Patrick J. Grother

Publications

Statistics of Visual Features in the Human Iris

August 16, 2021

Author(s)

George Quinn, James Matey, Patrick Grother, Edward Watters

In most current applications of iris recognition, matching is done by computer algorithms. The dominant algorithms are based on the work of John Daugman and are

Face Recognition Vendor Test (FRVT) Part 7: Identification for Paperless Travel and Immigration

July 13, 2021

Author(s)

Patrick Grother, Austin Hom, Mei Ngan, Kayee Hanaoka

One-to-many biometric search systems are discussed in their role of positive and negative identification - the former refers to the expectation that person in a

Ongoing Face Recognition Vendor Test (FRVT) Part 6B: Face recognition accuracy with face masks using post-COVID-19 algorithms

November 30, 2020

Author(s)

Mei L. Ngan, Patrick J. Grother, Kayee K. Hanaoka

This is the second of a series of reports on the performance of face recognition algorithms on faces occluded by protective face masks commonly worn to reduce

Ongoing Face Recognition Vendor Test (FRVT) Part 6A: Face recognition accuracy with masks using pre- COVID-19 algorithms

July 24, 2020

Author(s)

Mei L. Ngan, Patrick J. Grother, Kayee K. Hanaoka

This is the first of a series of reports on the performance of face recognition algorithms on faces occluded by masks, run under the Ongoing Face Recognition

Analysis of Iris Images in Nicholas Nixon: The Brown Sisters

June 17, 2020

Author(s)

James R. Matey, Patrick J. Grother, George W. Quinn

In this paper we present results that expand on the Afghan Girl study by Daugman using gray-scale photographs of 4 subjects taken every year for 40 years: The

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Patrick J. Grother (Fed)

Publications