Playing with curves, part 2

One thing I knew but forgot to mention was that the sinusoidal curve I created has one bad side effect. You will lose a fair amount of colour definition. Never save on top of the original image! Always work on a copy. :)

Bringing the colour curve back for an image you have manipulated this way, this is what you would now see:

Here is a crop of the swan photo below. This crop is from the original. I sharpened the crop a little and applied a similar colour curve as before.