logSpectrumthe-spectrogram--cepstrum

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).

IMAGE COMPRESSION USING WAVELET TRANSFORM

人工地震波生成程序 可根据输入的设计谱，来生成人工地震波，为matlab程序，应用方便(Artificial seismic waves generated program according to the design of the input spectrum afterlife waves adult site, matlab program, easy application)

目标跟踪算法，运用交互多模型算法的卡尔曼滤波器。有文档，有程序，适用于初学者(Target tracking algorithm, using interactive multiple model Kalman filter algorithm)

说明：  对信号进行频域特征提取，先通过傅里叶变换得到信号频谱，再计算频谱特征，包括重心频率，均方频率和频率方差(Firstly, the frequency spectrum of the signal is obtained by Fourier transform, and then the spectrum characteristics, including center of gravity frequency, mean square frequency and frequency variance, are calculated.)

说明：  对直方图进行均衡化，并把结果显示在同一个界面上(Of histogram equalization, and the results displayed in the same interface)

Numerical Methods in Engineering with Python英文原版和代码，通过举例介绍原理和方法，再介绍如何用python实现(Numerical Methods in Engineering with Python English original and code, by way of example describes the principles and methods, and then how to use python to achieve)

说明：  用matlab采集音频，这只需要你的电脑有录音设备，适用于新的R2018a及以上版本(Use matlab to collect audio. It only needs your computer to have a recording device, which is suitable for the new r2018a and above)

给出一种用MATLAB实现信号频谱分析和显示的快速傅里叶算法的方法(FFT)

This package calculates 2D laplace problems using Boundary element method