AT348045B - DEVICE FOR COMPARING IMAGES - Google Patents

DEVICE FOR COMPARING IMAGES

Info

Publication number
AT348045B
AT348045B AT534474A AT534474A AT348045B AT 348045 B AT348045 B AT 348045B AT 534474 A AT534474 A AT 534474A AT 534474 A AT534474 A AT 534474A AT 348045 B AT348045 B AT 348045B
Authority
AT
Austria
Prior art keywords
comparing images
images
comparing
desc
page number
Prior art date
Application number
AT534474A
Other languages
German (de)
Other versions
ATA534474A (en
Original Assignee
Bolsey Emil J
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 Bolsey Emil J filed Critical Bolsey Emil J
Priority to AT534474A priority Critical patent/AT348045B/en
Publication of ATA534474A publication Critical patent/ATA534474A/en
Application granted granted Critical
Publication of AT348045B publication Critical patent/AT348045B/en

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
    • 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
    • G08B13/19604—Image analysis to detect motion of the intruder, e.g. by frame subtraction involving reference image or background adaptation with time to compensate for changing conditions, e.g. reference image update on detection of light level change
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Toys (AREA)
  • Image Processing (AREA)

Description

  

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Claims (1)

EMI8.2 EMI8.2
AT534474A 1974-06-27 1974-06-27 DEVICE FOR COMPARING IMAGES AT348045B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT534474A AT348045B (en) 1974-06-27 1974-06-27 DEVICE FOR COMPARING IMAGES

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT534474A AT348045B (en) 1974-06-27 1974-06-27 DEVICE FOR COMPARING IMAGES

Publications (2)

Publication Number Publication Date
ATA534474A ATA534474A (en) 1978-06-15
AT348045B true AT348045B (en) 1979-01-25

Family

ID=3574759

Family Applications (1)

Application Number Title Priority Date Filing Date
AT534474A AT348045B (en) 1974-06-27 1974-06-27 DEVICE FOR COMPARING IMAGES

Country Status (1)

Country Link
AT (1) AT348045B (en)

Also Published As

Publication number Publication date
ATA534474A (en) 1978-06-15

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee