CA1318393C - Dispositif photometrique - Google Patents

Dispositif photometrique

Info

Publication number
CA1318393C
CA1318393C CA000581537A CA581537A CA1318393C CA 1318393 C CA1318393 C CA 1318393C CA 000581537 A CA000581537 A CA 000581537A CA 581537 A CA581537 A CA 581537A CA 1318393 C CA1318393 C CA 1318393C
Authority
CA
Canada
Prior art keywords
image
camera
luminance
user
activity
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
CA000581537A
Other languages
English (en)
Inventor
Mark Stanley Rea
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.)
Canada, PUBLIC WORKS AND GOVERNMENT SERVICES, Minister of
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CA000581537A priority Critical patent/CA1318393C/fr
Application granted granted Critical
Publication of CA1318393C publication Critical patent/CA1318393C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50Constructional details
    • H04N23/55Optical parts specially adapted for electronic image sensors; Mounting thereof
    • 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
    • H04N23/76Circuitry for compensating brightness variation in the scene by influencing the image signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/60Noise processing, e.g. detecting, correcting, reducing or removing noise
    • H04N25/67Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response
    • H04N25/671Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response for non-uniformity detection or correction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N17/00Diagnosis, testing or measuring for television systems or their details
    • H04N17/002Diagnosis, testing or measuring for television systems or their details for television cameras

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
CA000581537A 1988-10-27 1988-10-27 Dispositif photometrique Expired - Fee Related CA1318393C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA000581537A CA1318393C (fr) 1988-10-27 1988-10-27 Dispositif photometrique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA000581537A CA1318393C (fr) 1988-10-27 1988-10-27 Dispositif photometrique

Publications (1)

Publication Number Publication Date
CA1318393C true CA1318393C (fr) 1993-05-25

Family

ID=4138992

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000581537A Expired - Fee Related CA1318393C (fr) 1988-10-27 1988-10-27 Dispositif photometrique

Country Status (1)

Country Link
CA (1) CA1318393C (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1833445B (zh) * 2003-07-29 2011-11-16 伊瑞姆Cctv国际公司 适用于面部识别的包含监视设备的可旋转凸窗开关箱系统
CN113873155A (zh) * 2021-09-26 2021-12-31 烽火通信科技股份有限公司 一种增强软光敏模式判断准确率的方法和装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1833445B (zh) * 2003-07-29 2011-11-16 伊瑞姆Cctv国际公司 适用于面部识别的包含监视设备的可旋转凸窗开关箱系统
CN113873155A (zh) * 2021-09-26 2021-12-31 烽火通信科技股份有限公司 一种增强软光敏模式判断准确率的方法和装置
CN113873155B (zh) * 2021-09-26 2023-06-09 烽火通信科技股份有限公司 一种增强软光敏模式判断准确率的方法和装置

Similar Documents

Publication Publication Date Title
US4962425A (en) Photometric device
CA2171574C (fr) Appareil de mesure photometrique
US5757425A (en) Method and apparatus for independently calibrating light source and photosensor arrays
Rea et al. A new luminance and image analysis system for lighting and vision I. Equipment and calibration
JP2954704B2 (ja) 微小画像信号の動的補正方法と装置
US7733391B2 (en) Method and system for black-level correction on digital image data
EP1754191B1 (fr) Caracterisation d'un systeme d'imagerie numerique
US6900884B2 (en) Automatic measurement of the modulation transfer function of an optical system
US7583293B2 (en) Apparatus and method for generating multi-image scenes with a camera
US8693803B2 (en) High linear dynamic range imaging
Ramm et al. Video and scanning microdensitometer-based imaging systems in autoradiographic densitometry
US20010031078A1 (en) Methods for measuring DMD low frequency spatial uniformity
Blommel et al. Effects of microscan operation on staring infrared sensor imagery
CA1318393C (fr) Dispositif photometrique
KR100417629B1 (ko) 촬영시스템
CN1856033A (zh) 聚焦胶片扫描器的方法以及执行该方法的胶片扫描器
JP3314923B2 (ja) 路面水分検知方法および路面水分検知装置
JP2000081368A (ja) Lcd パネル画質検査方法、lcd パネル画質検査装置及び画像取込方法
Boiangiu et al. Target Validation and Image Color Calibration
Weaver et al. Development of a second-generation, video-based luminance mapper for daylighting research
US5117112A (en) Method and apparatus for monitoring astigmatism and focus in electron microscope
KR100636883B1 (ko) 화상독취장치 및 화상독취방법
Williams et al. Recent advances in testing of thermal imagers
Roberts et al. Robust incoherent fiber optic bundle decoder
Mraz et al. Guidelines for performance assessment of digital imaging systems used in highway applications

Legal Events

Date Code Title Description
MKLA Lapsed
MKLA Lapsed

Effective date: 20070525