RAPID CONTOUR GENERATION

TWO OPTICAL PROCESSING SYSTEMS FOR RAPID CONTOUR GENERATION FROM VERTICAL TRANSPARENCIES INCLUDE: THE POSITIVE-NEGATIVE SYSTEM THAT USES TRANSPARENCIES PROCESSED TO PLUS AND MINUS VALUES OF GAMMA, AND PRODUCES DARK CONTOURS ON A STRUCTURE FILLED BACK-GROUND; AND THE SCATTER-PLATE SYSTEM IN WHICH MATCHING IMAGERY PRODUCES BRIGHT CONTOUR BANDS ON A DARK FIELD. FOR A GIVEN X-PARALLAX SETTING ALL CONTOURS ARE DISPLAYED SIMULTANEOUSLY. EXPERIMENTAL WORK TREATS CLOSE-RANGE PHOTOGRAMMETRIC EXAMPLES. MATHEMATICAL AND EXPERIMENTAL METHODS PROVIDE A DETERMINATION OF THE HEIGHT DISCRIMINATION.

  • Authors:
    • Wertheimer, A
    • Givens, M P
  • Publication Date: 1974-4

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Filing Info

  • Accession Number: 00203086
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Jul 31 1974 12:00AM