[Digikam-devel] Season of KDE

[Gilles Caulier]

Perfect

Gilles Caulier

2014-10-30 19:11 GMT+01:00 Koushik S <skoushik333 at gmail.com>:
> Thanks!
>
> I edited the proposal to reflect the changes. As time was short, I submitted
> the proposal and can be seen here:
> https://season.kde.org/?q=view_projects&prg=32&p=284
>
> Any last-minute changes are welcomed.
>
>
> On Thu, Oct 30, 2014 at 10:42 PM, Gilles Caulier <caulier.gilles at gmail.com>
> wrote:
>>
>> Paper is excelent.
>>
>> Please add some link in current implementation, which is very well
>> documented :
>>
>> Wavelets NR algorithm to fix image :
>>
>>
>> https://projects.kde.org/projects/extragear/graphics/digikam/repository/revisions/master/entry/libs/dimg/filters/nr/nrfilter.cpp
>>
>> NR estimate analyser to compute NR filter settings automatically :
>>
>>
>> https://projects.kde.org/projects/extragear/graphics/digikam/repository/revisions/master/entry/libs/dimg/filters/nr/nrestimate.cpp
>>
>> Note : the algorithm is described in this paper :
>>
>>
>> https://drive.google.com/file/d/0B7yq-xFihT0_UXQ2RHJ4eTdTNFk/view?usp=sharing
>>
>> NREstimate is also use in Image Qulity Sorter algorithm :
>>
>>
>> https://projects.kde.org/projects/extragear/graphics/digikam/repository/revisions/master/entry/libs/database/imgqsort/imgqsort.cpp
>>
>> The goal of this tool is to parse image to detect quality. In this
>> case, NR is estimated and image will be tagged automatically, using
>> Pick Label. Note that other quality factor are also tested, as, blur,
>> exposure, etc...
>>
>> There are also few test CLI tools, especially this one to report noise
>> estimation and detection :
>>
>>
>> https://projects.kde.org/projects/extragear/graphics/digikam/repository/revisions/master/entry/tests/testnrestimate.cpp
>>
>>
>> https://projects.kde.org/projects/extragear/graphics/digikam/repository/revisions/master/entry/tests/imgqsort/detectnoise/detectnoise.cpp
>>
>> Best
>>
>> Gilles Caulier
>>
>> 2014-10-30 9:19 GMT+01:00 Koushik S <skoushik333 at gmail.com>:
>> > Hi,
>> >
>> >     I finished a draft of my proposal. Here's the link -
>> >
>> > https://docs.google.com/document/d/1DTIqDqyIZNmcb0cUuL1xs4_Do9104h5yhej8LxCzm5Y/edit?usp=sharing
>> >
>> > Any suggestions/edits are welcome.
>> >
>> >
>> > On Thu, Oct 30, 2014 at 12:41 AM, Koushik S <skoushik333 at gmail.com>
>> > wrote:
>> >>
>> >> I researched a more on this topic, and as I understand, the threshold
>> >> needs to be set adaptively. Here's a paper on the topic:
>> >> http://homepages.cae.wisc.edu/~ece533/project/f03/yangyang.pdf
>> >>
>> >> Let me know if I'm in the right direction. Also, does the proposal need
>> >> to
>> >> have all the specific implementation details at this point? Because
>> >> that
>> >> would take a quite a while, and it's also very hard to know beforehand,
>> >> in
>> >> my case.
>> >>
>> >> On Wed, Oct 29, 2014 at 9:39 PM, Koushik S <skoushik333 at gmail.com>
>> >> wrote:
>> >>>
>> >>> I checked out the source code, and it seems there is an estimator
>> >>> function for calculating noise in the image. I don't really know how I
>> >>> could
>> >>> improve upon the current implementation. Do you have any specific
>> >>> ideas/solutions on approaching this?
>> >>>
>> >>> On Wed, Oct 29, 2014 at 12:11 PM, Koushik S <skoushik333 at gmail.com>
>> >>> wrote:
>> >>>>
>> >>>> Hi,
>> >>>>
>> >>>>     That sounds very interesting, and closely related to my field of
>> >>>> interest. I haven't looked at the code which does the noise
>> >>>> reduction, but
>> >>>> I'll do so right away, and in addition I'll search for any research
>> >>>> papers
>> >>>> on this topic. Any guidance/suggestions on the proposal is welcomed.
>> >>>> I'll
