Accession Number : ADA116881

Title :   Interactive Digital Image Processing for Terrain Data Extraction.

Descriptive Note : Final rept. Oct 81-May 82 on Phase 3,

Corporate Author : GENERAL ELECTRIC CO LANHAM MD SPACE SYSTEMS DIV

Personal Author(s) : Wescott,Thomas F ; Dallam,William C

PDF Url : ADA116881

Report Date : May 1982

Pagination or Media Count : 143

Abstract : The Phase 3 of an experimental study has been performed to test several man-machine interactive digital image processing techniques for the extraction of forest related information including the outline of forested areas, tree stem location, tree stem densities and canopy closure. The techniques were applied to several different images covering a considerable range of forest types. Results of the digital processing were compared to a manual photo-interpretation and to actual field measurements. (Author)

Descriptors :   *Image processing, Forests, Aerial photographs, Optical data, Extraction, Digital systems, Interactive graphics, Trees, Canopies, Statistical analysis, Overlays

Subject Categories : Cartography and Aerial Photography

Distribution Statement : APPROVED FOR PUBLIC RELEASE