JP2007139893A - 合焦検出装置 - Google Patents
合焦検出装置 Download PDFInfo
- Publication number
- JP2007139893A JP2007139893A JP2005330460A JP2005330460A JP2007139893A JP 2007139893 A JP2007139893 A JP 2007139893A JP 2005330460 A JP2005330460 A JP 2005330460A JP 2005330460 A JP2005330460 A JP 2005330460A JP 2007139893 A JP2007139893 A JP 2007139893A
- Authority
- JP
- Japan
- Prior art keywords
- luminance information
- focus detection
- optical system
- distance
- unit
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 107
- 238000004364 calculation method Methods 0.000 claims abstract description 120
- 230000003287 optical effect Effects 0.000 claims abstract description 93
- 238000011156 evaluation Methods 0.000 claims description 64
- 238000000605 extraction Methods 0.000 claims description 39
- 238000003860 storage Methods 0.000 claims description 28
- 238000012937 correction Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 48
- 230000000875 corresponding effect Effects 0.000 description 24
- 238000010586 diagram Methods 0.000 description 17
- 230000000694 effects Effects 0.000 description 17
- 238000012545 processing Methods 0.000 description 15
- 238000012986 modification Methods 0.000 description 13
- 230000004048 modification Effects 0.000 description 13
- 238000003384 imaging method Methods 0.000 description 10
- 230000009194 climbing Effects 0.000 description 9
- 230000011514 reflex Effects 0.000 description 7
- 239000006185 dispersion Substances 0.000 description 5
- 239000000284 extract Substances 0.000 description 5
- 238000012887 quadratic function Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000004069 differentiation Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000010606 normalization Methods 0.000 description 2
- 102220637010 Actin-like protein 7A_S10T_mutation Human genes 0.000 description 1
- 102220646157 Actin-like protein 7A_S12A_mutation Human genes 0.000 description 1
- 102220470087 Ribonucleoside-diphosphate reductase subunit M2_S20A_mutation Human genes 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
Images
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
- G02B7/28—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
- G02B7/38—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals measured at different points on the optical axis, e.g. focussing on two or more planes and comparing image data
-
- 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
- G03B3/00—Focusing arrangements of general interest for cameras, projectors or printers
- G03B3/02—Focusing arrangements of general interest for cameras, projectors or printers moving lens along baseboard
-
- 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
- G03B3/00—Focusing arrangements of general interest for cameras, projectors or printers
- G03B3/04—Focusing arrangements of general interest for cameras, projectors or printers adjusting position of image plane without moving lens
-
- 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
-
- 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
- G03B2217/00—Details of cameras or camera bodies; Accessories therefor
- G03B2217/002—Details of arrangement of components in or on camera body
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Optics & Photonics (AREA)
- Automatic Focus Adjustment (AREA)
- Studio Devices (AREA)
- Focusing (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005330460A JP2007139893A (ja) | 2005-11-15 | 2005-11-15 | 合焦検出装置 |
| PCT/JP2006/322265 WO2007058100A1 (ja) | 2005-11-15 | 2006-11-08 | 合焦検出装置 |
