IDEMIA DOCUMENT
– REPRODUCTION AND DISCLOSURE PROHIBITED
Fingerprint Capture Basics 1/3
MorphoAccess® SIGMA Lite Series
– Quick User Guide - 2015_2000005700-V11
22
Region of Interest
Recommended Fingers
Acquisition troubleshooting
Area containing
the maximum
information
The biometric sensor
is designed to capture
the most useful area
of the fingerprint,
which is usually at the
centre of the finger
tip, as shown on the
figure above.
St
ep
s
ev
en:
c
apt
ure
bas
ic
s
Middle Finger
Fore Finger
Ring Finger
3
1
2
The sensor can capture any finger,
but we recommend to :
• use Fore finger / Index as 1
st
choice
• use middle finger as 2
nd
choice
• use ring finger as alternative 2
nd
choice (3
rd
choice)
• avoid little finger (poor fingerprint)
• avoid thumb (best accuracy but
ergonomically more difficult to use)
Fingerprint image too dark :
the finger is probably too moist and/or
too dusty
too moist : dry the finger
too dusty: clean up the finger
Fingerprint image too light :
the finger is probably too cold and/or too
dry
too cold : warm up the finger
too dry : moisten the finger (i.e. with
moistening pad) and /or warm it up.
General recommendations
Remove bandages or adhesive
tapes from the fingerprint area
Do not press or tense finger to avoid
blood vessels constriction.
For handling large scale enrollments please contact your IDEMIA representative for training and services options