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NIST released IREX IX Part One Performance of Iris Recognition Algorithms (NISTIR 8207), a report describing the results of a study evaluating the performance of iris recognition over operational test data. Thirteen research institutions submitted recognition algorithms for evaluation—more than any other IREX (IRis EXchange) evaluation. IREX IX is an evaluation of automated iris recognition algorithms. The first part of the evaluation is a performance test of both verification (one-to-one) and identification (one-to-many) recognition algorithms over operational test data.