+

WO2009050841A1 - 合焦測定装置、合焦測定方法およびプログラム - Google Patents

合焦測定装置、合焦測定方法およびプログラム Download PDF

Info

Publication number
WO2009050841A1
WO2009050841A1 PCT/JP2008/002298 JP2008002298W WO2009050841A1 WO 2009050841 A1 WO2009050841 A1 WO 2009050841A1 JP 2008002298 W JP2008002298 W JP 2008002298W WO 2009050841 A1 WO2009050841 A1 WO 2009050841A1
Authority
WO
WIPO (PCT)
Prior art keywords
images
focusing
focusing measurement
section
program
Prior art date
Application number
PCT/JP2008/002298
Other languages
English (en)
French (fr)
Inventor
Tsukasa Murata
Original Assignee
Nikon Corporation
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
Priority claimed from JP2007270197A external-priority patent/JP5115138B2/ja
Priority claimed from JP2007270196A external-priority patent/JP5003406B2/ja
Application filed by Nikon Corporation filed Critical Nikon Corporation
Priority to US12/669,934 priority Critical patent/US8558942B2/en
Publication of WO2009050841A1 publication Critical patent/WO2009050841A1/ja

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28—Systems for automatic generation of focusing signals
    • G02B7/36—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals
    • G02B7/38—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals measured at different points on the optical axis, e.g. focussing on two or more planes and comparing image data
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/32—Means for focusing
    • G03B13/34—Power focusing
    • G03B13/36—Autofocus systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/67—Focus control based on electronic image sensor signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2101/00—Still video cameras
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/63—Control of cameras or camera modules by using electronic viewfinders
    • H04N23/633—Control of cameras or camera modules by using electronic viewfinders for displaying additional information relating to control or operation of the camera

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Optics & Photonics (AREA)
  • Automatic Focus Adjustment (AREA)
  • Studio Devices (AREA)
  • Measurement Of Optical Distance (AREA)

Abstract

　本発明の合焦測定装置は、撮像した画像を取得する画像入力部と、画像に対して周波数特性の異なる一対のフィルタをそれぞれ用いてボケ画像を生成するフィルタ部と、画像の特定の箇所において、画像と各々のボケ画像とから第１の特徴量と第２の特徴量とをそれぞれ抽出する抽出部と、第１の特徴量と第２の特徴量とからピントの合っている度合いを示す合焦量を算出して画像の特定の箇所における合焦レベルを測定する合焦測定部とを備える。
PCT/JP2008/002298 2007-10-17 2008-08-25 合焦測定装置、合焦測定方法およびプログラム WO2009050841A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US12/669,934 US8558942B2 (en) 2007-10-17 2008-08-25 Focusing measurement device, focusing measurement method, and program

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007270197A JP5115138B2 (ja) 2007-10-17 2007-10-17 合焦測定装置、合焦測定方法およびプログラム
JP2007-270196 2007-10-17
JP2007-270197 2007-10-17
JP2007270196A JP5003406B2 (ja) 2007-10-17 2007-10-17 合焦測定装置、合焦測定方法およびプログラム

Publications (1)

Publication Number Publication Date
WO2009050841A1 true WO2009050841A1 (ja) 2009-04-23

Family

ID=40567132

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/002298 WO2009050841A1 (ja) 2007-10-17 2008-08-25 合焦測定装置、合焦測定方法およびプログラム

Country Status (2)

Country Link
US (1) US8558942B2 (ja)
WO (1) WO2009050841A1 (ja)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8983176B2 (en) 2013-01-02 2015-03-17 International Business Machines Corporation Image selection and masking using imported depth information
JP6102602B2 (ja) 2013-07-23 2017-03-29 ソニー株式会社 画像処理装置、画像処理方法、画像処理プログラムおよび撮像装置
US9183620B2 (en) 2013-11-21 2015-11-10 International Business Machines Corporation Automated tilt and shift optimization
US9449234B2 (en) 2014-03-31 2016-09-20 International Business Machines Corporation Displaying relative motion of objects in an image
US9196027B2 (en) 2014-03-31 2015-11-24 International Business Machines Corporation Automatic focus stacking of captured images
US9300857B2 (en) 2014-04-09 2016-03-29 International Business Machines Corporation Real-time sharpening of raw digital images
CN106686313B (zh) * 2017-01-18 2020-03-27 Oppo广东移动通信有限公司 控制方法、控制装置和电子装置
US11206355B2 (en) * 2017-09-08 2021-12-21 Sony Group Corporation Image processing apparatus, image processing method, and image processing program
CN117041531B (zh) * 2023-09-04 2024-03-15 无锡维凯科技有限公司 一种基于图像质量评估的手机摄像头聚焦检测方法和系统

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05207352A (ja) * 1992-01-24 1993-08-13 Olympus Optical Co Ltd 合焦点検出装置
JP2001331806A (ja) * 2000-05-22 2001-11-30 Nec Corp 画像処理方式
JP2001352440A (ja) * 2000-06-07 2001-12-21 Olympus Optical Co Ltd 画像処理装置
JP2006135523A (ja) * 2004-11-04 2006-05-25 Toshiba Corp 画像状態判定装置、画像状態判定方法及び画像状態判定用プログラム
JP2007088913A (ja) * 2005-09-22 2007-04-05 Konica Minolta Holdings Inc 撮像装置
JP2007128009A (ja) * 2005-11-07 2007-05-24 Research Organization Of Information & Systems 焦点ぼけ構造を用いたイメージング装置及びイメージング方法
JP2007181184A (ja) * 2005-12-02 2007-07-12 Sony Corp 撮像装置および撮像方法、並びに撮像装置の設計方法
JP2008039611A (ja) * 2006-08-07 2008-02-21 Canon Inc 位置姿勢計測装置及び位置姿勢計測方法、複合現実感提示システム、コンピュータプログラム及び記憶媒体

