log transformations/add_background_image.py @ 158:d1bb6e06497a

age author description
Wed, 10 Feb 2010 17:47:57 -0500 Xavier Glorot changed contrast definition for add_background_image
Wed, 10 Feb 2010 17:37:00 -0500 Xavier Glorot Changed behavior of add_background in order to have a contrast generation parameter and doing the max without using a treshold mask