[fprint] Trouble with distorted image

Vasily Khoruzhick anarsoul at gmail.com
Wed Dec 28 03:06:42 UTC 2016


Could you try attached patch?

On Thu, Dec 22, 2016 at 10:24 AM, Carson Reinke <carson at reinke.co> wrote:
> Thanks Vasily and all your work on this.
>
> I actually had the raw image dumped in fpi_assemble_lines instead and there
> is no more distortion.  I tried to debug the exact issue but the code kind
> of makes my head spin.  I think maybe not all images should be processed
> through this function, instead only "fast swipe" images that are shorter
> than a certain tolerance should be.  Just a thought.  If I come up with
> something, I'll send it over.
>
> On Fri, Dec 16, 2016 at 7:12 PM, Vasily Khoruzhick <anarsoul at gmail.com>
> wrote:
>>
>> Hi Carson,
>>
>> All related code is in libfprint/assembling.c, you're probably
>> interested in fpi_assemble_lines().
>>
>> Regards,
>> Vasily
>>
>> On Fri, Dec 16, 2016 at 1:17 PM, Carson Reinke <carson at reinke.co> wrote:
>> > I seem to be having the same issue as reported by other awhile ago here:
>> > https://github.com/ars3niy/fprint_vfs5011/issues/9.  The head from
>> > master
>> > seems to work better, but still quite a bit of distortion.
>> >
>> > I believe this from trying to normalize the image from fast swipes.  Can
>> > anyone point me in a direction on where this is done?
>> >
>> > _______________________________________________
>> > fprint mailing list
>> > fprint at lists.freedesktop.org
>> > https://lists.freedesktop.org/mailman/listinfo/fprint
>> >
>
>
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