CN103503433B - 图像的聚焦误差估计 - Google Patents

图像的聚焦误差估计 Download PDF

Info

Publication number
CN103503433B
CN103503433B CN201280008944.2A CN201280008944A CN103503433B CN 103503433 B CN103503433 B CN 103503433B CN 201280008944 A CN201280008944 A CN 201280008944A CN 103503433 B CN103503433 B CN 103503433B
Authority
CN
China
Prior art keywords
wave filter
group
defocusing
image
defocusing degree
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.)
Expired - Fee Related
Application number
CN201280008944.2A
Other languages
English (en)
Chinese (zh)
Other versions
CN103503433A (zh
Inventor
W·吉斯勒
J·伯格
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.)
University of Texas System
Original Assignee
University of Texas System
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 University of Texas System filed Critical University of Texas System
Publication of CN103503433A publication Critical patent/CN103503433A/zh
Application granted granted Critical
Publication of CN103503433B publication Critical patent/CN103503433B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70Circuitry for compensating brightness variation in the scene
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28Systems for automatic generation of focusing signals
    • G02B7/36Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60Control of cameras or camera modules
    • H04N23/67Focus control based on electronic image sensor signals
    • H04N23/672Focus control based on electronic image sensor signals based on the phase difference signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60Control of cameras or camera modules
    • H04N23/67Focus control based on electronic image sensor signals
    • H04N23/673Focus control based on electronic image sensor signals based on contrast or high frequency components of image signals, e.g. hill climbing method

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Studio Devices (AREA)
  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)
CN201280008944.2A 2011-02-25 2012-02-27 图像的聚焦误差估计 Expired - Fee Related CN103503433B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201161446566P 2011-02-25 2011-02-25
US61/446,566 2011-02-25
PCT/US2012/026817 WO2012161829A2 (en) 2011-02-25 2012-02-27 Focus error estimation in images

Publications (2)

Publication Number Publication Date
CN103503433A CN103503433A (zh) 2014-01-08
CN103503433B true CN103503433B (zh) 2017-01-18

Family

ID=47217946

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201280008944.2A Expired - Fee Related CN103503433B (zh) 2011-02-25 2012-02-27 图像的聚焦误差估计

Country Status (8)

Country Link
US (1) US8917346B2 (enExample)
EP (1) EP2678999A4 (enExample)
JP (1) JP5866383B2 (enExample)
KR (1) KR101824936B1 (enExample)
CN (1) CN103503433B (enExample)
CA (1) CA2827236C (enExample)
MX (1) MX2013009389A (enExample)
WO (1) WO2012161829A2 (enExample)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6000773B2 (ja) * 2012-09-13 2016-10-05 キヤノン株式会社 収差推定方法、プログラムおよび撮像装置
US9897792B2 (en) * 2012-11-30 2018-02-20 L&T Technology Services Limited Method and system for extended depth of field calculation for microscopic images
US9214011B2 (en) 2014-05-05 2015-12-15 Sony Corporation Camera defocus direction estimation
US9516302B1 (en) * 2014-11-14 2016-12-06 Amazon Techologies, Inc. Automated focusing of a camera module in production
FR3030971A1 (fr) 2014-12-17 2016-06-24 Stmicroelectronics (Grenoble 2) Sas Procede d'estimation de flou independant du contenu de la scene et utilisation dans un systeme de mise au point automatique
JP6485116B2 (ja) * 2015-02-27 2019-03-20 富士通株式会社 合焦位置検出装置、合焦位置検出方法及び合焦位置検出用コンピュータプログラム
GB201512278D0 (en) * 2015-07-14 2015-08-19 Apical Ltd Hybrid neural network
KR102523643B1 (ko) 2015-10-26 2023-04-20 삼성전자주식회사 이미지 신호 프로세서의 작동 방법과 상기 이미지 신호 프로세서를 포함하는 이미지 처리 시스템의 작동 방법
US9930243B2 (en) 2016-05-02 2018-03-27 Mitutoyo Corporation Variable focal length imaging system
US9736355B1 (en) * 2016-05-03 2017-08-15 Mitutoyo Corporation Phase difference calibration in a variable focal length lens system
US11291430B2 (en) * 2016-07-14 2022-04-05 Insightec, Ltd. Precedent-based ultrasound focusing
JP7059185B2 (ja) * 2016-08-16 2022-04-25 ソニーセミコンダクタソリューションズ株式会社 画像処理装置、画像処理方法、および撮像装置
KR101948674B1 (ko) 2016-10-20 2019-02-18 (주)하이모 포터블 스캐너 및 그 스캐닝 방법
US20220087813A1 (en) * 2019-01-31 2022-03-24 The Trustees Of The University Of Pennsylvania Anti-pulfrich monovision ophthalmic correction
CN112213728A (zh) * 2019-07-11 2021-01-12 深圳市优必选科技股份有限公司 一种超声测距方法、装置、计算机可读存储介质及机器人
CN112417703B (zh) * 2020-12-03 2023-01-03 中国人民解放军国防科技大学 一种大规模符号的自适应标绘方法
KR20230037102A (ko) 2021-09-08 2023-03-16 삼성전자주식회사 주사 전자 현미경 장치, 반도체 생산 장치, 및 그 제어 방법

