image.py 文件源码

def image_function(self, image):
        # Cast image to one of the native dtypes (one which that is supported by scipy)
        image = self.cast(image)
        # Take measurements
        imshape = image.shape
        # Obtain flows
        flows = self.get_random_variable('flow_y', imshape=imshape), \
                self.get_random_variable('flow_x', imshape=imshape)
        # Map cooordinates from image to distorted index set
        transformed_image = map_coordinates(image, flows,
                                            mode='reflect', order=self.order).reshape(imshape)
        # Uncast image to the original dtype
        transformed_image = self.uncast(transformed_image)
        return transformed_image