4_DCT

说明：  时频分析工具箱《基于MATLAB的系统分析与设计——时频分析》源码(Time-Frequency Analysis Toolbox)

所有LSB算法的代码实现。对做信息隐藏方面很有帮助(LSB algorithm code. Hidden aspects helpful to do information)

matlab编写的随机森林算法，网上下的，拿来分享一下(Random Forest algorithm, matlab prepared online, and brought it to share)

Hough Transform to recognize circles shapes an image.

说明：  交互式图像处理的演示程序，可以作为matlab教学中的示例程序(Interactive demonstration of image processing procedures, matlab can be used as an example of teaching procedures)

P0311：利用巴特沃斯（Butterworth）低通滤波器对受噪声干扰的图像进行平滑处理(P0311 : use Butterworth (Butterworth) low-pass filter on the noise in the image smoothing)

质心算法 基于MATLAB 毕设的源代码(Centroid algorithm is based on MATLAB)

飞行器纵向3自由度非线性动力学模型的线性化(Aircraft vertical 3-DOF nonlinear dynamic model linearization)

信号相干时MUSIC算法与改进MUSIC的比较仿真源代码(Signal coherence between MUSIC algorithm and improved MUSIC simulation source code)

用EWMA（garch（1，1））模型进行计算，rolling window的形式(use the method of rolling window size equals to 250, adopt EWMA model which also calls Garch(1,1) to calculate the Value at Risk)