>> >>>> prepare the draft proposal as soon as possible, since the deadline is
>> >>>> fast
>> >>>> approaching.
>> >>>>
>> >>>> On Tue, Oct 28, 2014 at 7:25 PM, Gilles Caulier
>> >>>> <caulier.gilles at gmail.com> wrote:
>> >>>>>
>> >>>>> Hi,
>> >>>>>
>> >>>>> There is a function to really improve in current implementation :
>> >>>>> Noise detection on image to tune Wavelets Noise Reduction settings
>> >>>>> automatically.
>> >>>>>
>> >>>>> Currently, this feature work for some kind of noise and shot
>> >>>>> condition
>> >>>>> (for ex with high ISO). I have some pictures with noise which are
>> >>>>> not
>> >>>>> detected, and reduction cannot be completed automatically. User must
>> >>>>> play with settings to try noise reduction effect.
>> >>>>>
>> >>>>> What do you think about ?
>> >>>>>
>> >>>>> Gilles Caulier
>> >>>>>
>> >>>>> 2014-10-28 10:30 GMT+01:00 Koushik S <skoushik333 at gmail.com>:
>> >>>>> > Thanks a lot!
>> >>>>> >
>> >>>>> > Note: The deadline is on 31st Oct.
>> >>>>> >
>> >>>>> > On Tue, Oct 28, 2014 at 1:43 AM, Gilles Caulier
>> >>>>> > <caulier.gilles at gmail.com>
>> >>>>> > wrote:
>> >>>>> >>
>> >>>>> >> Hi,
>> >>>>> >>
>> >>>>> >> I will take a look tomorow morning if i can propose a subject for
>> >>>>> >> Season
>> >>>>> >> of KDE
>> >>>>> >>
>> >>>>> >> Best
>> >>>>> >>
>> >>>>> >> Gilles Caulier
>> >>>>> >>
>> >>>>> >> 2014-10-27 11:11 GMT+01:00 Koushik S <skoushik333 at gmail.com>:
>> >>>>> >> > Hello,
>> >>>>> >> >
>> >>>>> >> >     I stumbled upon this programme from KDE, and wanted to ask
>> >>>>> >> > if
>> >>>>> >> > digiKam
>> >>>>> >> > was participating in it. I started fixing small bugs, and
>> >>>>> >> > wanted
>> >>>>> >> > to work
>> >>>>> >> > on
>> >>>>> >> > a project, and this seemed like a good motivator and also a
>> >>>>> >> > good
>> >>>>> >> > learning
>> >>>>> >> > experience.  Can anyone guide me on the project that could be
>> >>>>> >> > drafted
>> >>>>> >> > for
>> >>>>> >> > digiKam?
>> >>>>> >> >
>> >>>>> >> > --
>> >>>>> >> > regards,
>> >>>>> >> > Koushik. S
>> >>>>> >> >
>> >>>>> >> > _______________________________________________
>> >>>>> >> > Digikam-devel mailing list
>> >>>>> >> > Digikam-devel at kde.org
>> >>>>> >> > https://mail.kde.org/mailman/listinfo/digikam-devel
>> >>>>> >> >
>> >>>>> >> _______________________________________________
>> >>>>> >> Digikam-devel mailing list
>> >>>>> >> Digikam-devel at kde.org
>> >>>>> >> https://mail.kde.org/mailman/listinfo/digikam-devel
>> >>>>> >
>> >>>>> >
>> >>>>> >
>> >>>>> >
>> >>>>> > --
>> >>>>> > regards,
>> >>>>> > Koushik. S
>> >>>>> >
>> >>>>> > _______________________________________________
>> >>>>> > Digikam-devel mailing list
>> >>>>> > Digikam-devel at kde.org
>> >>>>> > https://mail.kde.org/mailman/listinfo/digikam-devel
>> >>>>> >
>> >>>>> _______________________________________________
>> >>>>> Digikam-devel mailing list
>> >>>>> Digikam-devel at kde.org
>> >>>>> https://mail.kde.org/mailman/listinfo/digikam-devel
>> >>>>
>> >>>>
>> >>>>
>> >>>>
>> >>>> --
>> >>>> regards,
>> >>>> Koushik. S
>> >>>
>> >>>
>> >>>
>> >>>
>> >>> --
>> >>> regards,
>> >>> Koushik. S
>> >>
>> >>
>> >>
>> >>
>> >> --
>> >> regards,
>> >> Koushik. S
>> >
>> >
>> >
>> >
>> > --
>> > regards,
>> > Koushik. S
>> >
>> > _______________________________________________
>> > Digikam-devel mailing list
>> > Digikam-devel at kde.org
>> > https://mail.kde.org/mailman/listinfo/digikam-devel
>> >
>> _______________________________________________
>> Digikam-devel mailing list
>> Digikam-devel at kde.org
>> https://mail.kde.org/mailman/listinfo/digikam-devel
>
>
>
>
> --
> regards,
> Koushik. S
>
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