Accession Number : AD0745995

Title :   Temporal Pattern Analysis Using Multidimensional Discrete Fourier Transforms.

Descriptive Note : Master's thesis,

Corporate Author : AIR FORCE INST OF TECH WRIGHT-PATTERSON AFB OHIO SCHOOL OF ENGINEERING

Personal Author(s) : Barber,Gary H.

Report Date : MAY 1972

Pagination or Media Count : 139

Abstract : The purpose of the paper is to extend an existing two-dimensional Fourier transform model of the human visual system to include a temporal dimension. The first analysis considered used three dimensions, two representing space and the third representing time; it was found that by use of a temporal low-pass filter, periodic patterns could be separated from aperiodic. A subsequent analysis used only two dimensions, one representing a spatial dimension and the other time. By intermittent intensity variation upon the temporal pattern, a predicted psycho-perceptual effect was found in the model which was isomorphic to certain human perception phenomena. Further agreement with psychophysical data was found in the spatio-temporal relationship. (Author)

Descriptors :   (*PATTERN RECOGNITION, *VISUAL PERCEPTION), BIONICS, INTEGRAL TRANSFORMS, BRAIN, RESPONSE(BIOLOGY), CURVE FITTING, GRAPHICS, COMPUTER PROGRAMMING

Subject Categories : Bionics

Distribution Statement : APPROVED FOR PUBLIC RELEASE