CN100561326C - 自动对焦系统及自动对焦方法 - Google Patents
自动对焦系统及自动对焦方法 Download PDFInfo
- Publication number
- CN100561326C CN100561326C CNB2007102010192A CN200710201019A CN100561326C CN 100561326 C CN100561326 C CN 100561326C CN B2007102010192 A CNB2007102010192 A CN B2007102010192A CN 200710201019 A CN200710201019 A CN 200710201019A CN 100561326 C CN100561326 C CN 100561326C
- Authority
- CN
- China
- Prior art keywords
- module
- contrast
- contrast evaluation
- focusing
- evaluation value
- 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
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
- G02B7/08—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted to co-operate with a remote control mechanism
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
- G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
- G02B7/102—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens controlled by a microcomputer
-
- 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
- G02B7/287—Systems for automatic generation of focusing signals including a sight line detecting device
-
- 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)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- General Engineering & Computer Science (AREA)
- Automatic Focus Adjustment (AREA)
- Studio Devices (AREA)
- Focusing (AREA)
Abstract
Description
Claims (9)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007102010192A CN100561326C (zh) | 2007-07-06 | 2007-07-06 | 自动对焦系统及自动对焦方法 |
| US11/946,295 US20090009653A1 (en) | 2007-07-06 | 2007-11-28 | Auto focus system and auto focus method for use in video cameras |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007102010192A CN100561326C (zh) | 2007-07-06 | 2007-07-06 | 自动对焦系统及自动对焦方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101339347A CN101339347A (zh) | 2009-01-07 |
| CN100561326C true CN100561326C (zh) | 2009-11-18 |
Family
ID=40213445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007102010192A Active CN100561326C (zh) | 2007-07-06 | 2007-07-06 | 自动对焦系统及自动对焦方法 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US20090009653A1 (zh) |
| CN (1) | CN100561326C (zh) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010243697A (ja) * | 2009-04-03 | 2010-10-28 | Hoya Corp | 樹脂製リードスクリューを用いたフォーカシング装置 |
| US8786761B2 (en) | 2009-06-05 | 2014-07-22 | Apple Inc. | Continuous autofocus mechanisms for image capturing devices |
| JP5322783B2 (ja) * | 2009-06-05 | 2013-10-23 | キヤノン株式会社 | 撮像装置及び該撮像装置の制御方法 |
| CN101950063B (zh) * | 2009-07-10 | 2012-08-29 | 佛山普立华科技有限公司 | 自动对焦系统及自动对焦方法 |
| FR2949003B1 (fr) * | 2009-08-10 | 2017-09-08 | Dxo Labs | Systeme et procede de capture d'images avec deux modes de fonctionnement |
| TWI495335B (zh) * | 2010-04-21 | 2015-08-01 | Hon Hai Prec Ind Co Ltd | 取像模組及其運作方法 |
| CN102053339B (zh) * | 2010-11-23 | 2014-04-16 | 天津市亚安科技股份有限公司 | 自动聚焦方法 |
| CN102650801A (zh) * | 2011-02-25 | 2012-08-29 | 鸿富锦精密工业(深圳)有限公司 | 摄像装置及其自动对焦方法 |
| CN103108128B (zh) * | 2013-02-18 | 2016-08-03 | 广东欧珀移动通信有限公司 | 一种自动对焦的方法、系统及移动终端 |
| CN104065885B (zh) * | 2014-06-27 | 2018-02-13 | 宇龙计算机通信科技(深圳)有限公司 | 一种终端、视频摄像装置及方法 |
| CN105635554B (zh) * | 2014-10-30 | 2018-09-11 | 展讯通信(上海)有限公司 | 自动对焦控制方法及装置 |
| CN106154689A (zh) * | 2015-04-28 | 2016-11-23 | 信泰光学(深圳)有限公司 | 自动对焦方法及使用该自动对焦方法的影像撷取装置 |
| CN105357444B (zh) * | 2015-11-27 | 2018-11-02 | 努比亚技术有限公司 | 对焦方法和装置 |
| CN106154690B (zh) * | 2016-09-20 | 2018-09-25 | 照旷科技(上海)有限公司 | 一种控制平台控制相机快速自动调焦的方法 |
| CN106791374B (zh) * | 2016-11-29 | 2019-09-13 | Oppo广东移动通信有限公司 | 控制方法、控制装置及电子装置 |
| CN107197152B (zh) * | 2017-06-16 | 2020-01-14 | Oppo广东移动通信有限公司 | 对焦方法、装置、计算机可读存储介质和移动终端 |
| CN111183385B (zh) | 2017-09-29 | 2022-04-08 | 徕卡生物系统成像股份有限公司 | 实时自动聚焦扫描 |
| JP2020003730A (ja) * | 2018-06-29 | 2020-01-09 | 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 | 移動体、合焦制御方法、プログラム、及び記録媒体 |
| CN108769538B (zh) * | 2018-08-16 | 2020-09-29 | Oppo广东移动通信有限公司 | 自动对焦方法、装置、存储介质及终端 |
| CN112640425A (zh) * | 2020-04-14 | 2021-04-09 | 深圳市大疆创新科技有限公司 | 对焦控制方法、装置、设备、可移动平台和存储介质 |
| CN116055874B (zh) | 2021-06-29 | 2023-10-20 | 荣耀终端有限公司 | 一种对焦方法和电子设备 |
| CN114088628B (zh) * | 2021-11-19 | 2024-04-26 | 中导光电设备股份有限公司 | 一种显微镜测量方法 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5896174A (en) * | 1992-09-11 | 1999-04-20 | Asahi Kogaku Kogyo Kabushiki Kaisha | Control system for inhibiting a calculating system in an automatic focusing device |
