各种kalman滤波器的设计，包含位置式PID算法、积分分离式PID，最大似然（ML）准则和最大后验概率（MAP）准则，结合PCA的尺度不变特征变换(SIFT)算法，包含优化类的几个简单示例程序，用MATLAB实现的压缩传感。-Various kalman filter design, It contains positional PID algorithm, integral separate PID, Maximum Likelihood (ML) criteria and maximum a posteriori (MAP) criterion, Combined with PCA scale invariant feature transform (SIFT) algorithm, Optimization class contains several simple sample programs, Using MATLAB compressed sensing.