Create img_grad.py

Author: vck

img_grad.py

@@ -0,0 +1,15 @@
+import numpy as np
+from skimage.color import rgb2gray
+from skimage.data import imread
+import matplotlib.pyplot as plt
+import sys
+
+def imshow(img):
+   plt.imshow(img, cmap=plt.cm.gray)
+   plt.show()
+
+img = imread(sys.argv[1])
+img_gray = rgb2gray(img)
+img_grad = np.gradient(img_gray)
+
+imshow(img_grad[0]+img_grad[1])