PIL和cv2互转

PIL转cv2

import cv2
import numpy as np
img_bgr = cv2.cvtColor(np.asarray(image_pil), cv2.COLOR_RGB2BGR)

cv2转PIL

from PIL import Image
image_pil = Image.fromarray(cv2.cvtColor(img_bgr, cv2.COLOR_BGR2RGB))

注：PIL读取的图片为RGB格式，opencv读取的图片为BGR格式。