I have a problem with log while implementing vague shadow mask but the R component is already in uint8.

r=log®; Undefined function 'log' for input arguments of type 'uint8'.

Answer 1

[Titus Edelhofer]

Hi,

you need to convert back to double:

r = log(double(r));

If you afterwards go back to uint8 (which probably makes little sense), then use uint8 to convert.

Titus