I answered Autodidact's question before I saw your response here so the answer to how I see chop is there.I'm now convince that you're really talking about range versus trend. Thus, you're really calling range as chop via your statement its opposite of trend.
Regardless, there's an old thread that may be useful about chop and it has chart examples.
@ http://www.elitetrader.com/et/index.php?threads/help-ive-been-chopped.277421/
As for scalping, I know scalpers that only prefer trend. I also know scalpers that only prefer range and I know scalpers that only prefer chop. Thus, I really don't know what your definition is about chop but that link above should be useful to you because it does get into the definition of chop.
If as you indicate scalping can be profitable in all types of markets then maybe that's the answer to how to trade chop. Frankly it sounds too good to be true. If scalping is that versatile, why aren't we all learning how to do it?