kodak Company Method and system for enhancing digital images
US6741739B1 (en) * 2000-05-03 2004-05-25 Itt Manufacturing Enterprises Method and apparatus for improving signal to noise ratio using wavelet decomposition and frequency thresholding
US6498863B1 (en) * 2000-09-20 2002-12-24 Media Cybernetics Inc. Method, system, and product for analyzing a digitized image of an array to create an image of a grid overlay
JP4046969B2 (ja) * 2000-11-09 2008-02-13 キヤノン株式会社 画像処理装置、及びその方法、並びにプログラム、記憶媒体

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US7245776B2 (en) 2007-07-17
US20050036707A1 (en) 2005-02-17
JP2002216126A (ja) 2002-08-02
US6823090B2 (en) 2004-11-23
US20020054713A1 (en) 2002-05-09

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