FIR 底通和带通滤波器和IIR 底通和带通滤波器，使用混沌与分形分析的例程，是机器学习的例程，仿真效率很高的，可以动态调节运行环境的参数，在MATLAB中求图像纹理特征。- Bottom-pass and band-pass FIR and IIR filter bottom pass and band-pass filter, Use Chaos and fractal analysis routines, Machine learning routines, High simulation efficiency, Can dynamically adjust the parameters of the operating environment, In the MATLAB image texture feature.