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我能够识别一个圆形对象。我怎么能打印红色像素的HoughCircle中心点。如果有两个圆圈,我如何通过像素访问?OpenCV&Python:在HoughCircles中打印红点像素值
我的代码是
import cv2
import numpy as np
img = cv2.imread('STACK.jpg',0)
img = cv2.medianBlur(img,1)
cimg = cv2.cvtColor(img,cv2.COLOR_GRAY2BGR)
circles = cv2.HoughCircles(img,cv2.HOUGH_GRADIENT,3,100,param1=60,param2=80,minRadius=0,maxRadius=0)
circles = np.uint16(np.around(circles))
for i in circles[0,:]:
# outer circle
cv2.circle(cimg,(i[0],i[1]),i[2],(0,255,0),2)
# center of the circle
cv2.circle(cimg,(i[0],i[1]),2,(0,0,255),2)
cv2.imshow('Detected Circle',cimg)
cv2.waitKey(0)
cv2.destroyAllWindows()
你是什么意思“如何我可以打印HoughCircle中心点的颜色为红色的像素“?你想显示圆心的图像原始值,还是显示德坐标? –
显示圆心@Eliezer的坐标 – Sugantharaja