CN105391934B - 焦点检测设备、其控制方法以及摄像装置 - Google Patents
焦点检测设备、其控制方法以及摄像装置 Download PDFInfo
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- CN105391934B CN105391934B CN201510526413.8A CN201510526413A CN105391934B CN 105391934 B CN105391934 B CN 105391934B CN 201510526413 A CN201510526413 A CN 201510526413A CN 105391934 B CN105391934 B CN 105391934B
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- picture signal
- phase difference
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- focus detection
- signal
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- 238000012545 processing Methods 0.000 description 32
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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
- G02B7/02—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
-
- 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
- H04N23/672—Focus control based on electronic image sensor signals based on the phase difference signals
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/71—Circuitry for evaluating the brightness variation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/70—SSIS architectures; Circuits associated therewith
- H04N25/703—SSIS architectures incorporating pixels for producing signals other than image signals
- H04N25/704—Pixels specially adapted for focusing, e.g. phase difference pixel sets
-
- 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
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/10—Circuitry of solid-state image sensors [SSIS]; Control thereof for transforming different wavelengths into image signals
- H04N25/11—Arrangement of colour filter arrays [CFA]; Filter mosaics
- H04N25/13—Arrangement of colour filter arrays [CFA]; Filter mosaics characterised by the spectral characteristics of the filter elements
- H04N25/134—Arrangement of colour filter arrays [CFA]; Filter mosaics characterised by the spectral characteristics of the filter elements based on three different wavelength filter elements
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Optics & Photonics (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Engineering & Computer Science (AREA)
- Studio Devices (AREA)
- Focusing (AREA)
- Automatic Focus Adjustment (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JPJP2014-179520 | 2014-09-03 | ||
| JP2014179520A JP6405163B2 (ja) | 2014-09-03 | 2014-09-03 | 焦点検出装置及びその制御方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105391934A CN105391934A (zh) | 2016-03-09 |
| CN105391934B true CN105391934B (zh) | 2018-10-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510526413.8A Active CN105391934B (zh) | 2014-09-03 | 2015-08-25 | 焦点检测设备、其控制方法以及摄像装置 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US9602716B2 (enExample) |
| JP (1) | JP6405163B2 (enExample) |
| CN (1) | CN105391934B (enExample) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| JP6806473B2 (ja) * | 2016-06-17 | 2021-01-06 | キヤノン株式会社 | 撮像装置およびその制御方法 |
| JP2018097176A (ja) * | 2016-12-14 | 2018-06-21 | オリンパス株式会社 | 焦点調節装置および焦点調節方法 |
| CN108337424B (zh) * | 2017-01-17 | 2021-04-16 | 中兴通讯股份有限公司 | 一种相位对焦方法及其装置 |
| US11394866B2 (en) * | 2017-08-09 | 2022-07-19 | Sony Group Corporation | Signal processing device, imaging device, signal processing meihod and program |
| KR20240014226A (ko) * | 2022-07-25 | 2024-02-01 | 삼성전자주식회사 | 위상 검출 픽셀을 포함하는 이미지 센서 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102687499A (zh) * | 2009-11-09 | 2012-09-19 | 佳能株式会社 | 摄像设备 |
| CN102834756A (zh) * | 2010-04-08 | 2012-12-19 | 索尼公司 | 摄像装置、固体摄像元件以及摄像方法 |
| CN103843318A (zh) * | 2011-09-30 | 2014-06-04 | 佳能株式会社 | 摄像设备及其控制方法 |
| CN103852857A (zh) * | 2012-11-29 | 2014-06-11 | 佳能株式会社 | 焦点检测装置、摄像装置、摄像系统及焦点检测方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7358999B2 (en) * | 1998-03-10 | 2008-04-15 | Canon Kabushiki Kaisha | Focus sensing apparatus, focus sensing method using phase-differential detection and computer-readable storage medium therefor |
| JP3592147B2 (ja) | 1998-08-20 | 2004-11-24 | キヤノン株式会社 | 固体撮像装置 |
| JP4858008B2 (ja) | 2006-08-24 | 2012-01-18 | 株式会社ニコン | 焦点検出装置、焦点検出方法および撮像装置 |
| JP5157400B2 (ja) * | 2007-12-03 | 2013-03-06 | 株式会社ニコン | 撮像装置 |
| JP2013097154A (ja) * | 2011-10-31 | 2013-05-20 | Olympus Corp | 距離測定装置、撮像装置、距離測定方法 |
| JP6033038B2 (ja) * | 2012-10-26 | 2016-11-30 | キヤノン株式会社 | 焦点検出装置、撮像装置、撮像システム、および、焦点検出方法 |
| JP6271952B2 (ja) * | 2013-01-23 | 2018-01-31 | キヤノン株式会社 | 撮像装置 |
-
2014
- 2014-09-03 JP JP2014179520A patent/JP6405163B2/ja active Active
-
2015
- 2015-08-25 CN CN201510526413.8A patent/CN105391934B/zh active Active
- 2015-08-27 US US14/837,889 patent/US9602716B2/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102687499A (zh) * | 2009-11-09 | 2012-09-19 | 佳能株式会社 | 摄像设备 |
| CN102834756A (zh) * | 2010-04-08 | 2012-12-19 | 索尼公司 | 摄像装置、固体摄像元件以及摄像方法 |
| CN103843318A (zh) * | 2011-09-30 | 2014-06-04 | 佳能株式会社 | 摄像设备及其控制方法 |
| CN103852857A (zh) * | 2012-11-29 | 2014-06-11 | 佳能株式会社 | 焦点检测装置、摄像装置、摄像系统及焦点检测方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| US9602716B2 (en) | 2017-03-21 |
| US20160065835A1 (en) | 2016-03-03 |
| JP2016053653A (ja) | 2016-04-14 |
| CN105391934A (zh) | 2016-03-09 |
| JP6405163B2 (ja) | 2018-10-17 |
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