| US12/120,513 US20080297648A1 (en) | 2005-11-15 | 2008-05-14 | Focus detection apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005330460A JP2007139893A (ja) | 2005-11-15 | 2005-11-15 | 合焦検出装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2007139893A true JP2007139893A (ja) | 2007-06-07 |
| JP2007139893A5 JP2007139893A5 (enExample) | 2009-09-03 |
Family
ID=38048487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005330460A Pending JP2007139893A (ja) | 2005-11-15 | 2005-11-15 | 合焦検出装置 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20080297648A1 (enExample) |
| JP (1) | JP2007139893A (enExample) |
| WO (1) | WO2007058100A1 (enExample) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011128623A (ja) * | 2009-12-21 | 2011-06-30 | Sony Corp | 信頼基準を有するオートフォーカス |
| KR20130040121A (ko) * | 2011-10-13 | 2013-04-23 | 제너럴 일렉트릭 캄파니 | Dfd 이미징 시스템 및 방법 |
| WO2013094551A1 (ja) * | 2011-12-22 | 2013-06-27 | ソニー株式会社 | 撮像装置、その制御方法およびプログラム |
| WO2013094552A1 (ja) * | 2011-12-22 | 2013-06-27 | ソニー株式会社 | 撮像装置、その制御方法およびプログラム |
| JP2015036632A (ja) * | 2013-08-12 | 2015-02-23 | キヤノン株式会社 | 距離計測装置、撮像装置、距離計測方法 |
| JP2015121774A (ja) * | 2013-11-19 | 2015-07-02 | パナソニックIpマネジメント株式会社 | 撮像装置 |
| JP2015194672A (ja) * | 2014-03-28 | 2015-11-05 | パナソニックIpマネジメント株式会社 | 撮像装置 |
| JP2015200907A (ja) * | 2013-11-19 | 2015-11-12 | パナソニックIpマネジメント株式会社 | 撮像装置 |
| JP2016018116A (ja) * | 2014-07-09 | 2016-02-01 | キヤノン株式会社 | 焦点調節装置、焦点調節方法およびプログラム、並びに撮像装置 |
| JP2016218206A (ja) * | 2015-05-19 | 2016-12-22 | キヤノン株式会社 | 撮像装置およびその制御方法 |
| US10250805B2 (en) | 2014-03-19 | 2019-04-02 | Panasonic Intellectual Property Management Co., Ltd. | Imaging device for performing DFD processing at appropriate timing |
| US11323610B2 (en) | 2018-09-28 | 2022-05-03 | Samsung Electronics Co., Ltd. | Autofocus method and electronic device performing same |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4933961B2 (ja) * | 2007-06-21 | 2012-05-16 | シャープ株式会社 | カメラモジュールのフォーカス調整装置及びフォーカス調整方法 |
| US8280194B2 (en) * | 2008-04-29 | 2012-10-02 | Sony Corporation | Reduced hardware implementation for a two-picture depth map algorithm |
| US8218061B2 (en) * | 2008-09-04 | 2012-07-10 | Csr Technology Inc. | Apparatus, method, and manufacture for iterative auto-focus using depth-from-defocus |
| US8194995B2 (en) * | 2008-09-30 | 2012-06-05 | Sony Corporation | Fast camera auto-focus |
| US8553093B2 (en) | 2008-09-30 | 2013-10-08 | Sony Corporation | Method and apparatus for super-resolution imaging using digital imaging devices |
| TW201101799A (en) * | 2009-06-17 | 2011-01-01 | Altek Corp | Digital image sharpening treatment method and its system thereof |
| US8542313B2 (en) * | 2010-01-27 | 2013-09-24 | Csr Technology Inc. | Depth from defocus calibration |
| EP2537345A1 (en) | 2010-02-19 | 2012-12-26 | Dual Aperture, Inc. | Processing multi-aperture image data |
| CN103210641B (zh) * | 2010-02-19 | 2017-03-15 | 双光圈国际株式会社 | 处理多孔径像数据 |
| JP2012003233A (ja) * | 2010-05-17 | 2012-01-05 | Sony Corp | 画像処理装置、画像処理方法およびプログラム |
| US8644697B1 (en) | 2010-08-13 | 2014-02-04 | Csr Technology Inc. | Method for progressively determining depth from defocused images |
| US8433187B2 (en) * | 2011-01-18 | 2013-04-30 | DigitalOptics Corporation MEMS | Distance estimation systems and method based on a two-state auto-focus lens |
| US9501834B2 (en) | 2011-08-18 | 2016-11-22 | Qualcomm Technologies, Inc. | Image capture for later refocusing or focus-manipulation |
