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#! /usr/bin/env python # -*- coding: utf-8 -*- import cv2 import numpy as np from PIL import Image area = 0 def ostu(img): global area image = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY) # 转灰度 blur = cv2.GaussianBlur(image,( 5 , 5 ), 0 ) # 阈值一定要设为 0 !高斯模糊 ret3,th3 = cv2.threshold(blur, 0 , 255 ,cv2.THRESH_BINARY + cv2.THRESH_OTSU) # 二值化 0 = black ; 1 = white # cv2.imshow('image', th3) # a = cv2.waitKey(0) # print a height, width = th3.shape for i in range (height): for j in range (width): if th3[i, j] = = 255 : area + = 1 return area |
以上这篇python opencv 二值化 计算白色像素点的实例就是小编分享给大家的全部内容了,希望能给大家一个参考,也希望大家多多支持服务器之家。
原文链接:https://blog.csdn.net/qq_38677814/article/details/79509634