CN1983010A - 自动聚焦方法以及使用该方法的数字图像处理设备 - Google Patents
自动聚焦方法以及使用该方法的数字图像处理设备 Download PDFInfo
- Publication number
- CN1983010A CN1983010A CNA200610091743XA CN200610091743A CN1983010A CN 1983010 A CN1983010 A CN 1983010A CN A200610091743X A CNA200610091743X A CN A200610091743XA CN 200610091743 A CN200610091743 A CN 200610091743A CN 1983010 A CN1983010 A CN 1983010A
- Authority
- CN
- China
- Prior art keywords
- noise grade
- illumination
- focus value
- value
- lens
- 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.)
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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
-
- 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
Abstract
Description
Claims (20)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2005-0121904 | 2005-12-12 | ||
KR1020050121904A KR101156681B1 (ko) | 2005-12-12 | 2005-12-12 | 디지털 영상 처리 장치에서 가변적인 노이즈 레벨을사용하는 자동 포커싱 방법 |
KR1020050121904 | 2005-12-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1983010A true CN1983010A (zh) | 2007-06-20 |
CN1983010B CN1983010B (zh) | 2012-05-30 |
Family
ID=38138878
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200610091743XA Expired - Fee Related CN1983010B (zh) | 2005-12-12 | 2006-06-12 | 自动聚焦方法以及使用该方法的数字图像处理设备 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7639302B2 (zh) |
KR (1) | KR101156681B1 (zh) |
CN (1) | CN1983010B (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102062929A (zh) * | 2010-11-27 | 2011-05-18 | 长春迪瑞医疗科技股份有限公司 | 一种显微镜系统的自动聚焦方法和装置 |
CN105074528A (zh) * | 2013-03-29 | 2015-11-18 | 富士胶片株式会社 | 摄像装置及对焦控制方法 |
CN109478225A (zh) * | 2016-08-09 | 2019-03-15 | 株式会社明日星 | 读取装置、程序以及单元 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090018895A1 (en) * | 2007-03-12 | 2009-01-15 | Lee S. Weinblatt | Technique for correlating purchasing behavior of a consumer to advertisements |
TWM347770U (en) * | 2008-07-25 | 2008-12-21 | Ipevo Corp | Web camera |
US20110211107A1 (en) * | 2010-03-01 | 2011-09-01 | Digital Imaging Systems Gmbh | Method to perform sobel calculations and normalization for auto-focus in a digital camera |
JP6000520B2 (ja) * | 2011-07-25 | 2016-09-28 | キヤノン株式会社 | 撮像装置およびその制御方法およびプログラム |
JP5325966B2 (ja) * | 2011-11-25 | 2013-10-23 | オリンパス株式会社 | 撮像装置及び撮像方法 |
JP2015129846A (ja) * | 2014-01-07 | 2015-07-16 | キヤノン株式会社 | 撮像装置およびその制御方法 |
JP6381266B2 (ja) * | 2014-04-15 | 2018-08-29 | キヤノン株式会社 | 撮像装置、制御装置、制御方法、プログラム、および、記憶媒体 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08265632A (ja) * | 1995-03-27 | 1996-10-11 | Canon Inc | 自動焦点調節装置 |
JP2001128056A (ja) | 1999-08-18 | 2001-05-11 | Olympus Optical Co Ltd | カメラ |
JP2002287013A (ja) | 2001-03-28 | 2002-10-03 | Casio Comput Co Ltd | 自動焦点装置及び合焦方法、プログラム |
JP2002296493A (ja) * | 2001-03-30 | 2002-10-09 | Fuji Photo Optical Co Ltd | ピント状態検出装置 |
US6580062B2 (en) * | 2001-05-29 | 2003-06-17 | Hewlett-Packard Development Company, L.P. | Contrast focus figure-of-merit method that is insensitive to scene illumination level |
KR100468871B1 (ko) * | 2002-10-09 | 2005-01-29 | 삼성테크윈 주식회사 | 이차 함수를 이용한 카메라의 자동 포커싱 방법 |
JP2005091456A (ja) | 2003-09-12 | 2005-04-07 | Fuji Photo Film Co Ltd | デジタルカメラ |
JP4200890B2 (ja) * | 2003-12-10 | 2008-12-24 | 株式会社日立製作所 | 映像信号処理装置及びそれを用いたテレビジョン受信機並びに映像信号処理方法 |
KR100604312B1 (ko) * | 2004-04-29 | 2006-07-24 | 삼성테크윈 주식회사 | 디지털 촬영 장치의 제어 방법 및 이 방법을 사용한디지털 촬영 장치 |
US7016604B2 (en) * | 2004-06-12 | 2006-03-21 | Hewlett-Packard Development Company, L.P. | Autofocus using a holographic aperture element |
-
2005
- 2005-12-12 KR KR1020050121904A patent/KR101156681B1/ko active IP Right Grant
-
2006
- 2006-04-11 US US11/403,182 patent/US7639302B2/en not_active Expired - Fee Related
- 2006-06-12 CN CN200610091743XA patent/CN1983010B/zh not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102062929A (zh) * | 2010-11-27 | 2011-05-18 | 长春迪瑞医疗科技股份有限公司 | 一种显微镜系统的自动聚焦方法和装置 |
CN102062929B (zh) * | 2010-11-27 | 2012-06-20 | 长春迪瑞医疗科技股份有限公司 | 一种显微镜系统的自动聚焦方法和装置 |
CN105074528A (zh) * | 2013-03-29 | 2015-11-18 | 富士胶片株式会社 | 摄像装置及对焦控制方法 |
CN105074528B (zh) * | 2013-03-29 | 2017-07-18 | 富士胶片株式会社 | 摄像装置及对焦控制方法 |
CN109478225A (zh) * | 2016-08-09 | 2019-03-15 | 株式会社明日星 | 读取装置、程序以及单元 |
Also Published As
Publication number | Publication date |
---|---|
CN1983010B (zh) | 2012-05-30 |
US20070132877A1 (en) | 2007-06-14 |
US7639302B2 (en) | 2009-12-29 |
KR101156681B1 (ko) | 2012-06-14 |
KR20070062151A (ko) | 2007-06-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: SAMSUNG DIGITALAL IMAGE CO., LTD. Free format text: FORMER OWNER: SAMSUNG TECHWIN CO., LTD. Effective date: 20090814 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20090814 Address after: Gyeonggi Do, South Korea Applicant after: Samsung Electronics Co., Ltd. Address before: Gyeongnam, South Korea Applicant before: Samsung TECHWIN Co., Ltd. |
|
ASS | Succession or assignment of patent right |
Owner name: SAMSUNG ELECTRONICS CO., LTD. Free format text: FORMER OWNER: SAMSUNG TECHWIN CO., LTD. Effective date: 20101123 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20101123 Address after: Gyeonggi Do, South Korea Applicant after: Samsung Electronics Co., Ltd. Address before: Gyeonggi Do, South Korea Applicant before: Samsung Electronics Co., Ltd. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20200612 |
|
CF01 | Termination of patent right due to non-payment of annual fee |