The main tasks are as follows:(1) According to experiment and analyzing of several common filtering methods, median filter method and Gaussian filter method were improved in this paper.

主要工作如下：（1）通过几种常见滤波方法的实验与分析，改进了中值滤波法和高斯滤波法。

youdao

Experiments show that his method overcomes the defect of blocky effect in mean shift filtering, and is superior to mean shift filtering, Gaussian scale space filtering and median filter.

该方法克服了均值漂移滤波存在块状效应的缺点。实验结果表明，该方法的整体性能优于均值漂移滤波、高斯滤波和中值滤波。

youdao

Based on the method of matrix decomposition, and the Collins diffraction integral formulae, the propagation characteristics of a Gaussian beams passing through misaligned spatial filter are studied.

采用矩阵分解的方法，从柯林斯衍射积分公式出发，对高斯光束通过失调空间滤波器的传输特性进行了分析，得到了相应的解析式。

youdao