Linux command
pnmsmooth 命令
文本
涉及管道、覆盖或删除，执行前请先确认路径和参数。
常用示例
Smooth/blur image
pnmsmooth [input.pnm] > [output.pnm]
Smooth with custom size
pnmsmooth -size [5] [input.pnm] > [output.pnm]
Multiple passes
pnmsmooth [input.pnm] | pnmsmooth > [output.pnm]
说明
pnmsmooth applies a smoothing (blur) filter to a PNM image using convolution. It averages neighboring pixels to reduce noise and sharp edges. Wrapper around pnmconvol with a smoothing kernel.
参数
- -size _n_
- Convolution size (default 3).
- -dump _file_
- Dump convolution matrix.
FAQ
What is the pnmsmooth command used for?
pnmsmooth applies a smoothing (blur) filter to a PNM image using convolution. It averages neighboring pixels to reduce noise and sharp edges. Wrapper around pnmconvol with a smoothing kernel.
How do I run a basic pnmsmooth example?
Run `pnmsmooth [input.pnm] > [output.pnm]` in a terminal, then adjust file names, paths, flags, or remote targets for your system.
What does -size _n_ do in pnmsmooth?
Convolution size (default 3).