def downsample_image(image, steps):
downsampled = []
curr_image = image
for i in range(steps):
curr_image = downsample(curr_image)
downsampled.append(curr_image)
downsampled.reverse()
return downsampled
def gaussian_pyramid(input, nb_layers=5):
pyramid = [input]
for i in range(nb_layers):
pyramid.append(downsample(pyramid[-1]))
return pyramid
