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#! /usr/bin/env python# -*- coding: utf-8 -*-import cv2import numpy as npfrom PIL import Imagearea = 0def ostu(img): global area image=cv2.cvtColor(img, cv2.COLOR_BGR2GRAY) # 轉(zhuǎn)灰度 blur = cv2.GaussianBlur(image,(5,5),0) # 閾值一定要設為 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 |
以上這篇python opencv 二值化 計算白色像素點的實例就是小編分享給大家的全部內(nèi)容了，希望能給大家一個參考，也希望大家多多支持服務器之家。
原文鏈接：https://blog.csdn.net/qq_38677814/article/details/79509634
