Non-Blocking Two Phase Commit Using Blockchain Paul Ezhilchelvan, Amjad Aldweesh, Aad van Moorsel Newcastle University Newcastle upon Tyne, UK 目录 1 介绍2 原子提交问题2.1 同步与异步系统2.2 同步与异步区块链 3 同步系统中的 2PC3.1 2PC 阻塞的必然性 4 区块链非…
import cv2import numpy as npimport matplotlib.pyplot as plt# 加载图像img1cv2.imread(2.jpg,0)imgcv2.imread(num.jpg,0)#简单二值化
ret1,th1 cv2.threshold(img,127,255,cv2.THRESH_BINARY)# Otsus thresholdingret2,th2 cv2.threshold(img,0,255,cv2.THRESH_BINARYcv2…