A Commission VII (Photointerpretation) Invited Paper 
  
AUTOMATIC EXTRACTION OF INFORMATION 
FROM MULTISPECTRAL SCANNER DATA 
Jon D. Erickson 
delivered to the 
12th International Congress 1972 of the 
International Society for Photogrammetry 
Civic Centre, Ottawa, Canada 
August 4, 1972 
and published in the 
International Archives of Photogrammetry 
Volume 17 
ENVIRONMENTAL 
RESEARCH INSTITUTE 
OF MICHIGAN 
FORMERLY WILLOW RUN LABORATORIES. 
THE UNIVERSITY OF MICHIGAN 
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Ann Arbor, Michigan 48107