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From Subash Chaturanga <>
Subject Documentation of using PhotArk Face Apps
Date Mon, 11 Jul 2011 19:51:55 GMT
*Hi devs,*
*This is a sample documentation which describes how to use Face Recognition

Photark Gallery provides a link to visit Face Applications.

There, you are provided two main apps as options.
 - Facebook Friend Finder
 - Generic Face Recognition

Both these apps are trying to recognize your friends in your PhotArk
albums.  Facebook Friend Finder finds your friends while  Generic Face
Recognition app finds friends who are trained in your private name space
(which is )

The recognition facility is provided during the album navigation in the

So before trying to recognize any of your friends from either your private
namespace domain or from Facebook, you need to tell these apps how your
friends looks like.
For that simply, you can train the system by the images of your friends and
their corresponding names(user names). Lets see how to train PhotArk Face
App Indexes.

*- Generic Face Recognition*

Here, this is related to the friends in your private name space. This can be
done this by providing an image of your friend as a URL or a local image
path with a suitable username and a label for the ease of identification.
The more you train your friend,  the accuracy will be increased.

i.e Fill the following fields as

Copy Image File Path -  /home/subash/pictures/adam.jpeg
Train Username -
User Label(optional) - Adam Gilly

And hit the train button. This will update the photark face index with your
friend. You can train Adam with couple of more of his pictures under his
username "".

* - Facebook Friend Finder*

In this case you don't need to provide images of your friends like in the
previous app. Because in Facebook, your friends are already tagged in your
albums. So this app goes through all your friends tagged images and train
them with their Facebook usernames. You only need to give the userId of your
friend and system will train your friend. This app doesn't train all your
friends at startup due to the startup overhead and also you might not want
to train all your Facebook friends for photark.

- First click Authenticate Facebook button to provide access of your
Facebook profile to this app.
- Then provide the user ids of your facebook friends and train them.

i.e fill the field

Train user name - ( or any legal format of your
friends username)
And hit the Train button to train. Simple as that.


Subash Chaturanga
Department of Computer Science & Engineering
University of Moratuwa
Sri Lanka

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