8 print(f'usage: {sys.argv[0]:s} in1.jpg ... inN.jpg out.jpg')
10 in_jpgs = sys.argv[1:-1]
11 out_jpg = sys.argv[-1]
14 for in_jpg in in_jpgs:
16 images.append(gamma.read_image(in_jpg))
18 image = numpy.mean(numpy.stack(images, 0), 0)
19 print('write', out_jpg)
20 gamma.write_image(out_jpg, image)