| JP2003107328A (ja) * | 2001-09-28 | 2003-04-09 | Nikon Corp | カメラ |
| US20060210260A1 (en) * | 2005-03-15 | 2006-09-21 | Fujinon Corporation | Autofocus system |
| CN1933554A (zh) * | 2005-12-31 | 2007-03-21 | 北京中星微电子有限公司 | 一种用于手持数码摄像设备的防抖方法及装置 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3530907B2 (ja) * | 2002-01-31 | 2004-05-24 | ミノルタ株式会社 | デジタルカメラ |
| JP3728311B2 (ja) * | 2003-10-14 | 2005-12-21 | キヤノン株式会社 | 光学機器 |
| US7598997B2 (en) * | 2004-01-14 | 2009-10-06 | Ricoh Company, Ltd. | Imaging apparatus and focus control method based on a number of automatic focus scan stages, and recording medium storing a program for executing such a method |
| US7502065B2 (en) * | 2004-06-16 | 2009-03-10 | Hoya Corporation | Focus detection method and focus detection apparatus |
-
2007
- 2007-07-06 CN CNB2007102010192A patent/CN100561326C/zh active Active
- 2007-11-28 US US11/946,295 patent/US20090009653A1/en not_active Abandoned
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5896174A (en) * | 1992-09-11 | 1999-04-20 | Asahi Kogaku Kogyo Kabushiki Kaisha | Control system for inhibiting a calculating system in an automatic focusing device |
| JP2003107328A (ja) * | 2001-09-28 | 2003-04-09 | Nikon Corp | カメラ |
| US20060210260A1 (en) * | 2005-03-15 | 2006-09-21 | Fujinon Corporation | Autofocus system |
| CN1933554A (zh) * | 2005-12-31 | 2007-03-21 | 北京中星微电子有限公司 | 一种用于手持数码摄像设备的防抖方法及装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101339347A (zh) | 2009-01-07 |
| US20090009653A1 (en) | 2009-01-08 |
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Effective date of registration: 20151105 Address after: 518104 Guangdong city of Shenzhen province Baoan District manhole street and new road in New City Plaza E floor Room 308 Patentee after: Shenzhen Bo'er Simpson Technology Co.,Ltd. Address before: 518109 Guangdong city of Shenzhen province Baoan District Longhua Town Industrial Zone tabulaeformis tenth East Ring Road No. 2 two Patentee before: HONG FU JIN PRECISION INDUSTRY (SHENZHEN) Co.,Ltd. Patentee before: HON HAI PRECISION INDUSTRY Co.,Ltd. |
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Effective date of registration: 20201217 Address after: 264006 4th floor, building 2, energy saving science and Technology Park, Gaoxiong Road, Yantai Economic and Technological Development Zone, Shandong Province Patentee after: Yantai HUAFA qixianqin Intellectual Property Operation Co.,Ltd. Address before: 519000 2-I, building 5, Hengqin financial industrial service base, Zhuhai, Guangdong Patentee before: HENGQIN INTERNATIONAL INTELLECTUAL PROPERTY EXCHANGE Co.,Ltd. |
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Effective date of registration: 20220322 Address after: 519031 Building No. 12-3, Hengqin Financial Industry Development Base, Zhuhai City, Guangdong Province (Centralized Office District) Patentee after: HENGQIN INTERNATIONAL INTELLECTUAL PROPERTY EXCHANGE CO.,LTD. Address before: 264006 4th floor, building 2, energy saving science and Technology Park, Gaoxiong Road, Yantai Economic and Technological Development Zone, Shandong Province Patentee before: Yantai HUAFA qixianqin Intellectual Property Operation Co.,Ltd. |
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Application publication date: 20090107 Assignee: SHENGHUA ELECTRONICS (HUIYANG) Co.,Ltd. Assignor: HENGQIN INTERNATIONAL INTELLECTUAL PROPERTY EXCHANGE CO.,LTD. Contract record no.: X2023980035180 Denomination of invention: Autofocus system and autofocus method Granted publication date: 20091118 License type: Common License Record date: 20230428 |
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Application publication date: 20090107 Assignee: HUIZHOU AGPLUS ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Assignor: HENGQIN INTERNATIONAL INTELLECTUAL PROPERTY EXCHANGE CO.,LTD. Contract record no.: X2023980036023 Denomination of invention: Autofocus system and autofocus method Granted publication date: 20091118 License type: Common License Record date: 20230530 |
