标签:sep class http turn roi mask art jpg python
import cv2
import numpy as np
#from PIL import Image
def separate_color_red(img):
hsv = cv2.cvtColor(img, cv2.COLOR_BGR2HSV)
lower_hsv = np.array([0, 43, 46])
high_hsv = np.array([10, 255, 255])
mask = cv2.inRange(hsv, lowerb=lower_hsv, upperb=high_hsv)
return mask
if __name__ == "__main__":
# img_ = Image.open("D:/test/71724.png")
img = cv2.imread("D:/test/71724.png")
img_separate = separate_color_red(img)
image, contours, hier = cv2.findContours(img_separate, cv2.RETR_EXTERNAL, cv2.CHAIN_APPROX_SIMPLE)
x1,y1 = np.amin(contours[0], axis = 0)[0]
x2,y2 = np.amax(contours[0], axis = 0)[0]
ROI = img[y1:y2, x1:x2]
cv2.imwrite("D:/543210.jpg",ROI)
#ROI = img_.crop((x1,y1,x2,y2))
#ROI.save("D:/54321.jpg")
https://blog.csdn.net/qq_33897832/article/details/88931748
标签:sep class http turn roi mask art jpg python
原文地址:https://www.cnblogs.com/Henry-ZHAO/p/13268563.html