Thanks for the link. Are you sure the details you're seeing in the jpg aren't just artifacts? There's only one thing I see in the middle wall that I am confide

Thanks for the link. Are you sure the details you're seeing in the jpg aren't just artifacts? There's only one thing I see in the middle wall that I am confident is supposed to be there in the jpg. The nature of lossy compression is that you need to decide where the losses will be. I think BPG is making the right choices.