I have a bunch of images of rocks that look like this:

[![enter image description here](https://i.stack.imgur.com/OOZBD.png)](https://i.stack.imgur.com/OOZBD.png)

... and I deep etched this one by hand to look like this:

[![enter image description here](https://i.stack.imgur.com/cmfy4.png)](https://i.stack.imgur.com/cmfy4.png)

Sadly, I have a load more to do.

I have trouble getting actions to separate the rocks from each other - my Photoshop Kung Fu ain't too strong.

Does anybody know how to create a Photoshop action that can do this to all the photos automatically so I don't have to?