The output from Nano Banana, even when it is ostensibly drawing "single color" shaded areas, is so jittery that it can be challenging to threshold it.
The output from Nano Banana, even when it is ostensibly drawing "single color" shaded areas, is so jittery that it can be challenging to threshold it.
Nano Banana Pro is better at that type of thing, so I suspect Nano Banana 2 will be sufficient.