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مقدار تصمیمپذیری
Furthermore, Table 5.2 and Table 5.3 show that encoding templates with multiple filters does not produce better decidability values, therefore the optimum number of filters is just one.
The 'CASIA-a' was sensitive to a centre wavelength of 18.0 pixels, which corresponded to a maximum decidability value of 6.1987.
Also, the lower optimum decidability value for the 'LEI-a' data set can be attributed to undetected eyelashes within the iris region, which result in an increased standard deviation of the intra-class distribution and thus lower decidability value.
Table 5.4 and Table 5.5 show decidability values generated from encoding templates with various radial and angular resolution dimensions.
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