DE2348385C3 - Vorrichtung zur Erzeugung eines elektrischen Signals, welches ein optisches Bild darstellt - Google Patents

Vorrichtung zur Erzeugung eines elektrischen Signals, welches ein optisches Bild darstellt

Info

Publication number
DE2348385C3
DE2348385C3 DE2348385A DE2348385A DE2348385C3 DE 2348385 C3 DE2348385 C3 DE 2348385C3 DE 2348385 A DE2348385 A DE 2348385A DE 2348385 A DE2348385 A DE 2348385A DE 2348385 C3 DE2348385 C3 DE 2348385C3
Authority
DE
Germany
Prior art keywords
medium
image
electrical
film
frequency
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
Application number
DE2348385A
Other languages
German (de)
English (en)
Other versions
DE2348385A1 (de
DE2348385B2 (de
Inventor
Philipp G. North Syracuse Kornreich
Stephen T. Syracuse Kowel
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.)
Research Corp
Original Assignee
Research Corp
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 Research Corp filed Critical Research Corp
Publication of DE2348385A1 publication Critical patent/DE2348385A1/de
Publication of DE2348385B2 publication Critical patent/DE2348385B2/de
Application granted granted Critical
Publication of DE2348385C3 publication Critical patent/DE2348385C3/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
    • G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
    • G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
    • G08B13/19602—Image analysis to detect motion of the intruder, e.g. by frame subtraction
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/11—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on acousto-optical elements, e.g. using variable diffraction by sound or like mechanical waves
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/10—Image acquisition
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/10—Image acquisition
    • G06V10/12—Details of acquisition arrangements; Constructional details thereof
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/20—Image preprocessing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/40—Extraction of image or video features
    • G06V10/42—Global feature extraction by analysis of the whole pattern, e.g. using frequency domain transformations or autocorrelation
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
    • G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
    • G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
    • G08B13/19602—Image analysis to detect motion of the intruder, e.g. by frame subtraction
    • G08B13/1961—Movement detection not involving frame subtraction, e.g. motion detection on the basis of luminance changes in the image
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
    • G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
    • G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
    • G08B13/19634—Electrical details of the system, e.g. component blocks for carrying out specific functions
    • G08B13/19636—Electrical details of the system, e.g. component blocks for carrying out specific functions pertaining to the camera
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • Signal Processing (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Automatic Focus Adjustment (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
DE2348385A 1972-12-29 1973-09-26 Vorrichtung zur Erzeugung eines elektrischen Signals, welches ein optisches Bild darstellt Expired DE2348385C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US31968072A 1972-12-29 1972-12-29

Publications (3)

Publication Number Publication Date
DE2348385A1 DE2348385A1 (de) 1974-07-11
DE2348385B2 DE2348385B2 (de) 1979-05-31
DE2348385C3 true DE2348385C3 (de) 1980-01-31

Family

ID=23243247

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2348385A Expired DE2348385C3 (de) 1972-12-29 1973-09-26 Vorrichtung zur Erzeugung eines elektrischen Signals, welches ein optisches Bild darstellt

Country Status (8)

Country Link
JP (1) JPS561607B2 (US06811534-20041102-M00003.png)
CA (1) CA993098A (US06811534-20041102-M00003.png)
DE (1) DE2348385C3 (US06811534-20041102-M00003.png)
FR (1) FR2212561B1 (US06811534-20041102-M00003.png)
GB (1) GB1445119A (US06811534-20041102-M00003.png)
IT (1) IT1008040B (US06811534-20041102-M00003.png)
NL (1) NL7313380A (US06811534-20041102-M00003.png)
SU (2) SU724094A3 (US06811534-20041102-M00003.png)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5650253B2 (US06811534-20041102-M00003.png) * 1974-01-31 1981-11-27
JPS5340545A (en) * 1976-09-27 1978-04-13 Tsuneo Oshishiba Device for converting optical image to electric signal
FR2412867A1 (fr) * 1977-12-26 1979-07-20 Thomson Csf Dispositif de lecture acousto-electrique d'une image optique
EP3153253B1 (en) * 2015-10-05 2021-01-13 Ansaldo Energia IP UK Limited Method for treatment of metallic powder for selective laser melting

Also Published As

Publication number Publication date
FR2212561B1 (US06811534-20041102-M00003.png) 1980-02-15
SU724094A3 (ru) 1980-03-25
CA993098A (en) 1976-07-13
JPS4998649A (US06811534-20041102-M00003.png) 1974-09-18
GB1445119A (en) 1976-08-04
SU695588A3 (ru) 1979-10-30
NL7313380A (US06811534-20041102-M00003.png) 1974-07-02
DE2348385A1 (de) 1974-07-11
FR2212561A1 (US06811534-20041102-M00003.png) 1974-07-26
JPS561607B2 (US06811534-20041102-M00003.png) 1981-01-14
DE2348385B2 (de) 1979-05-31
IT1008040B (it) 1976-11-10

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
8339 Ceased/non-payment of the annual fee