| AU2011224051B2 (en) * | 2011-09-14 | 2014-05-01 | Canon Kabushiki Kaisha | Determining a depth map from images of a scene |
| US9049364B2 (en) * | 2012-02-13 | 2015-06-02 | Htc Corporation | Focus adjusting method and image capture device thereof |
| US8896747B2 (en) | 2012-11-13 | 2014-11-25 | Qualcomm Technologies, Inc. | Depth estimation based on interpolation of inverse focus statistics |
| US10237528B2 (en) | 2013-03-14 | 2019-03-19 | Qualcomm Incorporated | System and method for real time 2D to 3D conversion of a video in a digital camera |
| JP5925966B2 (ja) * | 2013-08-01 | 2016-05-25 | 富士フイルム株式会社 | 撮影装置 |
| US20160255323A1 (en) | 2015-02-26 | 2016-09-01 | Dual Aperture International Co. Ltd. | Multi-Aperture Depth Map Using Blur Kernels and Down-Sampling |
| JP6611576B2 (ja) * | 2015-11-30 | 2019-11-27 | キヤノン株式会社 | 画像処理装置および画像処理方法 |
| TWI585394B (zh) * | 2015-12-09 | 2017-06-01 | 由田新技股份有限公司 | 動態式自動追焦系統 |
| KR102382865B1 (ko) * | 2017-06-28 | 2022-04-05 | 삼성전자주식회사 | 카메라 모듈, 카메라 모듈을 포함하는 전자 장치 |
| KR102382871B1 (ko) * | 2017-07-18 | 2022-04-05 | 삼성전자주식회사 | 렌즈의 포커스를 제어하기 위한 전자 장치 및 전자 장치 제어 방법 |
| KR102593303B1 (ko) * | 2018-01-16 | 2023-10-25 | 삼성전자 주식회사 | 전자 장치 및 전자 장치의 카메라 자동 초점 제어 방법 |
| JP2021108431A (ja) * | 2019-12-27 | 2021-07-29 | 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、撮像装置、制御方法、及びプログラム |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01167610A (ja) * | 1987-11-27 | 1989-07-03 | Univ New York State | 3次元空間シーンの表面区画及びカメラ装置間の距離を決定するための方法及び装置 |
| JPH03136580A (ja) * | 1989-06-29 | 1991-06-11 | Univ New York State | 対象の距離を決定し、自動焦点合せをし、合焦像を得るための方法及び電子カメラ装置 |
| JPH05181057A (ja) * | 1992-01-06 | 1993-07-23 | Olympus Optical Co Ltd | 自動合焦装置 |
| JPH077650A (ja) * | 1993-06-17 | 1995-01-10 | Sanyo Electric Co Ltd | オートフォーカスビデオカメラ |
| JP2000199845A (ja) * | 1999-01-05 | 2000-07-18 | Ricoh Co Ltd | 自動合焦装置及び自動合焦方法 |
| JP2005094432A (ja) * | 2003-09-18 | 2005-04-07 | Matsushita Electric Ind Co Ltd | 画像サーバ |
| JP2006003803A (ja) * | 2004-06-21 | 2006-01-05 | Olympus Corp | 合焦情報取得装置及び合焦情報取得方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3175175B2 (ja) * | 1991-03-01 | 2001-06-11 | ミノルタ株式会社 | 合焦検出装置 |
| JP4265233B2 (ja) * | 2003-02-13 | 2009-05-20 | 株式会社ニコン | カメラ |
-
2005
- 2005-11-15 JP JP2005330460A patent/JP2007139893A/ja active Pending
-
2006
- 2006-11-08 WO PCT/JP2006/322265 patent/WO2007058100A1/ja not_active Ceased
-
2008
- 2008-05-14 US US12/120,513 patent/US20080297648A1/en not_active Abandoned
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01167610A (ja) * | 1987-11-27 | 1989-07-03 | Univ New York State | 3次元空間シーンの表面区画及びカメラ装置間の距離を決定するための方法及び装置 |
| JPH03136580A (ja) * | 1989-06-29 | 1991-06-11 | Univ New York State | 対象の距離を決定し、自動焦点合せをし、合焦像を得るための方法及び電子カメラ装置 |
| JPH05181057A (ja) * | 1992-01-06 | 1993-07-23 | Olympus Optical Co Ltd | 自動合焦装置 |
| JPH077650A (ja) * | 1993-06-17 | 1995-01-10 | Sanyo Electric Co Ltd | オートフォーカスビデオカメラ |
| JP2000199845A (ja) * | 1999-01-05 | 2000-07-18 | Ricoh Co Ltd | 自動合焦装置及び自動合焦方法 |
| JP2005094432A (ja) * | 2003-09-18 | 2005-04-07 | Matsushita Electric Ind Co Ltd | 画像サーバ |
| JP2006003803A (ja) * | 2004-06-21 | 2006-01-05 | Olympus Corp | 合焦情報取得装置及び合焦情報取得方法 |
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011128623A (ja) * | 2009-12-21 | 2011-06-30 | Sony Corp | 信頼基準を有するオートフォーカス |
| KR20130040121A (ko) * | 2011-10-13 | 2013-04-23 | 제너럴 일렉트릭 캄파니 | Dfd 이미징 시스템 및 방법 |
| JP2013089230A (ja) * | 2011-10-13 | 2013-05-13 | General Electric Co <Ge> | デプスフロムデフォーカス撮像用のシステムおよび方法 |
