解决opencv开发中遇到内从泄露的问题

给出了基于opencv的边缘检测代码

OpenCV里面实现了许多特征点检测算法，我花了一段时间去学习和理解，写了一个文档在这，希望对大家又帮助。-OpenCV which implements many features detection algorithm, it took me some time to learn and understand, wrote a document in this, and I hope they help.