CN106054379B - 用于确定变焦镜头焦距的方法 - Google Patents

用于确定变焦镜头焦距的方法 Download PDF

Info

Publication number
CN106054379B
CN106054379B CN201610172709.9A CN201610172709A CN106054379B CN 106054379 B CN106054379 B CN 106054379B CN 201610172709 A CN201610172709 A CN 201610172709A CN 106054379 B CN106054379 B CN 106054379B
Authority
CN
China
Prior art keywords
function
identified
distortion correction
image
edge
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.)
Active
Application number
CN201610172709.9A
Other languages
English (en)
Chinese (zh)
Other versions
CN106054379A (zh
Inventor
约纳斯·耶尔姆斯特伦
安德里亚·尼尔森
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.)
Axis AB
Original Assignee
Axis AB
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Axis AB filed Critical Axis AB
Publication of CN106054379A publication Critical patent/CN106054379A/zh
Application granted granted Critical
Publication of CN106054379B publication Critical patent/CN106054379B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G02B27/4205—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive optical element [DOE] contributing to image formation, e.g. whereby modulation transfer function MTF or optical aberrations are relevant
    • G02B27/4216—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive optical element [DOE] contributing to image formation, e.g. whereby modulation transfer function MTF or optical aberrations are relevant correcting geometrical aberrations
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/0012—Optical design, e.g. procedures, algorithms, optimisation routines
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/80—Geometric correction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/222—Studio circuitry; Studio devices; Studio equipment
    • H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
    • H04N5/2628—Alteration of picture size, shape, position or orientation, e.g. zooming, rotation, rolling, perspective, translation
    • 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
    • G02B7/02—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
    • 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
    • G03B3/10—Power-operated focusing
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformations in the plane of the image
    • G06T3/18—Image warping, e.g. rearranging pixels individually
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/13—Edge detection
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/80—Analysis of captured images to determine intrinsic or extrinsic camera parameters, i.e. camera calibration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N17/00—Diagnosis, testing or measuring for television systems or their details
    • H04N17/002—Diagnosis, testing or measuring for television systems or their details for television cameras
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/80—Camera processing pipelines; Components thereof
    • H04N23/81—Camera processing pipelines; Components thereof for suppressing or minimising disturbance in the image signal generation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/60—Noise processing, e.g. detecting, correcting, reducing or removing noise
    • H04N25/61—Noise processing, e.g. detecting, correcting, reducing or removing noise the noise originating only from the lens unit, e.g. flare, shading, vignetting or "cos4"

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Geometry (AREA)
  • General Engineering & Computer Science (AREA)
  • Studio Devices (AREA)
  • Image Processing (AREA)
  • Lens Barrels (AREA)
CN201610172709.9A 2015-04-02 2016-03-24 用于确定变焦镜头焦距的方法 Active CN106054379B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP15162434.3 2015-04-02
EP15162434.3A EP3076657B1 (en) 2015-04-02 2015-04-02 Method for determination of focal length for a zoom lens

Publications (2)

Publication Number Publication Date
CN106054379A CN106054379A (zh) 2016-10-26
CN106054379B true CN106054379B (zh) 2017-12-15

Family

ID=52987920

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610172709.9A Active CN106054379B (zh) 2015-04-02 2016-03-24 用于确定变焦镜头焦距的方法

Country Status (6)

Country Link
US (2) US9888187B2 (enExample)
EP (1) EP3076657B1 (enExample)
JP (1) JP6275763B2 (enExample)
KR (1) KR101843516B1 (enExample)
CN (1) CN106054379B (enExample)
TW (1) TWI659202B (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5924020B2 (ja) * 2012-02-16 2016-05-25 セイコーエプソン株式会社 プロジェクター、及び、プロジェクターの制御方法
EP3076657B1 (en) * 2015-04-02 2017-05-24 Axis AB Method for determination of focal length for a zoom lens
CN110337805B (zh) * 2017-03-01 2021-03-23 富士胶片株式会社 摄像装置、图像处理装置、图像处理方法及存储介质
CN107317953B (zh) * 2017-06-30 2020-09-01 上海兆芯集成电路有限公司 图像获取方法及其装置
US11677916B2 (en) 2019-02-28 2023-06-13 Wet System and method of altering the appearance of liquid and solid physical objects or forms
CN111507924B (zh) * 2020-04-27 2023-09-29 北京百度网讯科技有限公司 视频帧的处理方法和装置
CN112637481B (zh) * 2020-11-25 2022-03-29 华为技术有限公司 图像缩放方法和装置
EP4390849B1 (en) * 2022-12-20 2025-02-26 Axis AB Method and image-processing device for determining a lens distortion correction for an interchangeable camera lens
US20250104203A1 (en) * 2023-09-22 2025-03-27 Microsoft Technology Licensing, Llc Distortion correction for digital image sub-division
CN120070601B (zh) * 2025-04-29 2025-07-29 武汉大学 一种基于深度学习的无标定板变焦相机自标定方法及系统

