有没有办法在opencv python中获得两个独立轮廓的边界矩形的4个坐标点？

import cv2
import numpy as np

image = cv2.imread('image.jpg')
gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)

edges = cv2.Canny(gray, 50, 150)

contours, _ = cv2.findContours(edges, cv2.RETR_EXTERNAL, cv2.CHAIN_APPROX_SIMPLE)

contour1 = max(contours, key=cv2.contourArea)
contours.remove(contour1)
contour2 = max(contours, key=cv2.contourArea)

x1, y1, w1, h1 = cv2.boundingRect(contour1)
x2, y2, w2, h2 = cv2.boundingRect(contour2)

# 计算四个坐标点
point1 = (x1, y1)
point2 = (x1 + w1, y1)
point3 = (x1 + w1, y1 + h1)
point4 = (x1, y1 + h1)

point5 = (x2, y2)
point6 = (x2 + w2, y2)
point7 = (x2 + w2, y2 + h2)
point8 = (x2, y2 + h2)