With this technique, the digital image convolution can be realized, therefore, the image low-pass filtering, image high-pass filtering, edge-enhancing could be realized.

采用这种技术，可以实现数字图像卷积运算，因此可以完成图像的低通滤波、高通滤波、强化边缘等处理。

youdao

With this technique, the digital image convolution can be realized, therefore, the image low-pass filtering, image high-pass filtering, edge-enhancing could be realized.

采用这种技术，可以实现数字图像卷积运算，因此可以完成图像的低通滤波、高通滤波、强化边缘等处理。

youdao