Measure of Performance

Measure of Performance - Hamming distance. Two IrisCodes...

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Measure of Performance Off-line and on-line modes of operation. Hamming distance: standard measure for comparison of binary strings. x and y are two IrisCodes is the notation for exclusive OR (XOR) Counts bits that disagree Observations • Two IrisCodes from the same eye form genuine pair => genuine
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Unformatted text preview: Hamming distance. Two IrisCodes from two different eyes form imposter pair => imposter Hamming distance. Bits in IrisCodes are correlated (both for genuine pair and for imposter pair). The correlation between IrisCodes from the same eye is stronger...
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