KR100991551B1 - 촬상 장치에 있어서의 초점 조정 방법 - Google Patents

촬상 장치에 있어서의 초점 조정 방법 Download PDF

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Publication number
KR100991551B1
KR100991551B1 KR1020097021810A KR20097021810A KR100991551B1 KR 100991551 B1 KR100991551 B1 KR 100991551B1 KR 1020097021810 A KR1020097021810 A KR 1020097021810A KR 20097021810 A KR20097021810 A KR 20097021810A KR 100991551 B1 KR100991551 B1 KR 100991551B1
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KR
South Korea
Prior art keywords
imaging
test chart
focus
image
scanning direction
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KR1020097021810A
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English (en)
Korean (ko)
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KR20090125184A (ko
Inventor
다카시 마스다
시아오홍 리우
Original Assignee
어큐트로직 가부시키가이샤
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Publication of KR20090125184A publication Critical patent/KR20090125184A/ko
Application granted granted Critical
Publication of KR100991551B1 publication Critical patent/KR100991551B1/ko

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    • 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
    • G02B7/365—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals by analysis of the spatial frequency components of the image
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N17/00—Diagnosis, testing or measuring for television systems or their details
    • H04N17/002—Diagnosis, testing or measuring for television systems or their details for television cameras
    • 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

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Automatic Focus Adjustment (AREA)
  • Studio Devices (AREA)
  • Focusing (AREA)
KR1020097021810A 2007-03-20 2008-03-19 촬상 장치에 있어서의 초점 조정 방법 KR100991551B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JPJP-P-2007-072242 2007-03-20
JP2007072242A JP4549362B2 (ja) 2007-03-20 2007-03-20 撮像装置における焦点調整方法

Publications (2)

Publication Number Publication Date
KR20090125184A KR20090125184A (ko) 2009-12-03
KR100991551B1 true KR100991551B1 (ko) 2010-11-04

Family

ID=39765987

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020097021810A KR100991551B1 (ko) 2007-03-20 2008-03-19 촬상 장치에 있어서의 초점 조정 방법

Country Status (5)

Country Link
JP (1) JP4549362B2 (ja)
KR (1) KR100991551B1 (ja)
CN (1) CN101271245B (ja)
TW (1) TW200839342A (ja)
WO (1) WO2008114888A1 (ja)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8773652B2 (en) * 2009-08-11 2014-07-08 Ether Precision, Inc. Method and device for aligning a lens with an optical system
KR101113129B1 (ko) * 2010-10-25 2012-02-15 삼성전기주식회사 카메라모듈 및 촬상장치의 포커싱 방법
JP5780756B2 (ja) 2010-12-24 2015-09-16 キヤノン株式会社 焦点調節装置及び方法
JP5781351B2 (ja) * 2011-03-30 2015-09-24 日本アビオニクス株式会社 撮像装置、その画素出力レベル補正方法、赤外線カメラシステム及び交換可能なレンズシステム
JP2012256795A (ja) * 2011-06-10 2012-12-27 Disco Abrasive Syst Ltd 加工装置
CN103149789B (zh) * 2013-02-28 2015-08-26 宁波舜宇光电信息有限公司 基于图像mtf评价模组马达曲线的测试方法
JP6196148B2 (ja) * 2013-12-24 2017-09-13 エルジー ディスプレイ カンパニー リミテッド デフォーカス制御装置およびデフォーカス制御方法
CN104297896B (zh) * 2014-09-01 2018-07-06 联想(北京)有限公司 一种对焦方法及电子设备
CN104280995B (zh) * 2014-09-19 2017-04-19 北京空间机电研究所 一种相机焦面电荷耦合器件快速成像方法
CN104811692B (zh) * 2015-04-09 2017-09-29 南昌欧菲光电技术有限公司 用于测试摄像模组的方法
CN107783250A (zh) * 2016-08-26 2018-03-09 昆山丘钛微电子科技有限公司 带自动对焦功能的摄像设备快速对焦方法
CN107995386B (zh) * 2016-10-26 2021-01-26 光宝电子(广州)有限公司 相机模块
CN110290313B (zh) * 2019-06-05 2020-09-15 河南大学 一种引导自动对焦设备失焦的方法
JP2023165051A (ja) * 2020-10-05 2023-11-15 Ｃｃｔｅｃｈ Ｊａｐａｎ株式会社 テストチャート、カメラ製造装置、カメラの製造方法および焦点検出プログラム
CN112822483B (zh) * 2021-01-08 2022-10-14 重庆创通联智物联网有限公司 自动对焦测试方法、装置、采样设备及系统

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2678457B2 (ja) * 1988-03-16 1997-11-17 旭光学工業株式会社 合焦位置検出方法
JPH0949965A (ja) * 1995-08-08 1997-02-18 Nikon Corp 焦点位置検出装置
JPH1198315A (ja) * 1997-09-18 1999-04-09 Fuji Photo Film Co Ltd 画像読取装置
JP4438428B2 (ja) * 2004-01-26 2010-03-24 ソニー株式会社 ビデオカメラ、合焦点位置探索方法、カメラ本体部及び交換式レンズ部
JP4599116B2 (ja) * 2004-08-26 2010-12-15 富士フイルム株式会社 オートフォーカスシステム

Also Published As

Publication number Publication date
JP2008233481A (ja) 2008-10-02
CN101271245A (zh) 2008-09-24
WO2008114888A1 (ja) 2008-09-25
CN101271245B (zh) 2011-01-12
JP4549362B2 (ja) 2010-09-22
KR20090125184A (ko) 2009-12-03
TW200839342A (en) 2008-10-01

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