Infrared scanners for recording fingerprints and Linux

[Brian Densmore]

The problem there is sensitivity. Children's fingerprints
can be quite densely compacted and getting a clear print
may be challenging to say the least. Basically I have been
asked to improve on the CHIPS program for child protection.

> -----Original Message-----
> From: Jonathan Hutchins [mailto:hutchins at tarcanfel.org]
> Sent: Tuesday, January 11, 2005 10:42 AM
> To: kclug at kclug.org
> Subject: Re: Infrared scanners for recording fingerprints and Linux
> 
> 
> On Tuesday 11 January 2005 10:33 am, Gerald Combs wrote:
> 
> > Jonathan Hutchins wrote:
> > > A conventional scanner would give you the flexability to take
> > > fingerprints, palmprints, and/or footprints.  That would 
> probably be a
> > > better way to go. The fingerprint scanners I've seen are 
> mostly intended
> > > to take a single, adult finger.
> 
> > Does a conventional scanner have enough resolution and/or 
> contrast to
> > pick up the ridges in a fingerprint?  Would it show all of 
> the loops,
> > arches, and whorls, or a picture of a finger?
> 
> I was thinking of taking a conventional print first, then 
> scanning that.
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