CN102629984B - 摄像设备及其控制方法 - Google Patents
摄像设备及其控制方法 Download PDFInfo
- Publication number
- CN102629984B CN102629984B CN201210023535.1A CN201210023535A CN102629984B CN 102629984 B CN102629984 B CN 102629984B CN 201210023535 A CN201210023535 A CN 201210023535A CN 102629984 B CN102629984 B CN 102629984B
- Authority
- CN
- China
- Prior art keywords
- value
- focal power
- focusing lens
- situation
- focus
- 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.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims description 137
- 238000001514 detection method Methods 0.000 claims abstract description 27
- 238000006243 chemical reaction Methods 0.000 claims abstract description 10
- 238000004364 calculation method Methods 0.000 claims abstract description 6
- 238000009790 rate-determining step (RDS) Methods 0.000 claims description 8
- 230000010354 integration Effects 0.000 claims description 4
- 230000005693 optoelectronics Effects 0.000 claims description 4
- 238000011156 evaluation Methods 0.000 abstract description 10
- 241000219739 Lens Species 0.000 description 162
- 210000000695 crystalline len Anatomy 0.000 description 162
- 230000008569 process Effects 0.000 description 101
- 238000006073 displacement reaction Methods 0.000 description 29
- 230000008859 change Effects 0.000 description 22
- 230000009194 climbing Effects 0.000 description 22
- 238000012545 processing Methods 0.000 description 13
- 230000000875 corresponding effect Effects 0.000 description 10
- 230000006870 function Effects 0.000 description 10
- 239000000284 extract Substances 0.000 description 9
- 230000001276 controlling effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000009467 reduction Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000004422 calculation algorithm Methods 0.000 description 2
- 238000004590 computer program Methods 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
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- 238000005286 illumination Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
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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
- 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
-
- 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
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Optics & Photonics (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 |
|---|---|---|---|
| JP2011-021012 | 2011-02-02 | ||
| JP2011021012A JP5791285B2 (ja) | 2011-02-02 | 2011-02-02 | 撮像装置、焦点調整方法、プログラム |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102629984A CN102629984A (zh) | 2012-08-08 |
| CN102629984B true CN102629984B (zh) | 2015-05-20 |
Family
ID=46577080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210023535.1A Expired - Fee Related CN102629984B (zh) | 2011-02-02 | 2012-02-02 | 摄像设备及其控制方法 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US8823866B2 (enExample) |
| JP (1) | JP5791285B2 (enExample) |
| CN (1) | CN102629984B (enExample) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8525923B2 (en) * | 2010-08-30 | 2013-09-03 | Samsung Electronics Co., Ltd. | Focusing method and apparatus, and recording medium for recording the method |
