Java Opencv implementation of thinning binarization

1. OpenCV is used to verify corrosion and expansion, and only screenshots are needed for recovery. Please refer to Chapter 6 of he Dongjian courseware and source code or other resources for details. 2. Use OpenCV to verify the refinement, only the screenshot reply is needed. Please refer to Chapter 6 of he Dongjian courseware and source code o ...

Posted on Fri, 08 May 2020 07:16:56 -0700 by coool

Practice 10 on object programming (operator overloading)

#include<bits/stdc++.h> using namespace std; class point { public : point (int r=0,int i=0):real(r),image(i){} point operator +(point &c1); point operator +(int r); friend point operator +(int r,point &c2); friend ostream &operator <<(ostream &ouput,point &c); friend istream &op ...

Posted on Sun, 03 May 2020 11:51:06 -0700 by DataSpy

Research on the first two columns of CT107D development board matrix keys do not work

The schematic diagram of CT107D development board matrix key is as follows: The 1-pin and 2-pin of CON3 are connected to form matrix keyboard. //Classical matrix key processing function unsigned char keyProcess(void) { unsigned char keyTemp = 0; unsigned char keyValue = 0; unsigned char P3_Value = 0; P3 = 0xf0; if(P3 ...

Posted on Wed, 01 Apr 2020 05:33:22 -0700 by SmoshySmosh

Bezier curve node

If you see a formula of bezier curve on the Internet, you can use Maya's nodes to realize it and see the effect. The specific formula is as follows: This is a two-dimensional, three-dimensional transformation plus a z-axis, import maya.OpenMayaMPx as OpenMayaMPx import maya.OpenMaya as OpenMaya class ...

Posted on Sat, 14 Mar 2020 08:30:37 -0700 by moose4204l

Understanding Netty Concurrency Tool from Source-Promise

premise Recently, I have been watching Netty-related content and writing a lightweight RPC framework to practice. I found many highlights in Netty's source code. Some implementations can even be described harshly.In addition, Netty provides excellent tools that can be used out of the box.Here's an a ...

Posted on Sat, 25 Jan 2020 02:00:57 -0800 by lehara

Deep understanding of promise in ES6

Author| Jeskson Source|Dada Front End Bistro What is Promise The Promise object is used to represent the final state (completion or failure) of an asynchronous operation and the value it returns. What is synchronous, asynchronous Synchronizing tasks can block program execution, such as alert, for Asynchronous tasks do not block program ex ...

Posted on Tue, 26 Nov 2019 17:11:26 -0800 by mick_otoole

Interface for GO Foundation

1. Concepts1. In object-oriented languages, interfaces are used to define the behavior of objects.Interfaces only specify what the object should do, and the way to implement this behavior (implementation details) is determined by the object.2. In the Go language, an interface is a set of method signatures. Interfaces specify only the methods ...

Posted on Thu, 07 Nov 2019 05:46:46 -0800 by melmoth

Class template case

demand To implement a general array class, the requirements are as follows: Data of built-in data type and custom data type can be stored. Store the data in the array to the heap The capacity of arrays that can be passed in the constructor Provide the corresponding copy constructor and operat ...

Posted on Sat, 02 Nov 2019 00:42:10 -0700 by Azazeal

Constructions of E and Isomorphism of Complementary Maps in the Multi-school Training Camp of Niuke in Summer of 2019 (Game 6)

https://ac.nowcoder.com/acm/contest/886#question Question: Whether there exists an undirected graph G with n vertices is the isomorphism of its complement graph H, if there exists an adjacency matrix of output G and the mapping of H with respect to G. Analytical and constructive questions, the answer is not unique. The original graph has the ...

Posted on Thu, 10 Oct 2019 11:30:23 -0700 by kirtan007

Shell Programming Loop Statement

This article is mainly about the use of shell script loop statements. for loop Designated number of times #!/bin/bash for ((i=1;i<=10;i++)) do echo $i done [root@localhost ~]# vim num.sh [root@localhost ~]# chmod +x num.sh [root@localhost ~]# ./num.sh 1 2 3 4 5 6 7 8 9 10 Ergodic cycle #!/bin/bash TMP=$(cat username.txt) for USER in $T ...

Posted on Wed, 09 Oct 2019 16:10:41 -0700 by Okami