Spatio-temporal discrimination model predicts temporal masking functions

被引：0
|
作者：
Ahumada, AJ [1 ]
Beard, BL [1 ]
Eriksson, R [1 ]
机构：
[1] NASA, Ames Res Ctr, Moffett Field, CA 94035 USA
来源：
HUMAN VISION AND ELECTRONIC IMAGING III | 1998年 / 3299卷
关键词：
video; image quality; masking; vision models; target detection;
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
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.
引用
收藏
页码：120 / 127
页数：8
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