Johny wrote:
> Can anyone give me an example how to apply a threshold value to an
> image?
> (everything above a certain brightness level becomes white, and
> everything below the level becomes black.)
> I was told I should use 256-item mapping table and pass it to the
> "point" method.
> But how s
Can anyone give me an example how to apply a threshold value to an
image?
(everything above a certain brightness level becomes white, and
everything below the
level becomes black.)
I was told I should use 256-item mapping table and pass it to the
"point" method.
But how should the 256-item mapp