In some sense it is voodoo (not very interpretable)
There is research in that direction, particularly in the field of visual object recognising convolutional networks. It is possible to interpret what a neural net is looking for.
http://yosinski.com/deepvis
There is research in that direction, particularly in the field of visual object recognising convolutional networks. It is possible to interpret what a neural net is looking for.
http://yosinski.com/deepvis