•Errors may occur when matching
contactless fingerprints with fingerprints
enrolled on a contact reader
•This may be caused by:
oDifferences in height of the finger held
above the contactless reader
oUnique characteristics of a finger that
result in different fingerprint images
on contact and contactless readers
Contact
Contactless
RECOMMENDED
If Hamster Air is used
together with SecuGen
contact readers, it is best
to enroll both contactless
and contact fingerprint
templates for each user
to improve accuracy
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