Process for the interpretation of remotely sensed data

Details Process for the interpretation of remotely sensed data Process for the interpretation of remotely sensed data

1973-04-19

1977-07-19

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358 93, H04N 718

Patent

active

040370488

ABSTRACT:
A process for interpreting remotely sensed data to determine the nature and presence of several conditions. Data sensed at two different wave bands are mathematically divided to determine the ratio of the energies coming from the observed object at the two wave bands. Unlike density addition or subtraction which furnish only the difference in the densities on the film, the step of mathematical division produces a change in pattern as well as density. The changes in the pattern can be interpreted to provide additional information from the data.

REFERENCES:
piech, Kenneth R. and John E. Walker, "Thematic Mapping of Flooded Acreage", Photogrammetric Engineering, Nov. 1972, pp. 1081-1090 and color photograph.
Mees, C. E., Kenneth, The Theory of the Photographic Process, Revised Edition, New York: Macmillan, 1963, 952-955, 968, 969.
Data Users Handbook, NASA Earth Resources Technology Satellite, General Electric Report 71-SD-4249, Revision of Nov. 17, 1972.
Billingsley, F. C., A. F. H. Goetz and J. N. Lindsley, "Color Differentiation by Computer Image Processing", Photographic Science and Engineering, vol. 14, No. 1, Jan. - Feb. 1970, pp. 28-35.
Chandler, P. B., W. I. Dowdy and D. T. Hodder, Study to Evaluate the Utility of Aerial Surveillance Methods in Water Quality Monitoring, California State Water Resources Control Board, Sept. 1970, 5-12, 19, 20, 29-34, 45-50, 69-71, 78-80, VI-2 and VI-3.

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