“Up-Rez” – “Extrapolation” or just “enlarge”…

… regardless of what you call it, it’s making a digital image larger, so you can print a bigger version than your camera’s native resolution allows.

(This is a copy of my blog posting.)

OK: Actually, it WAS a copy of my original blog,  but I’ve made various changes, and it was too tedious to try to keep them both in sync, so just visit 


to see an quick comparison of the various extrapolation software, including Photoshop CC 2014’s new “preserve details” version (which is much better than the old bicubic.)