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WO2009066603A1 - 画像処理装置、画像処理方法 - Google Patents

画像処理装置、画像処理方法 Download PDF

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Publication number
WO2009066603A1
WO2009066603A1 PCT/JP2008/070673 JP2008070673W WO2009066603A1 WO 2009066603 A1 WO2009066603 A1 WO 2009066603A1 JP 2008070673 W JP2008070673 W JP 2008070673W WO 2009066603 A1 WO2009066603 A1 WO 2009066603A1
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WO
WIPO (PCT)
Prior art keywords
pixels
predetermined area
image processing
dynamic vector
subject
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.)
Ceased
Application number
PCT/JP2008/070673
Other languages
English (en)
French (fr)
Inventor
Hiroshi Sasaki
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.)
Olympus Corp
Original Assignee
Olympus Corp
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 Olympus Corp filed Critical Olympus Corp
Priority to EP08852964A priority Critical patent/EP2216984A4/en
Priority to CN2008801173585A priority patent/CN101868966B/zh
Publication of WO2009066603A1 publication Critical patent/WO2009066603A1/ja
Priority to US12/782,828 priority patent/US8373777B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • G06T5/50—Image enhancement or restoration using two or more images, e.g. averaging or subtraction
    • 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
    • H04N5/144—Movement detection
    • H04N5/145—Movement estimation
    • 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
    • H04N5/213—Circuitry for suppressing or minimising impulsive noise
    • 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
    • G06T2207/20024—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
    • G06T2207/20182—Noise reduction or smoothing in the temporal domain; Spatio-temporal filtering

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Image Processing (AREA)

Abstract

　現フレーム内の対象画素を含む第１の所定領域と前フレームの対象画素と同一空間位置の画素を含む第２の所定領域とを抽出する領域抽出部（１０８）と、第１の所定領域内の一部または全部の画素と、第２の所定領域内の一部の画素と、に基づいて、前フレームに対する第１の所定領域の動きベクトルを算出する動きベクトル算出部（１０３）と、動きベクトルに基づいて第２の所定領域の複数画素に対するフィルタ係数を決定するフィルタ係数決定部（１０４）と、第２の所定領域の複数画素とフィルタ係数とに基づいて対象画素のノイズを低減するノイズ低減処理部（１０５）と、を備えた画像処理装置。
PCT/JP2008/070673 2007-11-21 2008-11-13 画像処理装置、画像処理方法 Ceased WO2009066603A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP08852964A EP2216984A4 (en) 2007-11-21 2008-11-13 IMAGE PROCESSING DEVICE AND IMAGE PROCESSING METHOD
CN2008801173585A CN101868966B (zh) 2007-11-21 2008-11-13 图像处理装置和图像处理方法
US12/782,828 US8373777B2 (en) 2007-11-21 2010-05-19 Image processing apparatus and image processing method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007302099A JP5052301B2 (ja) 2007-11-21 2007-11-21 画像処理装置、画像処理方法
JP2007-302099 2007-11-21

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/782,828 Continuation US8373777B2 (en) 2007-11-21 2010-05-19 Image processing apparatus and image processing method

Publications (1)

Publication Number Publication Date
WO2009066603A1 true WO2009066603A1 (ja) 2009-05-28

Family

ID=40667427

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/070673 Ceased WO2009066603A1 (ja) 2007-11-21 2008-11-13 画像処理装置、画像処理方法

Country Status (5)

Country Link
US (1) US8373777B2 (ja)
EP (1) EP2216984A4 (ja)
JP (1) JP5052301B2 (ja)
CN (1) CN101868966B (ja)
WO (1) WO2009066603A1 (ja)

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JP2010278995A (ja) * 2009-06-01 2010-12-09 Canon Inc 画像処理装置、画像処理方法、プログラム及び記憶媒体
CN102316247A (zh) * 2010-06-29 2012-01-11 奥林巴斯株式会社 图像处理装置

