JP7146474B2 - 制御装置、撮像装置、制御方法、プログラム、および、記憶媒体 - Google Patents

制御装置、撮像装置、制御方法、プログラム、および、記憶媒体 Download PDF

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Publication number
JP7146474B2
JP7146474B2 JP2018117237A JP2018117237A JP7146474B2 JP 7146474 B2 JP7146474 B2 JP 7146474B2 JP 2018117237 A JP2018117237 A JP 2018117237A JP 2018117237 A JP2018117237 A JP 2018117237A JP 7146474 B2 JP7146474 B2 JP 7146474B2
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Japan
Prior art keywords
defocus amount
evaluation value
reliability evaluation
focus
focus lens
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JP2018117237A
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English (en)
Japanese (ja)
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JP2019219535A (ja
JP2019219535A5 (enExample
Inventor
佑輔 清水
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
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Canon Inc
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Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2018117237A priority Critical patent/JP7146474B2/ja
Priority to US16/434,590 priority patent/US10911660B2/en
Publication of JP2019219535A publication Critical patent/JP2019219535A/ja
Publication of JP2019219535A5 publication Critical patent/JP2019219535A5/ja
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    • 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
    • G02B7/34—Systems for automatic generation of focusing signals using different areas in a pupil plane
    • 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
    • G02B7/282—Autofocusing of zoom lenses
    • 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
    • G02B7/285—Systems for automatic generation of focusing signals including two or more different focus detection devices, e.g. both an active and a passive focus detecting device
    • 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
    • H04N23/66—Remote control of cameras or camera parts, e.g. by remote control devices
    • H04N23/663—Remote control of cameras or camera parts, e.g. by remote control devices for controlling interchangeable camera parts based on electronic image sensor signals
    • 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
    • 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

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Studio Devices (AREA)
  • Automatic Focus Adjustment (AREA)
  • Focusing (AREA)
JP2018117237A 2018-06-20 2018-06-20 制御装置、撮像装置、制御方法、プログラム、および、記憶媒体 Active JP7146474B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2018117237A JP7146474B2 (ja) 2018-06-20 2018-06-20 制御装置、撮像装置、制御方法、プログラム、および、記憶媒体
US16/434,590 US10911660B2 (en) 2018-06-20 2019-06-07 Control apparatus, imaging apparatus, control method, and storage medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2018117237A JP7146474B2 (ja) 2018-06-20 2018-06-20 制御装置、撮像装置、制御方法、プログラム、および、記憶媒体

Publications (3)

Publication Number Publication Date
JP2019219535A JP2019219535A (ja) 2019-12-26
JP2019219535A5 JP2019219535A5 (enExample) 2021-07-29
JP7146474B2 true JP7146474B2 (ja) 2022-10-04

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JP2018117237A Active JP7146474B2 (ja) 2018-06-20 2018-06-20 制御装置、撮像装置、制御方法、プログラム、および、記憶媒体

Country Status (2)

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US (1) US10911660B2 (enExample)
JP (1) JP7146474B2 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11496728B2 (en) 2020-12-15 2022-11-08 Waymo Llc Aperture health monitoring mode
JP2023101895A (ja) * 2022-01-11 2023-07-24 キヤノン株式会社 合焦情報取得装置、レンズ装置、撮像装置、合焦情報取得方法およびプログラム

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012141501A (ja) 2011-01-05 2012-07-26 Canon Inc 自動合焦装置及びそれを有するレンズ装置及び撮像システム
JP2018045102A (ja) 2016-09-14 2018-03-22 キヤノン株式会社 焦点調節装置及び撮像装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009294416A (ja) 2008-06-05 2009-12-17 Sony Corp 撮像装置およびその制御方法
US8730351B2 (en) * 2008-12-18 2014-05-20 Intellectual Ventures Fund 83 Llc Method for deleting data files in an electronic device
JP2016114614A (ja) 2013-03-29 2016-06-23 富士フイルム株式会社 オート・フォーカス装置およびその動作制御方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012141501A (ja) 2011-01-05 2012-07-26 Canon Inc 自動合焦装置及びそれを有するレンズ装置及び撮像システム
JP2018045102A (ja) 2016-09-14 2018-03-22 キヤノン株式会社 焦点調節装置及び撮像装置

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Publication number Publication date
US10911660B2 (en) 2021-02-02
JP2019219535A (ja) 2019-12-26
US20190394406A1 (en) 2019-12-26

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