KR20060087401A - 포커스 제어 장치, 포커스 제어 방법 - Google Patents
포커스 제어 장치, 포커스 제어 방법 Download PDFInfo
- Publication number
- KR20060087401A KR20060087401A KR1020050130428A KR20050130428A KR20060087401A KR 20060087401 A KR20060087401 A KR 20060087401A KR 1020050130428 A KR1020050130428 A KR 1020050130428A KR 20050130428 A KR20050130428 A KR 20050130428A KR 20060087401 A KR20060087401 A KR 20060087401A
- Authority
- KR
- South Korea
- Prior art keywords
- focus
- evaluation value
- lens
- state
- change
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 52
- 238000011156 evaluation Methods 0.000 claims abstract description 106
- 230000008859 change Effects 0.000 claims description 47
- 238000001514 detection method Methods 0.000 claims description 39
- 230000007246 mechanism Effects 0.000 claims description 26
- 230000006866 deterioration Effects 0.000 abstract description 4
- 238000012545 processing Methods 0.000 description 19
- 238000003384 imaging method Methods 0.000 description 18
- 230000008569 process Effects 0.000 description 12
- 230000009194 climbing Effects 0.000 description 10
- 230000004044 response Effects 0.000 description 6
- 230000007423 decrease Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Images
Classifications
-
- 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
- H04N23/673—Focus control based on electronic image sensor signals based on contrast or high frequency components of image signals, e.g. hill climbing method
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Automatic Focus Adjustment (AREA)
- Studio Devices (AREA)
- Focusing (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005021852A JP2006208818A (ja) | 2005-01-28 | 2005-01-28 | フォーカス制御装置、フォーカス制御方法 |
| JPJP-P-2005-00021852 | 2005-01-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20060087401A true KR20060087401A (ko) | 2006-08-02 |
Family
ID=36370869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020050130428A Ceased KR20060087401A (ko) | 2005-01-28 | 2005-12-27 | 포커스 제어 장치, 포커스 제어 방법 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US7463302B2 (enExample) |
| EP (1) | EP1686791A3 (enExample) |
| JP (1) | JP2006208818A (enExample) |
| KR (1) | KR20060087401A (enExample) |
| CN (1) | CN100426033C (enExample) |
| TW (1) | TW200627046A (enExample) |
Families Citing this family (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1849540A (zh) * | 2003-09-10 | 2006-10-18 | 夏普株式会社 | 摄影透镜位置控制装置 |
| JP2007065290A (ja) * | 2005-08-31 | 2007-03-15 | Nikon Corp | オートフォーカス装置 |
| JP2008046181A (ja) * | 2006-08-11 | 2008-02-28 | Sony Corp | フォーカス制御装置、フォーカス制御方法、撮像装置、及びプログラム |
| JP4989977B2 (ja) * | 2007-01-05 | 2012-08-01 | 株式会社エルモ社 | 焦点調整装置、撮影装置および焦点調整方法 |
| US7755697B2 (en) * | 2007-03-28 | 2010-07-13 | Logitech Europe S.A. | Webcam with moveable zoom lens |
| US8274596B2 (en) * | 2008-04-30 | 2012-09-25 | Motorola Mobility Llc | Method and apparatus for motion detection in auto-focus applications |
| JP5527955B2 (ja) * | 2008-09-09 | 2014-06-25 | キヤノン株式会社 | 撮像装置及びその制御方法、並びにプログラム及び記憶媒体 |
| JP5524509B2 (ja) * | 2009-05-11 | 2014-06-18 | パナソニック株式会社 | カメラ、携帯端末装置及びレンズの位置制御方法 |
