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:

1972-05-01

Pagination or Media Count:

139.0

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