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Application publication date: 20090107 Assignee: WUZHOU OKA OPTICAL INSTRUMENT Co.,Ltd. Assignor: HENGQIN INTERNATIONAL INTELLECTUAL PROPERTY EXCHANGE CO.,LTD. Contract record no.: X2024980020085 Denomination of invention: Autofocus system and autofocus method Granted publication date: 20091118 License type: Common License Record date: 20241023 |
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Application publication date: 20090107 Assignee: WUZHOU MODERN METAL&PRECISION LTD. Assignor: HENGQIN INTERNATIONAL INTELLECTUAL PROPERTY EXCHANGE CO.,LTD. Contract record no.: X2024980021673 Denomination of invention: Autofocus system and autofocus method Granted publication date: 20091118 License type: Common License Record date: 20241031 |
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Application publication date: 20090107 Assignee: Hubei Mirang Technology Co.,Ltd. Assignor: HENGQIN INTERNATIONAL INTELLECTUAL PROPERTY EXCHANGE CO.,LTD. Contract record no.: X2024980032172 Denomination of invention: Autofocus system and autofocus method Granted publication date: 20091118 License type: Common License Record date: 20241204 |
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Application publication date: 20090107 Assignee: GUANGXI 51 PIPE INDUSTRY CO.,LTD. Assignor: HENGQIN INTERNATIONAL INTELLECTUAL PROPERTY EXCHANGE CO.,LTD. Contract record no.: X2024980036254 Denomination of invention: Autofocus system and autofocus method Granted publication date: 20091118 License type: Common License Record date: 20241212 |
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Application publication date: 20090107 Assignee: Dongguan Nanwan Dingcheng Information Technology Co.,Ltd. Assignor: HENGQIN INTERNATIONAL INTELLECTUAL PROPERTY EXCHANGE CO.,LTD. Contract record no.: X2024980037472 Denomination of invention: Autofocus system and autofocus method Granted publication date: 20091118 License type: Common License Record date: 20241216 Application publication date: 20090107 Assignee: Dongguan Zhiwanhui Technology Co.,Ltd. Assignor: HENGQIN INTERNATIONAL INTELLECTUAL PROPERTY EXCHANGE CO.,LTD. Contract record no.: X2024980037443 Denomination of invention: Autofocus system and autofocus method Granted publication date: 20091118 License type: Common License Record date: 20241216 |
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Application publication date: 20090107 Assignee: Zhuhai Qianhong Zhijin Technology Co.,Ltd. Assignor: HENGQIN INTERNATIONAL INTELLECTUAL PROPERTY EXCHANGE CO.,LTD. Contract record no.: X2024980043519 Denomination of invention: Autofocus system and autofocus method Granted publication date: 20091118 License type: Common License Record date: 20241230 Application publication date: 20090107 Assignee: Hunan Gangqing Engineering Installation Co.,Ltd. Assignor: HENGQIN INTERNATIONAL INTELLECTUAL PROPERTY EXCHANGE CO.,LTD. Contract record no.: X2024980043518 Denomination of invention: Autofocus system and autofocus method Granted publication date: 20091118 License type: Common License Record date: 20241230 Application publication date: 20090107 Assignee: Dong'an Yimin Agricultural Machinery Scrap and Disassembly Co.,Ltd. Assignor: HENGQIN INTERNATIONAL INTELLECTUAL PROPERTY EXCHANGE CO.,LTD. Contract record no.: X2024980043517 Denomination of invention: Autofocus system and autofocus method Granted publication date: 20091118 License type: Common License Record date: 20241230 Application publication date: 20090107 Assignee: Dong'an Fuxin Agricultural Machinery Sales Co.,Ltd. Assignor: HENGQIN INTERNATIONAL INTELLECTUAL PROPERTY EXCHANGE CO.,LTD. Contract record no.: X2024980043516 Denomination of invention: Autofocus system and autofocus method Granted publication date: 20091118 License type: Common License Record date: 20241230 |
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Application publication date: 20090107 Assignee: BAOTOU JIANGXIN MICRO MOTOR TECHNOLOGY Co.,Ltd. Assignor: HENGQIN INTERNATIONAL INTELLECTUAL PROPERTY EXCHANGE CO.,LTD. Contract record no.: X2025980015830 Denomination of invention: Autofocus system and autofocus method Granted publication date: 20091118 License type: Common License Record date: 20250731 |
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