膨胀
一:膨胀实现dilate
使用方法:dilate
结果=cv2.dilate(二值图像src,卷积核k,迭代次数itreations)
卷积核 正方形数组:如np.ones((5,5),np.uint8)
import cv2 as cv
import numpy as np
def dilate_demo(image): #膨胀
print(image.shape)
gray = cv.cvtColor(image,cv.COLOR_BGR2GRAY)
ret,binary = cv.threshold(gray,0,255,cv.THRESH_BINARY_INV|cv.THRESH_OTSU)
cv.imshow("binary",binary)
kernel = cv.getStructuringElement(cv.MORPH_RECT,(5,5))
dst = cv.dilate(binary,kernel)
c