__author__ = "WSX" import cv2 as cv import numpy as np def erode_demo(image): print(image.shape) gray = cv.cvtColor(image, cv.COLOR_BGR2GRAY) ret, binary = cv.threshold(gray, 0, 255, cv.THRESH_BINARY | cv.THRESH_OTSU) cv.imshow("binary", binary) kernel = cv.getStructuringElement(cv.MORPH_RECT, (15, 15)) #15*15 的 矩形 dst = cv.erode(binary, kernel) #15*15 的 矩形 腐蚀 cv.imshow("erode_demo", dst) def dilate_demo(image): print(image.shape) gray = cv.cvtColor(image, cv.COLOR_BGR2GRAY) ret, binary = cv.threshold(gray, 0, 255, cv.THRESH_BINARY | cv.THRESH_OTSU) cv.imshow("binary", binary) kernel = cv.getStructuringElement(cv.MORPH_RECT, (5, 5)) #5*5的 矩形 dst = cv.dilate(binary, kernel) #膨胀 cv.imshow("dilate_demo", dst)