Zero fingerprint enrollment system for an electronic device

A method for generating a template corresponding to a fingerprint through operations of an electronic device, the method comprising:

• storing, in a database of non-enrolled partial fingerprints, a first node, a second node, and a third node or a first mosaic;
• matching an edge of the first node to an edge of the second node;
• combining the first node and the second node into a second mosaic and storing the second mosaic in the database of non-enrolled partial fingerprints;
• combining the second mosaic and the third node or the first mosaic into a larger third mosaic when an edge of the second mosaic matches an edge of the first mosaic or the third node;
• and
• storing the third mosaic as the template in a database of enrolled templates if the third mosaic comprises a complete template;
• and
• storing the third mosaic in the database of non-enrolled partial fingerprints if the third mosaic does not comprise the complete template.

An electronic device, comprising:

• a processor;
• and
• a memory coupled to the processor, the memory for storing instructions which, when executed by the processor, performs a method for reconstructing an image of a fingerprint, the method comprising:
• capturing a first portion of a fingerprint during a first non-enrollment interaction with the electronic device;
• capturing a second portion of the fingerprint during a second non-enrollment interaction with the electronic device;
• storing the first and the second portions of the fingerprint in a first database comprising non-enrolled portions of the fingerprint;
• comparing an edge of the first portion to an edge of the second portion;
• creating a fingerprint template using the first portion and the second portion when the comparison exceeds a confidence match threshold;
• and
• storing the fingerprint template in a second database comprising one or more enrolled templates.