在视频文字检测以及提取方面，比较好的参考论文，大家可以下载参考！-Video text detection and extraction, a good reference papers, everyone can download the reference!

本文档包含了对四篇论文中Videotext的内容检测方法概述，其中有通过前景后景变化差异检测，边角特性检测等方法进行text的detection或者recognition-This document contains the contents of four papers in Videotext detection methods outlined, including the detection text carried out by the method of difference sce