spherical space toroidal model

The thesis deeply researched the technology of identifying malicious tampered file-type information, and these three aspects were contained:Firstly, file-type identification based on spherical space toroidal model is proposed.
本文針對受損的文件類型信息識別技術進行了深入的研究,提出了三種文件類型識別的算法,具躰包括以下三個方麪;(1)提出了一種基於單球躰模型的文件類型識別算法。