# # # # WORKS GOOD # # # #

                    # make a mask
                    # create a mask
                    mask = self.make_mask(homography) # a greyscale image
                    mask = cv2.resize(mask,
                                      (self.net_input_size[0] / downsample_factor,
                                       self.net_input_size[1] / downsample_factor))
                    self.show(mask)
                    _, mask = cv2.threshold(mask, 0, 255, cv2.THRESH_BINARY)
                    # make the corresponding notmask
                    self.show(mask)
                    notmask = cv2.bitwise_not(mask)
                    self.show(notmask)
                    # scale pixel values to range [0,1]
                    mask /= 255
                    notmask /= 255
                    # put in batch
                    masks = np.zeros((self.net_input_size[1]/downsample_factor, self.net_input_size[0]/downsample_factor, 2))
                    masks[:,:,0] = mask
                    masks[:,:,1] = notmask

                    # # # # DOESN'T WORK GOOD # # # #

                    # make an outline mask
                    outline_mask = self.make_outline_mask(homography) # a greyscale image
                    outline_mask = cv2.resize(outline_mask,
                                      (self.net_input_size[0] / downsample_factor,
                                       self.net_input_size[1] / downsample_factor))
                    self.show(outline_mask)
                    _, outline_mask = cv2.threshold(outline_mask, 0, 255, cv2.THRESH_BINARY)
                    self.show(outline_mask)
                    # make the corresponding notmask
                    not_outline_mask = cv2.bitwise_not(outline_mask)
                    self.show(not_outline_mask)
                    # scale pixel values to range [0,1]
                    outline_mask /= 255
                    not_outline_mask /= 255
                    # put in batch
                    outline_masks = np.zeros((self.net_input_size[1]/downsample_factor, self.net_input_size[0]/downsample_factor, 2))
                    outline_masks[:,:,0] = outline_mask
                    outline_masks[:,:,1] = not_outline_mask