| KR102001678B1 (ko) * | 2011-10-13 | 2019-07-18 | 제너럴 일렉트릭 캄파니 | Dfd 이미징 시스템 및 방법 |
| WO2013094551A1 (ja) * | 2011-12-22 | 2013-06-27 | ソニー株式会社 | 撮像装置、その制御方法およびプログラム |
| WO2013094552A1 (ja) * | 2011-12-22 | 2013-06-27 | ソニー株式会社 | 撮像装置、その制御方法およびプログラム |
| US9407811B2 (en) | 2011-12-22 | 2016-08-02 | Sony Corporation | Focus control unit in imaging apparatus, method of controlling the focus control unit and medium for controlling the focus control unit |
| JP2015036632A (ja) * | 2013-08-12 | 2015-02-23 | キヤノン株式会社 | 距離計測装置、撮像装置、距離計測方法 |
| JP2015207019A (ja) * | 2013-11-19 | 2015-11-19 | パナソニックIpマネジメント株式会社 | 撮像装置 |
| JP2015200908A (ja) * | 2013-11-19 | 2015-11-12 | パナソニックIpマネジメント株式会社 | 撮像装置 |
| JP2015200907A (ja) * | 2013-11-19 | 2015-11-12 | パナソニックIpマネジメント株式会社 | 撮像装置 |
| US9571719B2 (en) | 2013-11-19 | 2017-02-14 | Panasonic Intellectual Property Management Co., Ltd. | Image-capturing apparatus |
| US9832362B2 (en) | 2013-11-19 | 2017-11-28 | Panasonic Intellectual Property Management Co., Ltd. | Image-capturing apparatus |
| JP2015121774A (ja) * | 2013-11-19 | 2015-07-02 | パナソニックIpマネジメント株式会社 | 撮像装置 |
| US10250805B2 (en) | 2014-03-19 | 2019-04-02 | Panasonic Intellectual Property Management Co., Ltd. | Imaging device for performing DFD processing at appropriate timing |
| JP2015194672A (ja) * | 2014-03-28 | 2015-11-05 | パナソニックIpマネジメント株式会社 | 撮像装置 |
| US9531938B2 (en) | 2014-03-28 | 2016-12-27 | Panasonic Intellectual Property Management Co., Ltd. | Image-capturing apparatus |
| JP2016018116A (ja) * | 2014-07-09 | 2016-02-01 | キヤノン株式会社 | 焦点調節装置、焦点調節方法およびプログラム、並びに撮像装置 |
| JP2016218206A (ja) * | 2015-05-19 | 2016-12-22 | キヤノン株式会社 | 撮像装置およびその制御方法 |
| US11323610B2 (en) | 2018-09-28 | 2022-05-03 | Samsung Electronics Co., Ltd. | Autofocus method and electronic device performing same |
Also Published As
| Publication number | Publication date |
|---|---|
| US20080297648A1 (en) | 2008-12-04 |
| WO2007058100A1 (ja) | 2007-05-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2007139893A (ja) | 合焦検出装置 | |
| US10264173B2 (en) | Image capturing apparatus and control method thereof, and storage medium | |
| JP6154081B2 (ja) | 撮影装置、撮影装置本体、及びレンズ鏡筒 | |
| WO2007086378A1 (ja) | 合焦検出装置 | |
| JP7007871B2 (ja) | 撮像装置及びその制御方法、プログラム、記憶媒体 | |
| JP2017211487A (ja) | 撮像装置及び自動焦点調節方法 | |
| WO2016039146A1 (ja) | 撮影装置、撮影装置本体、及びレンズ鏡筒 | |
| JP6432038B2 (ja) | 撮像装置 | |
| JP2016142999A (ja) | 撮像装置及びその制御方法 | |
| JP6320105B2 (ja) | 撮像装置およびその制御方法 | |
| JP6808340B2 (ja) | レンズ制御装置、制御方法 | |
| JP6154080B2 (ja) | 撮影装置、撮影装置本体、及びレンズ鏡筒 | |
| US10999491B2 (en) | Control apparatus, image capturing apparatus, control method, and storage medium | |
| JP2016142924A (ja) | 撮像装置及びその制御方法、プログラム、記憶媒体 | |
| JP6486098B2 (ja) | 撮像装置及びその制御方法 | |
| JP6271911B2 (ja) | 撮像装置及びその制御方法、デフォーカス量算出方法 | |
| JP7019337B2 (ja) | 像ブレ補正装置、レンズ装置およびそれらの制御方法 | |
| JP4687291B2 (ja) | 焦点調節装置および撮像装置 | |
| JP2007139892A (ja) | 合焦検出装置 | |
| WO2016132566A1 (ja) | 自動焦点調節装置及び自動焦点調節制御装置 | |
| WO2007058099A1 (ja) | 撮像装置 | |
| JP5364983B2 (ja) | 測光装置 | |
| JP2017194553A (ja) | 像振れ補正装置及びその制御方法、撮像装置、プログラム | |
| WO2016157569A1 (ja) | 撮像装置及び合焦評価装置 | |
| JP6778014B2 (ja) | 撮像装置及びその制御方法、プログラム、記憶媒体 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20081009 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20090717 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20120214 |
|
| RD04 | Notification of resignation of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7424 Effective date: 20120529 |
|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20120612 |