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

图像的聚焦误差估计 Download PDF

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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
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China
Prior art keywords
defocus
degrees
filter
optical system
image
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Expired - Fee Related
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CN201280008944.2A
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English (en)
Chinese (zh)
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CN103503433A (zh
Inventor
W·吉斯勒
J·伯格
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University of Texas System
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University of Texas System
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70—Circuitry for compensating brightness variation in the scene
    • 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
    • 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
    • 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

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  • 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

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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 (https=)
EP (1) EP2678999A4 (https=)
JP (1) JP5866383B2 (https=)
KR (1) KR101824936B1 (https=)
CN (1) CN103503433B (https=)
CA (1) CA2827236C (https=)
MX (1) MX2013009389A (https=)
WO (1) WO2012161829A2 (https=)

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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
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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
CN109640830B (zh) * 2016-07-14 2021-10-19 医视特有限公司 基于先例的超声聚焦
EP3503530A4 (en) * 2016-08-16 2019-08-21 Sony Semiconductor Solutions Corporation Image processing device, image processing method and imaging device
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
KR102905852B1 (ko) 2021-09-08 2026-01-02 삼성전자주식회사 주사 전자 현미경 장치, 반도체 생산 장치, 및 그 제어 방법

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Also Published As

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

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Termination date: 20210227