import cv2
import numpy as np
#прогрессивное преобразование Хафа
img = cv2.imread('/home/leti/documents/lab/laba6/6_1.png',cv2.IMREAD_REDUCED_COLOR_2)
gray =255-cv2.cvtColor(img,cv2.COLOR_BGR2GRAY)
edges = cv2.Canny(gray,50,150,apertureSize = 3)
minLineLength =30
maxLineGap =1
cv2.imshow('5.jpg',gray)
# вариант1
lenght=7
i=5
while lenght>5:
lines = cv2.HoughLinesP(gray,1,np.pi/1800,i,minLineLength,maxLineGap)
i=i+20
lenght=len(lines)
print(len(lines))
print(i)
print(len(lines))
for x1,y1,x2,y2 in lines[len(lines)-1]:
cv2.line(img,(x1,y1),(x2,y2),(0,255,0),1 )
cv2.imshow('houghlines5.jpg',img)
cv2.imwrite('/home/leti/documents/lab/laba6/houghlines5.jpg',img)
cv2.waitKey(0)
cv2.destroyAllWindows