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完整的Matlab下人脸检测及识别系统源代码 Face Recognitio完整的Matlab下人脸检测及识别系统源代码(face recognition)

matlab实现傅里叶变换和傅立叶反变换(Implement fft and ifft)

A Costas loop is a phase-locked loop used for carrier phase recovery from suppressed-carrier modulation signals, such as from double-sideband suppressed carrier signals. It was invented by John P. Costas at General Electric in the 1950s. Its invention was described as having had "a profound effect on modern digital communications".

本代码为基于matlab的小波功能实现一书中9到19章节中的代码，包括术中各例题的代码。(The code for matlab-based wavelet function of a book of the 9-19 section of the code, including the code of the examples in the surgery.)

用以计算离散信号的均值，均方根值，方差，峭度和歪度(The mean value of discrete signal to the RMS value, variance, kurtosis and skewness.)

说明：  用于计算图像鲁棒性的峰值信噪比和归一化相关系数。峰值信噪比值越大，说明图像处理效果越好，鲁棒性强，越小越不好。归一化相关系数值越大越好。(Images used to calculate the peak signal to noise ratio and robustness of the normalized correlation coefficient. The greater the peak signal to noise ratio, indicating that the better image processing, robust, the smaller the worse. Normalized correlation coefficient the better.)

Hilbert transformation

Alamouti Code to achieve diversity without channel knowledg at the transmitter It is assumed that system contains 2 transmit antennas and one receive antenna.

Using the idea from Seam Carving for Content-Aware Image Resizing, the codes enables a selected image to resize without having distortion of important object in the image file.

MATLAB串口接受并用GUI显示数据曲线(MATLAB receive the date by using COM and plot in GUI.)