我有这些图像,我想消除出现的线条,以使日期保持不变。我该如何在Python中使用openCV?
如何使用openCV删除图像中的行
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问答
microwebhk 回答:如何使用openCV删除图像中的行
import cv2
import numpy as np
img = cv2.imread('img.jpg')
gray = cv2.cvtColor(img,cv2.COLOR_BGR2GRAY)
edges = cv2.Canny(gray,50,150,apertureSize = 3)
lines = cv2.HoughLines(edges,1,np.pi/180,100)
for rho,theta in lines[0]:
a = np.cos(theta)
b = np.sin(theta)
x0 = a*rho
y0 = b*rho
x1 = int(x0 + 1000*(-b))
y1 = int(y0 + 1000*(a))
x2 = int(x0 - 1000*(-b))
y2 = int(y0 - 1000*(a))
cv2.line(img,(x1,y1),(x2,y2),(255,255,255),10)
cv2.imwrite('output.jpg',img)