def crop_resize(img, size):
   """crop center and resize"""
   if img.shape[0] < img.shape[1]:
       img = img.T
   # we crop image from center
   short_egde = min(img.shape[:2])
   yy = int((img.shape[0] - short_egde) / 2)
   xx = int((img.shape[1] - short_egde) / 2)
   crop_img = img[yy : yy + short_egde, xx : xx + short_egde]
   # resize to 64, 64
   resized_img = transform.resize(crop_img, (size, size))
   resized_img *= 255
   return resized_img.astype("uint8")
crop center and resize