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101465943A (zh) * 2007-12-21 2009-06-24 索尼株式会社 图像处理设备、图像处理方法、程序和学习设备

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6677565B1 (en) * 1998-08-18 2004-01-13 Veeco Tucson Inc. High speed autofocus and tilt for an optical imaging system
JP2001103358A (ja) * 1999-09-30 2001-04-13 Mitsubishi Electric Corp 色収差補正装置
JP2002116372A (ja) * 2000-10-10 2002-04-19 Ricoh Co Ltd 自動合焦装置、その合焦方法、およびその方法をコンピュータで実行するためのプログラムが格納されているコンピュータが読み取り可能な記録媒体
JP2006216865A (ja) * 2005-02-04 2006-08-17 Canon Inc 判別方法及び装置、露光装置、並びにデバイス製造方法
JP4437228B2 (ja) * 2005-11-07 2010-03-24 大学共同利用機関法人情報・システム研究機構 焦点ぼけ構造を用いたイメージング装置及びイメージング方法
JP2008046484A (ja) * 2006-08-18 2008-02-28 Olympus Corp 自動焦点検出装置及び自動焦点検出方法
US8068688B2 (en) * 2008-05-27 2011-11-29 Nikon Corporation Device and method for estimating defocus blur size in an image
US8538140B2 (en) * 2008-06-23 2013-09-17 Nikon Corporation Device and method for detecting whether an image is blurred
US8218061B2 (en) * 2008-09-04 2012-07-10 Csr Technology Inc. Apparatus, method, and manufacture for iterative auto-focus using depth-from-defocus
US8374389B2 (en) * 2009-02-06 2013-02-12 Robert Bosch Gmbh Iris deblurring method based on global and local iris image statistics
US8368964B2 (en) * 2009-08-06 2013-02-05 Xerox Corporation Method for estimation of image defocus and defocus restoration
US8373789B2 (en) * 2010-02-18 2013-02-12 Ju Jin Auto focus system and auto focus method
US8503801B2 (en) * 2010-09-21 2013-08-06 Adobe Systems Incorporated System and method for classifying the blur state of digital image pixels

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101465943A (zh) * 2007-12-21 2009-06-24 索尼株式会社 图像处理设备、图像处理方法、程序和学习设备

Also Published As

Publication number Publication date
KR20140057190A (ko) 2014-05-12
JP2014511508A (ja) 2014-05-15
CN103503433A (zh) 2014-01-08
WO2012161829A3 (en) 2013-02-28
WO2012161829A2 (en) 2012-11-29
US8917346B2 (en) 2014-12-23
CA2827236A1 (en) 2012-11-29
US20130329122A1 (en) 2013-12-12
CA2827236C (en) 2020-07-14
KR101824936B1 (ko) 2018-02-02
JP5866383B2 (ja) 2016-02-17
EP2678999A2 (en) 2014-01-01
MX2013009389A (es) 2014-03-27
EP2678999A4 (en) 2015-12-16

Similar Documents

Publication Publication Date Title
CN103503433B (zh) 图像的聚焦误差估计
US10547786B2 (en) Image processing for turbulence compensation
US8432479B2 (en) Range measurement using a zoom camera
US8049811B2 (en) Automatic focusing apparatus and method for digital images using automatic filter switching
EP2642245B1 (en) Image pickup device and distance measuring method
JP5869883B2 (ja) 画像処理装置
Cossairt et al. When does computational imaging improve performance?
CN102968800B (zh) 一种图像清晰度的评价方法
Sahin et al. Distortion optimization for wide-angle computational cameras
WO2004090581A2 (en) Systems and methods for minimizing aberrating effects in imaging systems
TW201702690A (zh) 延伸景深生物識別系統
US20170285319A1 (en) Digital microscope and focusing method thereof
US11347133B2 (en) Image capturing apparatus, image processing apparatus, control method, and storage medium
Burge et al. Optimal defocus estimates from individual images for autofocusing a digital camera
CN107209061B (zh) 用于确定场景相关电磁场的复振幅的方法
US10838165B2 (en) Plenoptic zoom with optimised range
Xu et al. Robust passive autofocus system for mobile phone camera applications
US20180220047A1 (en) System and method of correcting imaging errors for a telescope by referencing a field of view of the telescope
Wang et al. The influence of chromatic aberration on demosaicking
Lehmann et al. Resolution and accuracy of non-linear regression of PSF with artificial neural networks
Gwak et al. Modeling nonstationary lens blur using eigen blur kernels for restoration
Masoudifar et al. Quality assessment based coded apertures for defocus deblurring
Burge Accurate Image‐Based Estimates of Focus Error in the Human Eye and in a Smartphone Camera
Nazir et al. Self-supervised Defocus Map Estimation and Auxiliary Image Deblurring Given a Single Defocused Image
Simpkins et al. Mapping measurable quantities of point-spread function observations to Seidel aberration coefficients

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
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170118

Termination date: 20210227