| Table of Contents ▸ List of Commands ▸ Filtering ▸ sharpen | ◀ rolling_guidance | smooth ▶ |
sharpen | Built-in command |
Arguments:
- amplitude>=0 or
- amplitude>=0,edge>=0,_alpha,_sigma
Description:
Sharpen selected images by inverse diffusion or shock filters methods.edge must be specified to enable shock-filter method.
Default values:
alpha=0 and sigma=0.
Examples of use:
• Example #1
$ gmic image.jpg sharpen 300
• Example #2
$ gmic image.jpg blur 5 sharpen 300,1
