>>2098275Yes.
You have to use selection tools.
In this case, I set the color-wand to a low number and clicked where the "+" is. Only white pixels (or nearly white) were selected.
I could have gone on, selecting other areas or de-selecting ones I wanted to remain.
Then I feathered the selection one pixel to eliminate jaggies.
I flood-filled the selection with green so you could see how it works. But I could have erased (made transparent) the selection just as easily.
It's not difficult.
In an image like this, the hard part would be selecting the background yet leaving the white areas of the girl solid.
Just takes patience.