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10171A (en) * 1853-10-25 Improvement in screw-nails
JP3974964B2 (ja) * 1996-11-08 2007-09-12 オリンパス株式会社 画像処理装置
US6101288A (en) * 1997-07-28 2000-08-08 Digital Equipment Corporation Method for recovering radial distortion parameters from a single camera image
JP2003530039A (ja) * 2000-04-04 2003-10-07 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ パノラマ／チルト／ズームカメラの自動較正
KR20040058277A (ko) * 2001-11-13 2004-07-03 코닌클리즈케 필립스 일렉트로닉스 엔.브이. 캘리브레이션 유도 방법, 이미지 처리 방법 및 이미지시스템
US7349580B2 (en) * 2003-06-03 2008-03-25 Topcon Corporation Apparatus and method for calibrating zoom lens
JP4681856B2 (ja) * 2004-11-24 2011-05-11 アイシン精機株式会社 カメラの校正方法及びカメラの校正装置
JP4250620B2 (ja) * 2005-07-29 2009-04-08 キヤノン株式会社 情報処理方法および装置
US7496241B1 (en) 2005-09-08 2009-02-24 Goodrich Corporation Precision optical systems with performance characterization and uses thereof
US7912317B2 (en) * 2005-10-29 2011-03-22 Apple Inc. Estimating and removing lens distortion from scenes
JP4714174B2 (ja) * 2007-03-27 2011-06-29 富士フイルム株式会社 撮像装置
US8089555B2 (en) * 2007-05-25 2012-01-03 Zoran Corporation Optical chromatic aberration correction and calibration in digital cameras
CN201222121Y (zh) * 2007-12-28 2009-04-15 中国科学院长春光学精密机械与物理研究所 一种检测变焦距镜头视轴晃动的双十字丝分划板
JP4989557B2 (ja) * 2008-02-05 2012-08-01 矢崎総業株式会社 交通事故解析装置、交通事故解析方法、及びプログラム
US8405720B2 (en) * 2008-08-08 2013-03-26 Objectvideo, Inc. Automatic calibration of PTZ camera system
US8194995B2 (en) 2008-09-30 2012-06-05 Sony Corporation Fast camera auto-focus
JP2011239008A (ja) * 2010-05-06 2011-11-24 Panasonic Corp 撮像装置、補正係数算出方法およびプログラム
JP5177184B2 (ja) * 2010-07-30 2013-04-03 株式会社ニコン 焦点調節装置および撮像装置
EP2448246B1 (en) 2010-10-28 2019-10-09 Axis AB Method for focusing
KR101172629B1 (ko) 2011-01-04 2012-08-08 포항공과대학교 산학협력단 영상 처리 방법 및 이를 위한 장치
CN102136143B (zh) 2011-03-17 2012-07-18 北京师范大学 基于空间共线点的单光心反射折射摄像机焦距标定方法
RU2601421C2 (ru) * 2012-11-29 2016-11-10 Ксир Способ и система калибровки камеры
DE102013012988A1 (de) * 2013-08-03 2015-02-05 Carl Zeiss Microscopy Gmbh Verfahren zur Kalibrierung eines digitalen optischen Abbildungssystems, Verfahren zur Korrektur von Abbildungsfehlern in einem digitalen optischen Abbildungssystem, sowie digitales optisches Abblildungssystem
EP3076657B1 (en) * 2015-04-02 2017-05-24 Axis AB Method for determination of focal length for a zoom lens

Also Published As

Publication number Publication date
US20180124329A1 (en) 2018-05-03
JP2016197856A (ja) 2016-11-24
TWI659202B (zh) 2019-05-11
US20160295131A1 (en) 2016-10-06
EP3076657A1 (en) 2016-10-05
US9888187B2 (en) 2018-02-06
TW201636589A (zh) 2016-10-16
EP3076657B1 (en) 2017-05-24
CN106054379A (zh) 2016-10-26
KR20160118948A (ko) 2016-10-12
JP6275763B2 (ja) 2018-02-07
US10091437B2 (en) 2018-10-02
KR101843516B1 (ko) 2018-03-30

Similar Documents

Publication Publication Date Title
CN106054379B (zh) 用于确定变焦镜头焦距的方法
CN107533753B (zh) 图像处理装置
CN112541395A (zh) 一种目标检测和跟踪方法、装置、存储介质及电子装置
CN103327245B (zh) 一种红外成像系统的自动对焦方法
CN109117801A (zh) 人脸识别的方法、装置、终端及计算机可读存储介质
US20120163704A1 (en) Apparatus and method for stereo matching
CN101990065B (zh) 图像处理装置、图像拍摄装置、图像处理方法和程序
US9842278B2 (en) Image analysis and orientation correction for target object detection and validation
JPWO2011083669A1 (ja) ステレオカメラ装置
CN101299239A (zh) 文字区域图像的获取方法及装置、文字识别系统
CN106507102A (zh) 一种镜头校正方法及装置
US20080226159A1 (en) Method and System For Calculating Depth Information of Object in Image
JP2015207090A (ja) 画像処理装置、及びその制御方法
CN111507924B (zh) 视频帧的处理方法和装置
JP6958277B2 (ja) 異常判定方法及び装置
CN107392948B (zh) 一种分振幅实时偏振成像系统的图像配准方法
CN111815720A (zh) 图像处理方法、装置、可读存储介质及电子设备
CN112233020A (zh) 无人机图像拼接方法、装置、计算机设备及存储介质
CN108647680B (zh) 图像定位框检测方法和装置
CN110706263A (zh) 一种图像处理方法、装置、设备和计算机可读存储介质
CN117641137A (zh) 一种线阵相机坏点校正方法和装置
JP7467084B2 (ja) 撮像装置、撮像装置の制御方法及びプログラム
Guo et al. Sampling consensus by neighborhood interaction information for remote sensing image matching
CN118898795B (zh) 一种授粉区域的授粉蜜蜂密度检测方法及系统
CN117649367B (zh) 一种图像方位的校正方法及系统

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant