Fingerprint readers problem in chiller room & cold weather

[aetherica]

As we all know fingerprint readers detect body heat.
The problem is when the user/person just came out of a chiller room and have to place his finger on the reader for identification. Similar problem in cold weather.

Is there any solution to this problem?
Just FYI, our fingerprint reader/terminal is available in 4 different options ie. Optical, Thermal, Capacitive, and Electric Field (EF).

[paulmike]

It is very critical problem which occur just because low temperature and quite normal in chiller room or during cold weather. There is a solution for this. We can use the NIST finger print image quality (NFIQ), which is “intended to be predictive of the relative performance of a minutia based finger print matching system.” This algorithm gives an integerrating o rfingerprint image quality using a 1–5 scale. A rating of 1 indicates a very good quality image, while 5 indicates very poor.