| US8792045B2 (en) * | 2009-10-01 | 2014-07-29 | Pelco, Inc. | Video surveillance camera refocus |
| CN102053458B (zh) * | 2009-10-30 | 2012-11-07 | 宏达国际电子股份有限公司 | 图像捕获方法与便携式通讯装置 |
| US9091903B2 (en) | 2010-07-29 | 2015-07-28 | Logitech Europe S.A. | Optimized movable IR filter in cameras |
| US8570405B2 (en) * | 2010-08-11 | 2013-10-29 | Inview Technology Corporation | Determining light level variation in compressive imaging by injecting calibration patterns into pattern sequence |
| US8908083B2 (en) * | 2011-09-28 | 2014-12-09 | Apple Inc. | Dynamic autofocus operations |
| TWI459070B (zh) * | 2012-03-07 | 2014-11-01 | Altek Corp | 雙馬達鏡頭致動裝置及其雙馬達鏡頭致動方法 |
| CN103309007A (zh) * | 2012-03-07 | 2013-09-18 | 华晶科技股份有限公司 | 双马达镜头致动装置及其双马达镜头致动方法 |
| US9554042B2 (en) | 2012-09-24 | 2017-01-24 | Google Technology Holdings LLC | Preventing motion artifacts by intelligently disabling video stabilization |
| US8941743B2 (en) | 2012-09-24 | 2015-01-27 | Google Technology Holdings LLC | Preventing motion artifacts by intelligently disabling video stabilization |
| US20160266347A1 (en) * | 2013-12-03 | 2016-09-15 | Sony Corporation | Imaging apparatus and method, and program |
| JP6249769B2 (ja) | 2013-12-27 | 2017-12-20 | オリンパス株式会社 | 内視鏡装置、内視鏡装置の作動方法及びプログラム |
| JP6302679B2 (ja) * | 2014-01-20 | 2018-03-28 | 株式会社 日立産業制御ソリューションズ | 撮像装置、撮像方法、フォーカス制御装置 |
| JP6453543B2 (ja) | 2014-01-22 | 2019-01-16 | オリンパス株式会社 | 内視鏡装置及び内視鏡装置の作動方法 |
| JP6234261B2 (ja) * | 2014-02-10 | 2017-11-22 | オリンパス株式会社 | 焦点調節装置および制御方法 |
| CN103808748B (zh) * | 2014-03-10 | 2017-05-17 | 江苏天瑞仪器股份有限公司 | 一种用于测试光路与成像光路同轴的光路系统 |
| JP6415350B2 (ja) * | 2015-02-24 | 2018-10-31 | キヤノン株式会社 | 撮像装置およびその制御方法 |
| TWI561908B (en) * | 2015-03-27 | 2016-12-11 | Vivotek Inc | Auto focus method and apparatus using the same method |
| US9703175B2 (en) * | 2015-07-02 | 2017-07-11 | Qualcomm Incorporated | Systems and methods for autofocus trigger |
| WO2017072860A1 (ja) * | 2015-10-27 | 2017-05-04 | オリンパス株式会社 | 撮像装置、内視鏡装置及び撮像装置の作動方法 |
| CN106338807B (zh) * | 2016-11-04 | 2019-10-25 | Oppo广东移动通信有限公司 | 一种自动对焦方法、装置及终端 |
| JP2020020991A (ja) * | 2018-08-02 | 2020-02-06 | エスゼット ディージェイアイ テクノロジー カンパニー リミテッドSz Dji Technology Co.,Ltd | 制御装置、方法およびプログラム |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4335942A (en) * | 1979-10-26 | 1982-06-22 | Canon Kabushiki Kaisha | Camera provided with automatic focus detector |
| JPS63172239A (ja) | 1987-01-12 | 1988-07-15 | Canon Inc | オートフオーカス装置 |
| JPH0644806B2 (ja) | 1987-02-18 | 1994-06-08 | 三洋電機株式会社 | オ−トフオ−カス回路 |
| US5223886A (en) * | 1987-11-26 | 1993-06-29 | Minolta Camera Kabushiki Kaisha | AF camera system |
| US4992817A (en) * | 1988-08-06 | 1991-02-12 | Canon Kabushiki Kaisha | Focus detecting device switching between passive and active detection |
| JP2966458B2 (ja) | 1990-01-26 | 1999-10-25 | 株式会社日立製作所 | 自動合焦装置 |
| EP0605240B1 (en) * | 1992-12-28 | 2002-05-02 | Canon Kabushiki Kaisha | One-chip integrated circuit for use in a cotrolling focusing means |
| US6222588B1 (en) | 1993-05-28 | 2001-04-24 | Canon Kabushiki Kaisha | Automatic focus adjusting device with driving direction control |
