DEVELOPMENT AND TEST OF VIDEO SYSTEMS FOR AIRBORNE SURVEILLANCE OF OIL SPILLS

Five video systems - potentially useful for airborne surveillance of oil spills - were developed, flight-tested, and evaluated. The systems are: (1) conventional black and white TV; (2) conventional TV with false color; (3) differential TV; (4) prototype Lunar Surface TV; and (5) field-sequential TV. Wavelength and polarization filtering were utilized in all systems. Greatly enhanced detection of oil spills, relative to that possible with the unaided eye, was achieved. The most practical video system is a conventional TV camera with silicon-diode-array image tube, filtered with a Corning 7-54 filter and a polarizer oriented with its principal axis in the horizontal direction. Best contrast between oil and water was achieved when winds and sea states were low. The minimum detectable oil film thickness was about 0.1 micrometer. (Author)

• Corporate Authors:

  Ames Research Center

  National Aeronautics and Space Administration
  Moffett Field, CA  United States  94035

  United States Coast Guard

  Office of Research and Development, 400 7th Street, NW
  Washington, DC  United States  20590
• Authors:
  • Millard, J P
  • Arvesen, J C
  • Lewis, P L
• Publication Date: 1975-3

Media Info

• Pagination: 27 p.

Subject/Index Terms

• TRT Terms: Diodes; Environmental protection; Oceans; Oil spills; Optical detectors; Phased arrays; Polarized light; Remote sensing; Semiconductor devices; Semiconductors; Silicon; Surveillance; Television; Television cameras; Water pollution; Wavelength
• Uncontrolled Terms: Airborne
• Old TRIS Terms: Arrays; Image tubes; Optical detection; Polarizing filters
• Subject Areas: Environment;

Filing Info

• Accession Number: 00092270
• Record Type: Publication
• Source Agency: National Technical Information Service
• Report/Paper Numbers: Final Rpt., USCG-D-95-75
• Files: NTIS
• Created Date: Nov 5 1976 12:00AM