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کامپیوتر و شبکه::
وضوح شعاعی
A number of data points are selected along each radial line and this is defined as the radial resolution.
From the 'doughnut' iris region, normalisation produces a 2D array with horizontal dimensions of angular resolution and vertical dimensions of radial resolution.
Figure 3.2 - Outline of the normalisation process with radial resolution of 10 pixels, and angular resolution of 40 pixels.
The total number of bits in the template will be the angular resolution times the radial resolution, times 2, times the number of filters used.
The optimum template size for the 'LEI-a' data set was found to be 20x240, that is a radial resolution of 20 pixels, and an angular resolution of 240 pixels.
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