sig_ref

to find the iris radius and center using image thresholding and center approximation..

说明：  matlab 数值积分工具箱 MATLAB Toolbox for 1-D, 2-D, and n-D Numerical Integration(matlab numerical integration toolboz)

基于Matlab开发滤波器，设计滤波器各种函数(Matlab Filter Design a variety of functions.)

Simple Genetic Algorithm coded in matlab

基于matlab实现对一维信号的分解与重构，在信号处理中有相当的使用价值。(Matlab based on the realization of one-dimensional signal decomposition and reconstruction, in signal processing have considerable value.)

Energey Detection ROC plot. Probablity of detection vs Probablity of false alarm.

forward and backward search

MATLAB的中文帮助文档,适合MATLAB的初学者，以及不涉及MATLAB复杂功能的学生(matlab s chinese help document)

This code applies local histogram equalization on an input image with a view to improve its contrast ratio. The image is read, converted to grayscale and resized with the inbuilt function of MATLAB. The window size may be changed, however, the window shift is as per size of the window. The output is definitely a better contrast image as compared to the input but checkerboard effect is evident.

说明：  此程序给出信号的多分辨率分析（Multiresolution Analysis），即信号的多分辨率分解（Multiresolution Decomposition）方法及应用。该程序是一个多抽样率系统（Multirate System）举例，用M个的滤波器，将信号的频谱等分成M部分，使所得抽样频率降为1/M，然后再依据它们的“重要性”给一不同的bit数，那么所传输的bit流必然会进一步下降，起到压缩带宽的作用。(This program gives the signal of the multi-resolution analysis (Multiresolution Analysis), the multi-resolution signal decomposition (Multiresolution Decomposition) method and its application. The program is a multirate rate system (Multirate System) example, with M a filter, the signal' s frequency spectrum is divided into M parts, the proceeds of sampling frequency reduced to 1/M, then according to their &quot importance&quot to the bit of a different number, then the transmitted bit stream is bound to decline further, to play the role of bandwidth compression.)