pamoil
Turn a PAM image into an oil painting. More information: https://netpbm.sourceforge.net/doc/pamoil.html.
- Turn a PAM image into an oil painting:
pamoil {{path/to/input_file.pam}} > {{path/to/output_file.pam}}
- Consider a neighborhood of N pixels for the "smearing" effect:
pamoil -n {{N}} {{path/to/input_file.pam}} > {{path/to/output_file.pam}}