平面图像消噪
[摘要] 分析了噪声图像的直方图，对比了均值滤波、中值滤波和Wiener滤波对噪声图像的滤波后的效果，得到Wiener滤波器的效果较好，仔细的分析了其原理，它是一种自适应的滤波器。然后再此基础上，添加了巴特沃斯低通滤波，滤掉高频的噪声分量，使图像得到了进一步增强，效果较好。
[关键词] Wiener滤波器；巴特沃斯滤波器；低通滤波；直方图
The plane image noisy
[Abstract] With the analysis of the noise histogram and comparing the noise filtering effect of the image by the three filters, which include mean filter, median filter and wiener filter, we get better Wiener filter, careful analysis of its principles, it is an adaptive filter. On this basis then, add the Butterworth low-pass filter, filter out high frequency noise components, so that the image has been further enhanced, the effect is better.
[Keywords] Wiener filter; Buterworth filter; low pass filter; histogram
图像在获取、传输等过程中难免会由于环境条件、传感器件质量传输信道等因素的不完善形成噪声，使图像退化，若进行某些处理，比如特征提取、图像分割、对象识别等，其处理的效果好坏很大程度上取决于处理前的预处理效果和质量。尤其对于一些地信噪比图像，噪声使得图像上某些像素点不能正确地反映出实际对应点的灰度值，严重影响后期处理效果[1]。
*若需了解更多与协助请咨询↓→[电脑QQ][手机QQ]【数据协助】
