Frame-difference-method

two-dimensional maps on a torus or on a square to create new symmetric block encryption schemes. The schemes are especially useful for encryption of large amounts of data, such as digital images or electronic databases.

empirical formula with kaiser clc clear all fs=1000 fc=250 df=50 r=0.001 f=fc/fs dw=2*pi*(df/fs) a=-20*log(r) n=floor(((a-8)/(2.285*dw))+1) if a>50 b=0.1102*(a-8.7) elseif a>=21 && a<=50 b=0.5842*((a-21)^0.4)+0.07886*(a-21) elseif a<21 b=0.0 end w=kaiser(n,b) for i=1:n if i~=(n-1)/2 hd(i)= (2*f*sin((i-((n-1)/2))*2*pi*f))/((i-((n-1)/2))*2*pi*f) elseif i==(n-1)/2 hd(i)=2*f end end for j=1:n h(j)=w(j)*hd(j) end subplot(3,1,1), plot(w) subplot(3,1,2), plot(h) subplot(3,1,3), plot(h,n)

finds dis between 2 nodes and how to join cluster

MATLAB平台实现遗传算法 包括遗传算法与遗传算法以及遗传算法(Genetic algorithms and genetic algorithms and genetic algorithm based on MATLAB platform, including genetic algorithm)

matlab常用程序的源代码，以及演示(matlab source code for common procedures, and presentation)

Demonstrates image compression that can use in image processing

GUI示例,包括基本的GUI和右键弹出菜单的简单例子(GUI examples, including basic GUI and a simple example of the context menu)

(eccv10)Features Image Matching[matlab]源代码((eccv10)Features Image Matching[matlab])

说明：  matlab的数字信号处理及其实现。对入门的朋友很好，有很多例子(matlab digital signal processing and its realization. A good friend of entry, there are many examples of)

This program computes finite difference formulas of general order.