https://www.skillshare.com/classes/photography/Photoshop-Basic-2-Damage-Control/596284854
 

Damage Control is all about looking at loose parts of information and combining them one at a time to re-solve many problems within an image. This class will not only help you spot what's wrong in a picture, but will teach you the skills to correct those painfully glaring mistakes like a pro.


Some topics include:

Perspective Corrections on “Tipping” Images
ISO Noise Removal
Improving Under and Over Exposed Images
Handling Blurry Images
Pseudo HDR
Shake Reduction
Liquify
Proper Resizing and Scaling
Saving Old Photographs