What 'Token' do we use in biohashing algorithm to generate pseudo-random number?

01 April 2015 1 5K Report

IN biohash algorithm, We Use a token to generate m orthonormal pseudo random vectors followed by inner-product operations. What token do we use and how do we generate m*n random matrix?

Ian Kennedy

To answer your last question: You generate mn random numbers and insert them sequentially into the rows and columns of your matrix. You can do it row-wise or column-wise or even snake. It makes no difference.

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