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Proceedings Paper

Spatiotemporal discrimination model predicts temporal masking functions
Author(s): Albert J. Ahumada Jr.; Bettina L. Beard; Robert Eriksson
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Paper Abstract

We present a simplified dual-channel discrimination model with spatio-temporal filters to represent the visual system contrast sensitivity, and masking based on local spatio- temporal contrast energy. The contrast sensitivity filter parameters of the model were based on previous work. The masking and global sensitivity parameters are calibrated to masking data using brief grating target signals masked by a 700 msec grating with the same spatial parameters.

Paper Details

Date Published: 17 July 1998
PDF: 8 pages
Proc. SPIE 3299, Human Vision and Electronic Imaging III, (17 July 1998); doi: 10.1117/12.320103
Show Author Affiliations
Albert J. Ahumada Jr., NASA Ames Research Ctr. (United States)
Bettina L. Beard, NASA Ames Research Ctr. (United States)
Robert Eriksson, Institute of Optical Research (Sweden)

Published in SPIE Proceedings Vol. 3299:
Human Vision and Electronic Imaging III
Bernice E. Rogowitz; Thrasyvoulos N. Pappas, Editor(s)

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