I pulled in the image from the article and tried it myself. A few minutes of fiddling around with the various filters, I got this result: https://imgur.com/82y

I pulled in the image from the article and tried it myself. A few minutes of fiddling around with the various filters, I got this result: https://imgur.com/82yHUoM https://imgur.com/82yHUoM I reckon that'd be enough to run through a database.