两部收缩迭代，压缩感知

matlab中大津法（otsu）的源代码程序，已经经过测试，可以在matlab中直接运行(matlab in Otsu (otsu) program source code, has been tested and can be run directly in matlab)

将文件转换后导入数据库，并提高相关数据库读写等操作的示例-conversion of documents into the database, and to enhance the relational database operations such as reading and writing sample

网站上的验证码图片识别，需将验证码下载下来，无法在线识别（网上转载）(Picture identification verification code on the site, you need to verify the code download, you can not line identification (online reprint))

a star pathfinder v. 1.92，高效的A*寻路，一个外国牛人写的，可以编译直接运行(A star Pathfinder v., 1.92, A* pathfinding, a foreign expert to write, can be compiled to run directly)

对比CPU和GPU加速，pcl::cuda的使用教程，利用随机采样一致(RANSAC)去除地平面等例子。(Compare CPU and GPU acceleration, pcl::cuda tutorial, using random sampling consistency (RANSAC) to remove ground plane and other examples.)

说明：  NRF52832 的广播中加入发射功率等级实验(Transmitting Power Level Experiments in NRF52832 Broadcasting)

说明：  OllyICE v2.01b 看雪专版修正汉化专业版 ，包含脚本。(OllyICE v2.01b Special Edition)

C# 目录与文件操作源码集，程序运行需要调用Interop.Scripting.dll文件，功能有获取指定目录中的所有子目录，获取指定目录中的子目录和文件、按条件过滤指定子目录中的文件、按条件过滤指定子目录中的子目录、过滤指定目录中的子目录和文件、以不同的方式创建多层目录、使用递归函数复制多层目录、增加指定目录的访问权限：NTFS 2003环境测试等。

有一存储很多商品数据(每件商品的属性先后包括：品名、规格、单价(有小数位)、数量，数据的最长长度分别为20、10、6、5，在文件中以空格为分隔，每个商品的数据占一行)的文本文件，从键盘输入某种商品的品名，要求在文件中查找有无相应品名商品(可能有多条记录或没有)，若有则在屏幕上显示出相应的商品的品名、规格、数量、单价(显示时，品名、规格、数量、单价之间使用逗号(,)作分隔，单价显示时只显示2位小数)，若无则显示没有相应品名的商品。 (There are a lot of goods stored data (each item has the attributes include: name, size, price (with decimal places), quantity, the maximum length of the data were 20,10,6,5, a space in the file is separated The data for each item per line) text file, input from the keyboard of a commodity name, asked whether the corresponding file for the product name (may be multiple records or did not), if it is displayed on the screen of the corresponding product name, size, quantity, unit price (display, name, size, quantity, unit price between a comma (,) as a separator, price display shows only two decimal places), if not then show no corresponding product name .)

51单片机实现矩阵按键控制液晶显示1~F(51 Single Chip Microcomputer Realizes Matrix Keyboard Control LCD Display 1~F)