Jan. 3, 2020, 10:40 a.m.
I used the THETA Magic Filters plug-in, the newest Parter Plug-in (plug-ins made for THETA by independent developers, not RICOH) available through the THETA Plug-in Store. The plug-in processes images and quickly generates interesting transformations of your THETA pictures. It was created by Ed Oliver and Victor Altamirano.
Another example: Black and White