AUTOMATED PATTERN RECOGNITION WITH THERMAL IR IMAGERY

This paper proposes the employment of both day-and-night thermal-infrared imagery density values in a multivariate model for automatic pattern recognition. The analytical model is discriminatory analysis, utilizing the discriminatory function, derived from the day-and-night- density vectors, for pattern recognition and mapping purposes. For mapping purposes, two models are developed further. First, to identify and map single objects, such as houses, roads, and water, a point-classification system is used. The discriminant function is derived from only two vectors. Second, to identify scenes, such as residential areas, factories and croplands, an areal-classification model is used. The discriminant function is then derived from 10 parameters (5 from X-Z axes, and 5 from Y-Z axes) extracted from the density surface constructed by densitometer scanning and computer graphics. The results indicated that an accuracy rate of well over 85 percent can be accomplished for automatic mapping purposes. A low-cost automatic imagery interpretation system can be obtained.

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/issn/00991112
• Supplemental Notes:
  • Presented at the Fall Technical Meeting, American Society of Photogrammetry, Washington, D.C., September 1974.
• Corporate Authors:

  American Society of Photogrammetry

  105 North Virginia Avenue
  Falls Church, VA  United States  22046
• Authors:
  • Hsu, S
• Publication Date: 1975-5

Media Info

• Features: Figures; References;
• Pagination: p. 647-651
• Serial:
  • Photogrammetric Engineering and Remote Sensing
  • Volume: 41
  • Issue Number: 5
  • Publisher: American Society for Photogrammetry and Remote Sensing
  • ISSN: 0099-1112

Subject/Index Terms

• TRT Terms: Automation; Computer graphics; Densitometers; Discriminant analysis; Mapping; Pattern recognition systems; Population density; Thermal imagery
• Old TRIS Terms: Areal concentration; Discriminate analysis; Thermal infrared imagery
• Subject Areas: Design; Highways;

Filing Info

• Accession Number: 00097214
• Record Type: Publication
• Files: TRIS
• Created Date: Oct 18 1975 12:00AM