[fprint] Most suitable hardware for many-to-one mutiple fingerprint readers in Linux?

[Wolfgang Ullrich]

I suggest to make this message a support ticket for UPEK here:

http://www.upek.com/support/customersupport/form/default.asp

Maybe they wake up and open their API so someone can complete the upekts
driver.
-  

Regards

Wolfgang Ullrich

e-Mail: w.ullrich at n-view.net

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> We've got this scenario we want to develop fingerprint reading code for:
> 
> * Multiple low-end PCs, each with a USB fingerprint reader attached.
>   For ease of development, all PCs will be the same hardware, run the same
>   Linux and run the same fingerprint driver/app software. Similarly, all
>   fingerprint readers will be identical hardware. PCs will be such a low
>   spec that software image comparison is probably not advisable, but we
>   could go that route if there's no hardware comparison is available.
> 
> * The number of people using the fingerprint readers across the PCs
>   could rise as high as 100 or more and it's likely we'd take at least
>   two prints (e.g. thumb and a finger) per person.
> 
> * Enrolment should be available on *any* reader and only need to be done
>   once overall (i.e. not on every PC/reader), with the image/template
>   retrieved distributable to the other PCs (i.e. the software driver or
>   the fingerprint reader hardware needs to do one-to-many comparison,
>   potentially for up to 200 prints in one go and have enrolments
>   from other units "uploadable" to it).
> 
> With low spec PCs, I suspect comparing images of a scanned print with
> up to 200 other images would take a long time (10 seconds or more?) -
> too long for someone waiting to be verified, so I feel a hardware
> comparison solution would be the best.
> 
> The UPEK Eikon reader looked promising, but seems to fail on a couple
> of points:
> 
> * The Linux driver only does one-to-one comparison and even the
>   Windows driver claims to only do a max of one-to-21.
> 
> * There is no clear indication whether the unit can be programmed
>   with previous enrolment templates (200 bytes of data I believe)
>   taken from another Eikon reader. From what the page at
>   http://reactivated.net/fprint/wiki/Upekts suggests, it seems that
>   you have to put the unit into verification mode, manually swipe
>   and it just does a 1-to-1 comparison with a single print stored
>   in the unit (with no clue as to whether the only way to get that
>   stored print into the unit is to enrol it manually or not).
>   I could be wrong on this point though...
> 
> I would have thought that in a small/medium business that has multiple
> exits/entrances to a building (we want to do this for a clock in/out
> system, rather than a PC login or door access system) and wants to
> use fingerprint readers at all exits/entrances, then the above
> scenario would be quite common. For cost reasons, we want to keep
> each fingerprint reader under $200 and don't want to pay for expensive
> SDKs either, but my gut feeling tells me that only "industrial"
> fingerprint readers will meet our requirements.
> 
> Ideally, we'd like to look at hardware supported by the fprint project
> first, because we'll be coding it in Linux (Windows is not an option before
> you ask). Does anyone know of a sub-$200 USB fingerprint reader that has
> Linux support and fits our criteria? I've been Googling around without
> much luck so far :-(
> 
> Richard K. Lloyd,           E-mail: rkl at connectinternetsolutions.com
> Connect Internet Solutions,    WWW: http://www.connectinternetsolutions.com/
> First Floor, Faraday House,
> Liverpool Digital, 360 Edge Lane,
> Liverpool,
> Merseyside, UK. L7 9NJ
> 
> 
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