These programs demonstrate how to use the Philips SPC 900 NC webcam with its features (gain control, shutter speed, ...) along with the OpenCV library. This could be useful to anybody who is doing computer vision and wants to run a low budget but

本文详细研究了HTTP协议报文的内容，对于HTTP协议 有了全面深入的了解；在此基础上，本文给出了构建HTTP隐蔽通道 的三种通用模型(简单HTTP模型、代理模型、CGI模型)和四种常用 的方法(GET方法、HEAD方法、POST方法、PUT方法)- The thesis structure is as follows: Firstly, this dissertation not only investigates the message structure of