id author title date pages extension mime words sentence flesch summary cache txt gb19f47771q Joseph William Thompson Iris Perturbation Methods for Improved Recognition 2012 .txt text/plain 112 6 48 Perturbations of software provided circular segmentations Using ROC analysis of the true accept rate (TAR)at a given false accept rate of 0.001, many methods are discovered that performmuch better than the original algorithm, approximate the performance of usingevery perturbation to less than 0.2%, and require between 500 to 1000 times lesstime to verify a single image. cache/gb19f47771q.txt txt/gb19f47771q.txt