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6654061B2 (en) * 1995-06-14 2003-11-25 Canon Kabushiki Kaisha Automatic focus adjusting apparatus and method utilized by an image sensing apparatus
JPH09322057A (ja) * 1996-05-28 1997-12-12 Canon Inc 撮像装置
JP3840725B2 (ja) 1997-01-30 2006-11-01 ソニー株式会社 ビデオカメラのオートフォーカス装置
JPH10221594A (ja) 1997-02-05 1998-08-21 Sony Corp オートフォーカス装置
JP3530907B2 (ja) * 2002-01-31 2004-05-24 ミノルタ株式会社 デジタルカメラ
JP4647885B2 (ja) * 2003-02-17 2011-03-09 株式会社ニコン カメラ
WO2006082967A1 (ja) * 2005-02-07 2006-08-10 Matsushita Electric Industrial Co., Ltd. 撮像装置
US7443590B2 (en) * 2005-12-02 2008-10-28 Sony Corporation Imaging apparatus and method, and method for designing imaging apparatus
JP4943769B2 (ja) * 2006-08-15 2012-05-30 富士フイルム株式会社 撮影装置および合焦位置探索方法
US7911513B2 (en) * 2007-04-20 2011-03-22 General Instrument Corporation Simulating short depth of field to maximize privacy in videotelephony
JP5006727B2 (ja) * 2007-07-26 2012-08-22 株式会社リコー 画像処理装置およびデジタルカメラ

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05207352A (ja) * 1992-01-24 1993-08-13 Olympus Optical Co Ltd 合焦点検出装置
JP2001331806A (ja) * 2000-05-22 2001-11-30 Nec Corp 画像処理方式
JP2001352440A (ja) * 2000-06-07 2001-12-21 Olympus Optical Co Ltd 画像処理装置
JP2006135523A (ja) * 2004-11-04 2006-05-25 Toshiba Corp 画像状態判定装置、画像状態判定方法及び画像状態判定用プログラム
JP2007088913A (ja) * 2005-09-22 2007-04-05 Konica Minolta Holdings Inc 撮像装置
JP2007128009A (ja) * 2005-11-07 2007-05-24 Research Organization Of Information & Systems 焦点ぼけ構造を用いたイメージング装置及びイメージング方法
JP2007181184A (ja) * 2005-12-02 2007-07-12 Sony Corp 撮像装置および撮像方法、並びに撮像装置の設計方法
JP2008039611A (ja) * 2006-08-07 2008-02-21 Canon Inc 位置姿勢計測装置及び位置姿勢計測方法、複合現実感提示システム、コンピュータプログラム及び記憶媒体

Also Published As

Publication number Publication date
US20100182495A1 (en) 2010-07-22
US8558942B2 (en) 2013-10-15

Similar Documents

Publication Publication Date Title
WO2009050841A1 (ja) 合焦測定装置、合焦測定方法およびプログラム
EP2574034A3 (en) Image processing apparatus and method
TW200720637A (en) Physical information acquisition method, physical information acquiring apparatus, and semiconductor apparatus
EP2525562A3 (en) Image processing apparatus, image processing method, program and imaging apparatus
WO2008115405A3 (en) A method of image quality assessment to procuce standardized imaging data
WO2009131350A3 (en) Selecting best image
JP2009267787A5 (ja)
WO2007120559A3 (en) Adjustable neutral density filter system for dynamic range compression from scene to imaging sensor
EP2249556A3 (en) Image processing method and apparatus
WO2009091318A8 (en) Method and apparatus for analysis of particles in a liquid sample
WO2008008152A3 (en) Method and apparatus for increasing depth of field of an imager
EP2642429A3 (en) Multi-lens camera system and range-finding method executed by the multi-lens camera system
JP2013125095A5 (ja)
EP2491854A3 (en) Image processing device, imaging system, image processing method, and program for causing computer to perform image processing
EP2804370A3 (en) Image pickup apparatus and image processing apparatus
WO2009019848A1 (ja) 撮影装置、撮影方法、およびプログラム
EP2605186A3 (en) Method and apparatus for recognizing a character based on a photographed image
EP2733642A3 (en) Biometric information correction apparatus, biometric information correction method and a computer-readable recording medium for biometric information correction
EP1705901A3 (en) Image processing apparatus and method, recording medium, and program
JP2010161744A5 (ja)
EP2083566A3 (en) Image capturing apparatus, image processing apparatus and method, and program therefor
EP2085817A3 (en) Apparatus, method system, and program for image processing
EP2723064A3 (en) Image capture apparatus and control method therefor
GB2489871A (en) Depth from defocus calibration
EP2418606A3 (en) Apparatus and method for recognizing objects using filter information

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 08790502

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 12669934

Country of ref document: US

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 08790502

Country of ref document: EP

Kind code of ref document: A1

点击 这是indexloc提供的php浏览器服务，不要输入任何密码和下载