Chuong-4

说明：  傅里叶变换能将满足一定条件的某个函数表示成三角函数（正弦和/或余弦函数）或者它们的积分的线性组合。利用傅里叶变换可对语音信号消噪。(ourier transform to meet certain conditions can be expressed as a function of trigonometric functions (sine and/or cosine functions), or their integral linear combination. Fourier transform to denoising the speech signal.)

用matlab实现带有动画演示的加尔顿顶板演示，第一次matlab实验。(Using matlab to achieve with the roof加尔顿Animation presentation of the first experiment matlab.)

Facial expression in real time code..this is good for all face both Natural and IR

对109号心电数据进行信号处理，去除噪声以及对R波进行识别与标注(reduce noise in ECG)

指纹识别的matlab程序，实现指纹图片的二值化、细化、计算图形中心、存入数据库、指纹匹配等功能， (Fingerprint Recognition matlab procedures realize fingerprint image binarization, thinning, computing graphics center, database, fingerprint matching and other functions,)

matlab编程，实现对视频中运动人体的检测，代码简单易懂(matlab programming, video detection of the human body in motion, the code is easy to understand)

这是关于matlab数字图像处理来针对图像处理和检索的论文,从整体上来把握框架和过程。(This is the digital image processing for matlab image processing and retri of paper, the whole to grasp the framework and process.)

matlab code for beging cc motor...

程序包括EFICA，WASOBI及两者的结合，可以快速实现盲源分离。(The program includes EFICA, WASOBI and their combination, can quickly achieve blind source separation.)

Write two e￠ cient MATLAB functions, qrhouse.m and qrgivens.m, that compute the QR decomposition of a matrix using Householder transforma- tions and Givens rotations respectively