ST - TouchChip PerfectMatch is a set of software algorithms that extract fingerprint templates and match live fingerprints against previously stored fingerprint templates.
Extraction takes place during the enrollment and verification processes.
This template is a mathematical representation of the original fingerprint based on the analysis of the ridge patterns. During enrollment, the template is stored. During verification , the template is matched with the previously stored template. PerfectMatch algorithm matches a live fingerprint with a previously stored fingerprint template. It generates a matching score, that is compared with a modifiable security threshold .