step reponse

function Luv_back = rgb2luv(Im_rgb) takes an image in Rgb coords and returns either a vector or an image in Luv coords, depending on Type (Image or vector).

中心逼近式改进灰色模型滑坡形变预测预报代码，自己写的，带有详细的解释(Center approach to improve the gray model of landslide deformation forecasting code, wrote it myself, with a detailed explanation)

Matlab图像处理实例详解第四章源码，欢迎大家下载学习，很好很强哟！！(Detailed examples Matlab image processing source code chapter are welcome to download the study, very strong yo! !)

说明：  人脸识别matlab程序 with a principal components analysis for a set of face images as the theme(Face recognition matlab procedures with a principal components analysis for a set of face images as the theme)

对于资料短缺的情况进行线性插值，并对差值之后的数据进行保存(For information shortage, linear interpolation)

边缘提取，能方便获得边缘坐标，较为准确的边缘提取方法(Edge detection, ease of access to the edge of coordinates, the more accurate edge detection methods)

说明：  利用耦合模理论，仿真折射率调制对长周期光纤光栅的透射谱的影响，画出其透射谱线图。(Using the coupled mode theory, simulation refractive index modulation for long-period fiber grating transmission spectra of the impact of transmission lines to draw the map)

计算AR模型的参数，包括滤波、去趋势化、AIC判断阶数、计算AR模型系数。(Calculation AR model parameters, including filtering, detrended, AIC judgment order to calculate the AR model coefficients.)

在数字图像处理中，运用MATLAB中的函数mat2huff可以实现图像的哈夫曼编码(Huffman coding in digital image processing, the use of the MATLAB functions mat2huff can achieve the image)

希尔伯特变换hilbert得到的解析信号，并对变换结果进行傅里叶变换，观察频谱分布(Hilbert transform to obtain the analytic signal, and transform the results of Fourier transform, observe the spectrum distribution)