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对于指纹图像,无论在频域或是在空域处理时,都要用到指纹的方向性信息,所以求取指纹方向图就显得格外重 要。求取指纹图像方向图的方法有很多种,文中列出了其中几种易于实现的算法。目的在于比较几种求取方向图的算法, 得到这几种方法的性能,以利于不同场合的要求。(good )

matlab的图论工具箱，基本够用了，大家试一试。(matlab toolbox graph theory, basic enough, please try.)

这是一个数据归一化处理的程序，对于数据想要归一化处理，这是一个不错的参考。(This is a process of data normalization procedures for the data you want to normalize, which is a good reference.)

关于开关控制的c源文件，可以控制灯自锁、点控。(C source files on the switch control, can control the lamp self-locking, point control.)

dct与fft联合信号处理,及改进的ESPRIT算法，提高信号分析精度(dct and fft joint signal processing and improved ESPRIT algorithm to improve the accuracy of signal analysis)

DCT去噪，利用MATLAB实现DCT去噪，从而提高图片质量。(DCT de-noising, de-noising using MATLAB realize DCT, thereby improving image quality.)

用FDTD做的光子晶体分析，能带，禁带作出了具体的分析和图像(PC FDTD Photonic Crystals)

常用的一些图像处理Matlab源代码，包含很多常用的比较基础的处理算法(Some commonly used image processing Matlab source code, including many commonly used basis of comparison of the processing algorithms)

本文概述了使用MATLAB图像去噪的基本原理。以小波分析法为重点，对常用的几种去噪方法进行了分析比较。最后结合理论分析和实验结果，讨论了一个完整去噪算法中影响去噪性能的各种因素。(This paper outlines the basic principles of image denoising using MATLAB. Wavelet analysis, focusing on several commonly used de-noising methods were analyzed and compared. Finally, the theoretical analysis and experimental results, discusses the various factors that affect a complete de-noising algorithm denoising performance.)

分数阶微积分的matlab实现的一种实现方法（英文），采用Oustaloup滤波器逼近来估算分数阶微积分。(Matlab implementation of the fractional calculus, an implementation method (English), the use of Oustaloup filter approximation to estimate the fractional calculus. )