Receiver Operating Characteristics (ROC)A method of showing measured accuracy performance of a biometric system. A verification ROC compares false accept rate vs. verification rate.
RecognitionA generic term used in the description of biometric systems (e.g. face recognition or iris recognition) relating to their fundamental function.
recordAll the documents and evidence plus transcripts of oral proceedings in a case.
referenceA document that discloses subject matter that is material to a determination of the patentability of a claimed invention. MPEP 2126, MPEP 2126.
Ridge EndingA minutiae point at the ending of a friction ridge, as illustrated below. See also bifurcation, friction ridge.
Rolled FingerprintsAn image that includes fingerprint data from nail to nail, obtained by �rolling� the finger across a sensor, as illustrated below.