使用以下代码,我可以检测到矩形的边缘,但是现在我想单击每个矩形的边缘?我该怎么做?
import numpy as np
import cv2
import matplotlib.pyplot as plt
import matplotlib
import win32api
matplotlib.rcParams["savefig.dpi"] = 400 # to get high resolution
img = cv2.imread('1.png');
plt.imshow( img )
plt.title('Original Image')
plt.show()
gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
# Apply Canny edge detection method on the image
edges = cv2.Canny(gray,75,150,apertureSize = 3)
plt.imshow(edges )
plt.title('My Image edges')
plt.show()
#lines = cv2.HoughLines(edges,1,np.pi/180, 200)
lines = cv2.HoughLinesP(edges,1,np.pi/180, 150)
print(lines)
答案 0 :(得分:0)
您可以使用以下内容:
if (lines.any() == True):
for line in lines:
x1,y1, _, _ = line[0]
cv2.Rectangle(img,(x1,y1),(x1+3,y1+3),(0,255,0),3)
cv2.imshow('image', img)
cv2.waitKey(0)
cv2.destroyAllWindow()
此代码将一一抛出所有边缘