APE_Chat_Demo

Scale Invariant Feature Transform (SIFT) has shown to be very powerful for general object detection/recognition. And recently, it has been applied in face recognition. This is the matlab code.

说明：  广谱X射线衰减的非线性 广谱X射线衰减的非线性(X-ray attenuation of the nonlinear spectrum)

小波包分析频带能量，应用小波包分析爆破震动信号不同频带的能量分布(Wavelet packet analysis band energy)

例子滤波的源代码,很基础，便于初学者学习粒子滤波 (Filtering source code examples, very basic, easy for beginners to learn particle filter)

implement PRM to check collision robot and obstacle

MATLAB实现振动信号频域处理：随机信号谱分析和利用窗函数实现(MATLAB realization of vibration signals in the frequency domain processing: random signal spectrum analysis and the use of window function to achieve)

methods of Direction of arrival estimation. (DOA) such as MUSIC, MVDR, Min-Norm and Classical Beamforme.

说明：  包含很多matlab实用程序，设计各个方面的应用。(Matlab contains a lot of utility, design all aspects of the application.)

利用样条差值法，根据已知坐标，绘制整条曲线。 数学建模实例，很有用的。(Using spline difference method, based on the known coordinates, drawing the whole curve. Mathematical modeling examples, very useful.)

说明：  粒子滤波算法代码,用于目标跟踪,基于粒子滤波算法的动目标跟踪(particle filter used in object tracking)