中文说明：线性平滑滤波器，用MATLAB实现领域平均法抑制噪声程序，直方图均衡化,自己编写的程序，程序能够运行出正确的结果，希望对各位有帮助。
English Description：
Linear smoothing filters, using MATLAB to realize mean noise suppression program, histogram equalization, to write your own programs, programs can run out the correct results, I hope to help you.