摘要
为改善图像质量,使图像在频域范畴内得到增强,采用高低通滤波器对原始图像进行一系列增强处理,并比较它们的增强效果。结果表明采用高频滤波不但会使有用的信息增强,同时也使噪声增强。相比之下,低通滤波器的处理效果较好。
To improve the quality of image and enhance the image in range of frequency area, images are enhanced by adopting the arithmetic of high-pass filter and low-pass filter, and using image multiplication and addition. The effects are compared. Results show that the use of high-pass filter not only make the helpful information tone, but also make the noises tone. In comparison with low-pass filter, the effect of high-pass filter is better.
出处
《电脑与电信》
2009年第7期76-77,80,共3页
Computer & Telecommunication
关键词
频域
图像增强
低通滤波
高通滤波
frequency domain
image enhancement, high-pass filter
low-pass filter
