Art_class.py 文件源码

def extract_blur(self, plot=False):
        """
        Calculate the variance of the 2nd derivative of the image to get blur.

        Input:  plot (bool) whether or not to show the image after Laplacian
        Output: None"""
        # do on grayscale
        # check what the mean would give instead of variance
        self.bluriness = filters.laplace(color.rgb2gray(self.image)).var()
        if plot is True:
            sns.set_style("whitegrid", {'axes.grid': False})
            self.lap = filters.laplace(color.rgb2gray(self.image))
            plt.imshow(self.lap)
            plt.title('Laplacian of {}'.format(self.short_name))
            plt.show()
            plt.imshow(self.lap)
            plt.show()