CN107835357B - 自动聚焦方法、自动聚焦系统和包括自动聚焦模块的相机 - Google Patents

自动聚焦方法、自动聚焦系统和包括自动聚焦模块的相机 Download PDF

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Publication number
CN107835357B
CN107835357B CN201710783538.8A CN201710783538A CN107835357B CN 107835357 B CN107835357 B CN 107835357B CN 201710783538 A CN201710783538 A CN 201710783538A CN 107835357 B CN107835357 B CN 107835357B
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China
Prior art keywords
object distance
zoom
camera
correction factor
zoom position
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CN201710783538.8A
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English (en)
Chinese (zh)
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CN107835357A (zh
Inventor
约翰·尼斯特伦
C·徐
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Anxinshi Co Ltd
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Anxinshi Co Ltd
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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
    • G02B7/282—Autofocusing of zoom lenses
    • 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
    • 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
    • G02B7/09—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted for automatic focusing or varying magnification
    • 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
    • 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
    • G03B13/18—Focusing aids
    • G03B13/20—Rangefinders coupled with focusing arrangements, e.g. adjustment of rangefinder automatically focusing camera
    • 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
    • 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
    • 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
    • H04N23/671—Focus control based on electronic image sensor signals in combination with active ranging signals, e.g. using light or sound signals emitted toward objects
    • 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
    • H04N23/69—Control of means for changing angle of the field of view, e.g. optical zoom objectives or electronic zooming
    • 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
    • G03B2205/00—Adjustment of optical system relative to image or object surface other than for focusing
    • G03B2205/0046—Movement of one or more optical elements for zooming

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Optics & Photonics (AREA)
  • Studio Devices (AREA)
  • Automatic Focus Adjustment (AREA)
  • Lens Barrels (AREA)
  • Focusing (AREA)
  • Length Measuring Devices By Optical Means (AREA)
CN201710783538.8A 2016-09-15 2017-08-31 自动聚焦方法、自动聚焦系统和包括自动聚焦模块的相机 Active CN107835357B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP16189024.9A EP3296788B1 (en) 2016-09-15 2016-09-15 Method of performing autofocus, autofocus system, and camera comprising an autofocus module
EP16189024.9 2016-09-15

Publications (2)

Publication Number Publication Date
CN107835357A CN107835357A (zh) 2018-03-23
CN107835357B true CN107835357B (zh) 2019-11-26

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Country Status (6)

Country Link
US (1) US10324268B2 (enExample)
EP (1) EP3296788B1 (enExample)
JP (1) JP6537568B2 (enExample)
KR (1) KR101943564B1 (enExample)
CN (1) CN107835357B (enExample)
TW (1) TWI680339B (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10073239B1 (en) * 2017-05-15 2018-09-11 Omnivision Technologies, Inc. Dual photodiode for phase detection autofocus
CN108259760B (zh) * 2018-03-22 2020-05-26 浙江大华技术股份有限公司 一种球罩球机的变倍聚焦补偿方法及装置
CN110557547B (zh) * 2018-05-30 2021-06-08 北京小米移动软件有限公司 镜头位置调整方法及装置
WO2020019261A1 (zh) * 2018-07-26 2020-01-30 深圳市瑞尔幸电子有限公司 共光路数码成像的激光测距仪
CN208836252U (zh) * 2018-09-26 2019-05-07 深圳市大疆创新科技有限公司 相机和无人机
CN109218624B (zh) * 2018-11-15 2020-10-13 中国科学院光电技术研究所 一种光电跟踪系统的温度调焦补偿方法
KR102704135B1 (ko) * 2019-01-22 2024-09-09 엘지이노텍 주식회사 카메라 장치 및 그의 오토포커싱 방법
CN111314602B (zh) * 2020-02-17 2021-09-17 浙江大华技术股份有限公司 目标对象聚焦方法、装置、存储介质及电子装置
CN113382155B (zh) * 2020-03-10 2023-02-28 浙江宇视科技有限公司 自动聚焦方法、装置、设备和存储介质
CN111880283A (zh) * 2020-08-24 2020-11-03 长春通视光电技术有限公司 一种变焦距光学系统的控制系统
US11606492B2 (en) * 2021-05-24 2023-03-14 Anduril Industries, Inc. Auto-focus acquisition for remote flying targets
US11611707B2 (en) 2021-05-24 2023-03-21 Anduril Industries, Inc. Auto-focus tracking for remote flying targets

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1716078A (zh) * 2004-06-03 2006-01-04 佳能株式会社 图像拾取设备和图像拾取方法
CN101552911A (zh) * 2009-04-14 2009-10-07 陈秀祥 远程户外监控装置及自动监测控制方法
JP2011118021A (ja) * 2009-12-01 2011-06-16 Canon Inc 撮像装置及びその制御方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5384615A (en) * 1993-06-08 1995-01-24 Industrial Technology Research Institute Ambient depth-of-field simulation exposuring method
JP2001281529A (ja) * 2000-03-29 2001-10-10 Minolta Co Ltd デジタルカメラ
JP4552974B2 (ja) 2007-06-22 2010-09-29 カシオ計算機株式会社 カメラ装置、フォーカス制御方法及びプログラム
JP5098714B2 (ja) 2008-03-12 2012-12-12 株式会社ニコン 測距装置および撮像装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1716078A (zh) * 2004-06-03 2006-01-04 佳能株式会社 图像拾取设备和图像拾取方法
CN101552911A (zh) * 2009-04-14 2009-10-07 陈秀祥 远程户外监控装置及自动监测控制方法
JP2011118021A (ja) * 2009-12-01 2011-06-16 Canon Inc 撮像装置及びその制御方法

Also Published As

Publication number Publication date
JP2018077457A (ja) 2018-05-17
TWI680339B (zh) 2019-12-21
CN107835357A (zh) 2018-03-23
EP3296788A1 (en) 2018-03-21
JP6537568B2 (ja) 2019-07-03
TW201814387A (zh) 2018-04-16
KR20180030437A (ko) 2018-03-23
EP3296788B1 (en) 2018-08-22
US10324268B2 (en) 2019-06-18
KR101943564B1 (ko) 2019-01-29
US20180074287A1 (en) 2018-03-15

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