PIL和cv2格式图片相互转换

import cv2
from PIL import Image
import numpy as np

cv2_img = cv2.imread(path)
PIL_img = Image.fromarray(cv2.cvtColor(img,cv2.COLOR_BGR2RGB))

PIL_img = Image.open(path)
cv2_img = cv2.cvtColor(np.asarray(PIL_img), cv2.COLOR_RGB2BGR)