For aspects of quality specific to the finger image modality, ISO/IEC TR 29794-4-2010: specifies terms and definitions that are useful in the specification, use, and test of finger image quality metrics; defines the interpretation of finger image quality scores; identifies or defines finger image corpora for the purpose of serving as information for algorithm developers and users; develops statistical methodologies specific to finger image corpora for characterizing quality metrics to facilitate interpretation of scores and their relation to matching performance.