是位图介绍，还有位图边缘检测，主要是用来学习的-Is a graph descr iption, there is a bitmap edge detection is primarily used for learning

This project aims to develop and share fast frequent subgraph mining and graph learning algorithms. Currently we release the frequent subgraph mining package FFSM and later we will include new functions for graph regression and classification package

图形识别，机器学习，数字识别，python学习(Graph recognition, machine learning, digit recognition, python learning)