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现代信号处理教程（胡广书）对应的MATLAB程序(modern signal processing Guide (HU-book) corresponding MATLAB)

对特征选择与提取进行介绍，及几个特征提取方法简介(For feature selection and extraction are introduced, and several feature extraction methods Introduction)

说明：  能够检测图片的特征点，利用DOG算子，实际测试方便，算法清晰，有相关参考文章链接(Be able to detect image feature points)

直方图增强的，动态频数均衡，用matlab编写(Histogram enhanced, dynamic frequency equalization, using matlab write)

yuv格式的视频分解成每一帧图像，使用的是matlab语言(yuv format video into each frame, using matlab language)

盒子覆盖方法,用于求分形网络的维度，是复杂网络分析的重要手段(box-covering metthod,fractal demession,self-similar )

这是我们非线性课程的一次作业，有分岔图，蛛网图，庞加莱截面，希望对大家有用。(This is our first non-linear operation of the curriculum, there is bifurcation diagram, spider diagram, Poincare section, in the hope that useful to everyone.)

说明：  虚拟内窥镜关键技术研究 虚拟内窥镜技术（Virtual Endoscopy）是虚拟现实技术在现代医学中 的应用。它利用医学影像作为原始数据，融合图像处理、计算机图形学、科 学计算可视化、虚拟现实技术，模拟传统光学内窥镜的一种技术。它克服了 传统光学内窥镜需把内窥镜体插入人体内的缺点，是一种完全无接触式的检 查方法。虚拟内窥镜的研究旨在为医生提供诊断依据，还可应用于辅助诊断、 手术规划、实现手术的精确定位和医务人员的培训等。(Research on key technologies of virtual endoscopy virtual endoscopy (Virtual Endoscopy) is a virtual reality technology in modern medicine. It has made use of medical imaging as an original data, the integration of image processing, computer graphics, scientific visualization, virtual reality technology to simulate a conventional optical endoscope technology. It overcomes the traditional optical endoscope to be inserted into the endoscope body of the shortcomings of the human body is a no-contact inspection method. Virtual Endoscopy of the study was to provide diagnosis for doctors, but also applies to diagnosis, surgical planning, to achieve precise positioning of surgical and medical personnel training.)

水印要求完全不被修改，完全脆弱水印一般是从空域LSB算法演变而来。(Watermark demands nothing to modify, the fragile watermark is completely general LSB algorithm has evolved the airspace。)

说明：  雷达中的微多普勒效应，书中的源代码，很好的实现原书中的实例操作，掌握雷达分析技术(The source code of micro Doppler effect book in radar)