Filter ordering question for B&W
Posted: February 1st, 2022, 11:33 pm
I was curious about where to do monochrome conversion in the process flow, so I opened an image
and used a splitter to create create two workflows with Monochrome and Unsharp Mask operations in
opposite order. The results compare, on a simple test, to be be identical assuming identical settings
for both operations. On the surface, this is a bit puzzling, I would have different results. I suspect
that since Unsharp Mask must operate on each color plane separately and it is a linear operation, that
the result pf the two operations is communicative, ie, the result is operation order independent.
I can imagine operations where this is not true, but in this case I suspect it is.
Comments or observations?
Thanks!
John P
and used a splitter to create create two workflows with Monochrome and Unsharp Mask operations in
opposite order. The results compare, on a simple test, to be be identical assuming identical settings
for both operations. On the surface, this is a bit puzzling, I would have different results. I suspect
that since Unsharp Mask must operate on each color plane separately and it is a linear operation, that
the result pf the two operations is communicative, ie, the result is operation order independent.
I can imagine operations where this is not true, but in this case I suspect it is.
Comments or observations?
Thanks!
John P