Fix segmentation fault

[jeffin07]

Fixed #2 Which will return segmentation error while using high resolution images Updated utils.py to resize the images which will be the input to the height and width specified in the paper.Changed imread in utils.py from scipy.misc.imread(path).astype(np.float) to np.array(Image.fromarray(scipy.misc.imread(path)).resize((310,230))).astype(np.float)