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#!python3
from PIL import Image
import numpy as np
import os
import cv2
dir = 'IMG_1734/'
diff_dir = dir + 'diff/'
if not os.path.exists(diff_dir):
os.mkdir(diff_dir)
files = sorted([i.name for i in os.scandir(dir) if os.path.isfile(dir + i.name) and not i.name.startswith('.')])
last_im = None
k = 0
for i, fn in enumerate(files):
pil_image = Image.open(dir + fn).convert('RGB')
im = np.array(pil_image)
tmp_im = im.copy().astype('float64')
print("{} {}".format(i, fn))
if last_im is not None:
im = (last_im - tmp_im)
im = cv2.normalize(im, None, 0, 255, cv2.NORM_MINMAX)
image_pil = Image.fromarray(im.astype('uint8'), mode='RGB')
image_pil.save(diff_dir + "frame_{:05}.png".format(i))
last_im = tmp_im.astype('float64')
def fade_images(a, b, n):
for j in range(60):
r = j / 60
im = a * (r) + b * (1-r)
image_pil = Image.fromarray(im.astype('uint8'), mode='RGB')
image_pil.save(diff_dir + "frame_{:05}.png".format(j+k))
k += 60
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