Accession Number : ADD010925
Title : Incoherent Optical Heterodyne Fourier Transformer.
Descriptive Note : Patent Application,
Corporate Author : DEPARTMENT OF THE ARMY WASHINGTON DC
Personal Author(s) : McDonnell,M M
Report Date : 15 Sep 1982
Pagination or Media Count : 14
Abstract : This invention has significance in the area of automated image analysis for derivation of intelligence information from aerial photography or other image inputs. The Fourier Transform has proven itself to be useful for this purpose and this invention offers a lower noise Fourier Transform than is possible with known analog methods.
Descriptors : *Patent applications, *Optical processing, *Image processing, *Fourier transformation, Heterodyning, Low noise, Incoherence, Light, Aerial photography, Phase modulation, Transparence, Fresnel zones, Photographic plates
Subject Categories : Numerical Mathematics
Distribution Statement : APPROVED FOR PUBLIC RELEASE