[Digikam-devel] GPU Implementation of image processing algorithms

[Aditya Bhatt]

PS: Combining the above algorithm with LDA should give even better results,
solving both pose and illumination variation.

On Sun, Apr 18, 2010 at 8:54 PM, Aditya Bhatt <adityabhatt1991 at gmail.com>wrote:

> Hi Kunal,
>
> There was a slight error in your interpretation of their method :
>
> ( from the italicized text ) So many pose varied images of a person are
>> readily available in a face database as FERET but difficult
>> to get in a Personal Photo album. ( Usage of the system overtime will
>> increase recognition results but users may not continue
>> using the system for that long ! )
>>
>>
>
> They actually use the FERET database to train the coefficients for the
> reconstruction of the profile/side face into a frontal face. Later, those
> same coefficients can be used to map a *non-FERET* profile face to it's
> virtual frontal equivalent. Therefore, I, as a developer, can generate these
> coefficients using FERET's huge database, and then ship bundle a file with
> libface containing the values, for end-users to use :)
>
> There is a very nice paper ( admittedly better-framed than the one I showed
> you ), that explains how GLR (Global Linear Regression) can be applied to
> predict the frontal face from the profile view :
> http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.93.8750&rep=rep1&type=pdf
>
> In fact, the authors of this paper go one step further and explain LLR, or
> Local Linear Regression, which applies the above GLR algorithm to localized
> "patches" of a face to achieve much finer accuracy in rotation.
>
> So as I see it, this method is well-suited for the problem at hand
>
> --
>> regards
>> -------
>> Kunal Ghosh
>> Dept of Computer Sc. & Engineering.
>> Sir MVIT
>> Bangalore,India
>>
>> Quote:
>> "Ignorance is not a sin, the persistence of ignorance is"
>> --
>> "If you find a task difficult today, you'll find it difficult 10yrs later
>> too !"
>> -----
>> "Failing to Plan is Planning to Fail"
>>
>> Blog:kunalghosh.wordpress.com
>> Website:www.kunalghosh.net46.net
>> V-card:http://tinyurl.com/86qjyk
>>
>>
>> _______________________________________________
>> Digikam-devel mailing list
>> Digikam-devel at kde.org
>> https://mail.kde.org/mailman/listinfo/digikam-devel
>>
>>
>
> Cheers,
> --
> Aditya Bhatt
> Blog : http://adityabhatt.wordpress.com
> Face Recognition Library : http://libface.sourceforge.net
>



-- 
Aditya Bhatt
Blog : http://adityabhatt.wordpress.com
Face Recognition Library : http://libface.sourceforge.net
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