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JP5289288B2 (ja) * 2009-11-27 2013-09-11 三菱電機株式会社 ノイズ除去装置及びノイズ除去方法
JP5558431B2 (ja) * 2011-08-15 2014-07-23 株式会社東芝 画像処理装置、方法及びプログラム
JP2013055381A (ja) * 2011-08-31 2013-03-21 Ricoh Co Ltd 撮像装置及び撮像方法並びに携帯情報端末装置
JP5816511B2 (ja) * 2011-10-04 2015-11-18 オリンパス株式会社 画像処理装置、内視鏡装置及び画像処理装置の作動方法
TW201318418A (zh) * 2011-10-26 2013-05-01 Novatek Microelectronics Corp 降低影像雜訊的方法及相關裝置
JP6135526B2 (ja) * 2014-01-30 2017-05-31 株式会社リガク 画像処理方法および画像処理装置
JP2015177270A (ja) * 2014-03-13 2015-10-05 株式会社東芝 視差画像生成装置
JP6415066B2 (ja) * 2014-03-20 2018-10-31 キヤノン株式会社 情報処理装置、情報処理方法、位置姿勢推定装置、ロボットシステム
JP6286291B2 (ja) * 2014-06-19 2018-02-28 株式会社Ｓｃｒｅｅｎホールディングス 画像処理装置、画像取得装置、画像処理方法および画像取得方法
JP6336341B2 (ja) * 2014-06-24 2018-06-06 キヤノン株式会社 撮像装置及びその制御方法、プログラム、記憶媒体
TWI536319B (zh) * 2014-06-24 2016-06-01 瑞昱半導體股份有限公司 去雜訊方法以及影像系統
US9836831B1 (en) * 2014-07-30 2017-12-05 Google Inc. Simulating long-exposure images
US10009544B2 (en) * 2014-09-02 2018-06-26 Canon Kabushiki Kaisha Image capturing apparatus, control method of the same and image sensor
US9906749B2 (en) 2014-09-02 2018-02-27 Canon Kabushiki Kaisha Image capturing apparatus capable of generating and adding pixel region information to image data, method of controlling the same, and image sensor
JP6841097B2 (ja) 2017-03-09 2021-03-10 富士通株式会社 動き量算出プログラム、動き量算出方法、動き量算出装置及び業務支援システム
US10728548B2 (en) * 2017-04-04 2020-07-28 Futurewei Technologies, Inc. Processing reference samples used for intra-prediction of a picture block
CN109462728B (zh) * 2017-09-06 2020-01-14 浙江宇视科技有限公司 码率控制方法、装置、图像采集设备及可读存储介质
KR102467240B1 (ko) * 2018-02-05 2022-11-15 한화테크윈 주식회사 영상의 잡음 제거 장치 및 방법
EP3570248A1 (en) * 2018-05-14 2019-11-20 InterDigital CE Patent Holdings Method and apparatus for processing a video content based on confidence-aware guided video filtering and corresponding computer readable program product and computer readable storage medium
US10755387B2 (en) * 2018-08-09 2020-08-25 Dreamworks Animation Llc Firefly detection using a plurality of buffers
JP7544033B2 (ja) * 2019-03-29 2024-09-03 ソニーグループ株式会社 医療システム、情報処理装置及び情報処理方法
TWI703864B (zh) * 2019-07-04 2020-09-01 瑞昱半導體股份有限公司 基於雜訊比的去雜訊方法
JP7671369B2 (ja) * 2021-12-29 2025-05-01 シャープディスプレイテクノロジー株式会社 表示装置

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JPH02184176A (ja) 1989-01-10 1990-07-18 Nec Corp ノイズリダクション回路
JPH0662283A (ja) 1992-08-07 1994-03-04 Sharp Corp ビデオ信号のノイズ低減システム
JPH06350879A (ja) 1993-06-02 1994-12-22 Hitachi Ltd ノイズ除去装置
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JPH0662283A (ja) 1992-08-07 1994-03-04 Sharp Corp ビデオ信号のノイズ低減システム
JPH06350879A (ja) 1993-06-02 1994-12-22 Hitachi Ltd ノイズ除去装置
JPH1013718A (ja) * 1996-06-18 1998-01-16 Oki Electric Ind Co Ltd ノイズ除去回路
JP2001136416A (ja) * 1999-08-20 2001-05-18 Sony Corp 信号処理装置及び方法
JP2007243627A (ja) * 2006-03-09 2007-09-20 Shibasoku:Kk ビデオ信号処理装置
JP2006222982A (ja) * 2006-03-20 2006-08-24 Toshiba Corp 動画像信号処理装置
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See also references of EP2216984A4

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010278995A (ja) * 2009-06-01 2010-12-09 Canon Inc 画像処理装置、画像処理方法、プログラム及び記憶媒体
US8913876B2 (en) 2009-06-01 2014-12-16 Canon Kabushiki Kaisha Image processing apparatus, image processing method, and storage medium
CN102316247A (zh) * 2010-06-29 2012-01-11 奥林巴斯株式会社 图像处理装置
CN102316247B (zh) * 2010-06-29 2016-08-17 奥林巴斯株式会社 图像处理装置

Also Published As

Publication number Publication date
JP5052301B2 (ja) 2012-10-17
CN101868966B (zh) 2013-04-10
JP2009130537A (ja) 2009-06-11
US20100225790A1 (en) 2010-09-09
CN101868966A (zh) 2010-10-20
EP2216984A4 (en) 2011-04-06
US8373777B2 (en) 2013-02-12
EP2216984A1 (en) 2010-08-11

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