Bilateral Filter is very slow

[gab1one]

Reported on the forum:

I could reproduce this issue and was able to confirm that the Bilateral Filter in ImageJ is much faster with the same parameters. A first investigation with visualvm indicates that the problem is in our implementation.

The code used in ImageJ can be found here.

[imagejan]

See also https://github.com/imagej/imagej-ops/issues/488