| JP6257245B2 (ja) | 2013-09-27 | 2018-01-10 | キヤノン株式会社 | 撮像装置及びその制御方法 |
| JP6539015B2 (ja) * | 2013-12-05 | 2019-07-03 | キヤノン株式会社 | 撮像装置及びその制御方法 |
| JP6300550B2 (ja) * | 2014-02-07 | 2018-03-28 | キヤノン株式会社 | 自動合焦装置、および自動合焦方法 |
| JP6645690B2 (ja) * | 2015-09-18 | 2020-02-14 | キヤノン株式会社 | 自動焦点調節装置、撮像装置、および自動焦点調節方法 |
| CN109916335B (zh) * | 2019-04-26 | 2021-09-17 | 李配灯 | 影像测量设备及影像测量设备的自动对焦方法 |
| EP3879811B1 (en) * | 2020-03-09 | 2021-12-15 | Axis AB | Determining whether a camera is out-of-focus |
| CN113691732B (zh) * | 2021-09-07 | 2022-11-22 | 联想(北京)有限公司 | 相机自动对焦方法、装置、电子设备及存储介质 |
| CN119255112B (zh) * | 2024-12-05 | 2025-03-07 | 浙江大华技术股份有限公司 | 摄像设备的光线调节方法、摄像设备及存储介质 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1716083A (zh) * | 2004-07-02 | 2006-01-04 | 索尼公司 | 电子像机和自动聚焦方法 |
| CN1727982A (zh) * | 2004-07-26 | 2006-02-01 | 佳能株式会社 | 图像传感装置及其控制方法和该装置的自动焦点调节装置 |
| CN101344702A (zh) * | 2007-07-13 | 2009-01-14 | 佛山普立华科技有限公司 | 自动对焦系统及自动对焦方法 |
| CN101918892A (zh) * | 2008-02-13 | 2010-12-15 | 高通股份有限公司 | 图像俘获装置的自动对焦校准 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08265631A (ja) * | 1995-03-27 | 1996-10-11 | Canon Inc | 自動焦点調節装置 |
| JPH1010414A (ja) * | 1996-06-20 | 1998-01-16 | Canon Inc | 撮像装置 |
| JP4029296B2 (ja) * | 2004-03-02 | 2008-01-09 | ソニー株式会社 | オートフォーカス制御装置および方法、記録媒体、並びにプログラム |
| JP2005345947A (ja) * | 2004-06-07 | 2005-12-15 | Canon Inc | 自動合焦装置 |
| JP4293089B2 (ja) * | 2004-08-05 | 2009-07-08 | ソニー株式会社 | 撮像装置、撮像制御方法およびプログラム |
| JP4407564B2 (ja) * | 2005-04-15 | 2010-02-03 | ソニー株式会社 | オートフォーカス装置とオートフォーカス方法およびプログラム |
| US8237850B2 (en) * | 2007-08-27 | 2012-08-07 | Sanyo Electric Co., Ltd. | Electronic camera that adjusts the distance from an optical lens to an imaging surface |
| JP2009192960A (ja) * | 2008-02-16 | 2009-08-27 | Sanyo Electric Co Ltd | 電子カメラ |
| JP5137622B2 (ja) * | 2008-03-03 | 2013-02-06 | キヤノン株式会社 | 撮影装置及びその制御方法、並びに画像処理装置及びその制御方法 |
| JP2010078681A (ja) * | 2008-09-24 | 2010-04-08 | Canon Inc | 自動焦点調整装置および方法、並びにプログラム |
| JP4678053B2 (ja) * | 2008-12-08 | 2011-04-27 | ソニー株式会社 | 撮像装置 |
| JP5339954B2 (ja) * | 2009-02-17 | 2013-11-13 | キヤノン株式会社 | 焦点調節装置及び焦点調節方法 |
-
2011
- 2011-02-02 JP JP2011021012A patent/JP5791285B2/ja not_active Expired - Fee Related
-
2012
- 2012-01-27 US US13/359,890 patent/US8823866B2/en not_active Expired - Fee Related
- 2012-02-02 CN CN201210023535.1A patent/CN102629984B/zh not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1716083A (zh) * | 2004-07-02 | 2006-01-04 | 索尼公司 | 电子像机和自动聚焦方法 |
| CN1727982A (zh) * | 2004-07-26 | 2006-02-01 | 佳能株式会社 | 图像传感装置及其控制方法和该装置的自动焦点调节装置 |
| CN101344702A (zh) * | 2007-07-13 | 2009-01-14 | 佛山普立华科技有限公司 | 自动对焦系统及自动对焦方法 |
| CN101918892A (zh) * | 2008-02-13 | 2010-12-15 | 高通股份有限公司 | 图像俘获装置的自动对焦校准 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2012159798A (ja) | 2012-08-23 |
| JP5791285B2 (ja) | 2015-10-07 |
| US8823866B2 (en) | 2014-09-02 |
| CN102629984A (zh) | 2012-08-08 |
| US20120194731A1 (en) | 2012-08-02 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20150520 Termination date: 20220202 |
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| CF01 | Termination of patent right due to non-payment of annual fee |