DD95291A1 - - Google Patents

Info

Publication number
DD95291A1
DD95291A1 DD161563A DD16156372A DD95291A1 DD 95291 A1 DD95291 A1 DD 95291A1 DD 161563 A DD161563 A DD 161563A DD 16156372 A DD16156372 A DD 16156372A DD 95291 A1 DD95291 A1 DD 95291A1
Authority
DD
German Democratic Republic
Application number
DD161563A
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 filed Critical
Priority to DD161563A priority Critical patent/DD95291A1/xx
Priority to FR7230737A priority patent/FR2175719B1/fr
Publication of DD95291A1 publication Critical patent/DD95291A1/xx
Priority to DE2304232A priority patent/DE2304232A1/de

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G02B27/46—Systems using spatial filters
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/88—Image or video recognition using optical means, e.g. reference filters, holographic masks, frequency domain filters or spatial domain filters

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Image Analysis (AREA)
  • Character Discrimination (AREA)
DD161563A 1972-03-16 1972-03-16 DD95291A1 (enrdf_load_stackoverflow)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DD161563A DD95291A1 (enrdf_load_stackoverflow) 1972-03-16 1972-03-16
FR7230737A FR2175719B1 (enrdf_load_stackoverflow) 1972-03-16 1972-08-30
DE2304232A DE2304232A1 (de) 1972-03-16 1973-01-29 Optisches filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD161563A DD95291A1 (enrdf_load_stackoverflow) 1972-03-16 1972-03-16

Publications (1)

Publication Number Publication Date
DD95291A1 true DD95291A1 (enrdf_load_stackoverflow) 1973-01-22

Family

ID=5485748

Family Applications (1)

Application Number Title Priority Date Filing Date
DD161563A DD95291A1 (enrdf_load_stackoverflow) 1972-03-16 1972-03-16

Country Status (3)

Country Link
DD (1) DD95291A1 (enrdf_load_stackoverflow)
DE (1) DE2304232A1 (enrdf_load_stackoverflow)
FR (1) FR2175719B1 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
DE2304232A1 (de) 1973-09-27
FR2175719B1 (enrdf_load_stackoverflow) 1976-08-13
FR2175719A1 (enrdf_load_stackoverflow) 1973-10-26

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