| JP2003005018A (ja) * | 2001-06-20 | 2003-01-08 | Nikon Corp | 焦点検出装置 |
| JP2003107327A (ja) * | 2001-09-28 | 2003-04-09 | Nikon Corp | カメラ |
| JP3728241B2 (ja) * | 2001-12-20 | 2005-12-21 | キヤノン株式会社 | 焦点調節装置、撮像装置、合焦方法、プログラム、及び記憶媒体 |
| JP4543602B2 (ja) * | 2002-04-17 | 2010-09-15 | 株式会社ニコン | カメラ |
-
2005
- 2005-01-28 JP JP2005021852A patent/JP2006208818A/ja active Pending
- 2005-12-14 TW TW094144344A patent/TW200627046A/zh not_active IP Right Cessation
- 2005-12-23 EP EP05258067A patent/EP1686791A3/en not_active Withdrawn
- 2005-12-27 KR KR1020050130428A patent/KR20060087401A/ko not_active Ceased
-
2006
- 2006-01-25 US US11/339,212 patent/US7463302B2/en active Active
- 2006-01-26 CN CNB2006100071801A patent/CN100426033C/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP1686791A2 (en) | 2006-08-02 |
| CN1811511A (zh) | 2006-08-02 |
| JP2006208818A (ja) | 2006-08-10 |
| TWI303741B (enExample) | 2008-12-01 |
| US7463302B2 (en) | 2008-12-09 |
| EP1686791A3 (en) | 2011-09-28 |
| US20060192886A1 (en) | 2006-08-31 |
| TW200627046A (en) | 2006-08-01 |
| CN100426033C (zh) | 2008-10-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR20060087401A (ko) | 포커스 제어 장치, 포커스 제어 방법 | |
| JP3779247B2 (ja) | 撮像装置 | |
| US7403230B2 (en) | Image-taking apparatus | |
| US20060008265A1 (en) | Optical apparatus | |
| JP5427024B2 (ja) | 撮像装置、撮像装置の制御方法及びプログラム | |
| JP2003241070A (ja) | カメラ、被写体像取得装置、自動合焦システムおよび自動合焦方法 | |
| US7397510B2 (en) | Automatic focus adjustment apparatus and method | |
| JP2963006B2 (ja) | カメラ装置 | |
| US7570298B2 (en) | Image-taking apparatus with first focus control such that in-focus position is searched for based on first signal and second focus control such that one of in-focus position and drive amount is determined based on second signal | |
| JP3557222B2 (ja) | 自動合焦装置 | |
| JP2010191457A (ja) | 焦点検出装置、および焦点調節方法 | |
| JP2001004914A (ja) | 合焦制御装置 | |
| JP2008058788A (ja) | 焦点調節装置、撮像装置、および制御方法 | |
| JP2003005018A (ja) | 焦点検出装置 | |
| JP4438428B2 (ja) | 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 | |
| JP4283268B2 (ja) | 撮像装置 | |
| JP5904930B2 (ja) | レンズユニット及びその制御方法 | |
| JPH0614245A (ja) | ビデオカメラ | |
| JP4535462B2 (ja) | 被写体像取得装置 | |
| JPH05300422A (ja) | フォーカス制御装置 | |
| JPH06205267A (ja) | 自動合焦装置 | |
| JP2005221798A (ja) | オートフォーカスシステム | |
| JP5772897B2 (ja) | 焦点調節装置及び撮影装置 | |
| JP3213477B2 (ja) | オートフォーカスビデオカメラ | |
| JP3191885B2 (ja) | 自動合焦装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20051227 |
|
| PG1501 | Laying open of application | ||
| A201 | Request for examination | ||
| PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 20101129 Comment text: Request for Examination of Application Patent event code: PA02011R01I Patent event date: 20051227 Comment text: Patent Application |
|
| PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20120131 Patent event code: PE09021S01D |
|
| E601 | Decision to refuse application | ||
| PE0601 | Decision on rejection of patent |
Patent event date: 20120928 Comment text: Decision to Refuse Application Patent event code: PE06012S01D Patent event date: 20120131 Comment text: Notification of reason for refusal Patent event code: PE06011S01I |