[fprint] fprint and wsq format

Fausto Carvalho Marques Silva fausto.carvalho at tse.jus.br
Mon Jan 18 05:17:26 PST 2016


You can use NBIS to do this conversion.
I have used the API of NBIS to convert a image from an array of bytes to
a WSQ image.

http://www.nist.gov/itl/iad/ig/nbis.cfm

Em 28-12-2015 15:45, José Vilmar Estácio de Souza escreveu:
> Hi.
> Thanks for your reply.
> According to https://en.wikipedia.org/wiki/Wavelet_scalar_quantization
>
> The *Wavelet Scalar Quantization* algorithm (*WSQ*) is a compression
> algorithm used for gray-scale fingerprint
> <https://en.wikipedia.org/wiki/Fingerprint> images. It is based on
> wavelet <https://en.wikipedia.org/wiki/Wavelet> theory and has become
> a standard for the exchange and storage of fingerprint images.
>
>
> On 12/28/2015 03:30 PM, Vasily Khoruzhick wrote:
>> Hi,
>>
>> On Mon, Dec 28, 2015 at 9:01 AM, José Vilmar Estácio de Souza
>> <vilmar at informal.com.br> wrote:
>>> Hi all.
>>> Probably a dumb question, but how can I extract a wsq file from an image
>>> captured by libfprint?
>> I have no idea what wsq format is. And it's not supported by libfprint.
>>
>> Regards,
>> Vasily
>>
>>> I need to create an application that needs to scan a finger and convert to
>>> wsq format.
>>> Is it possible using libfprint?
>>> Thanks.
>>>
>>> --
>>> José Vilmar Estácio de Souza
>>>
>>> _______________________________________________
>>> fprint mailing list
>>> fprint at lists.freedesktop.org
>>> http://lists.freedesktop.org/mailman/listinfo/fprint
>
> -- 
> José Vilmar Estácio de Souza
>
>
> _______________________________________________
> fprint mailing list
> fprint at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/fprint


-- 
*Fausto Carvalho Marques Silva*
(61)3030-9083
TSE/STI/CSCOR/SEDESC4
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