https://mattepaint.com/academy/series/camera-tracking-advanced-projections-nuke/

Learn all about Camera tracking in Nuke. Stefan first steps through all the setting you need to know for the camera tracker node. Camera projections are a key technique for Matte Painters to understand. The process involves "projecting" an image through a camera and onto 3D Geo. If there's a live-action plate shot, that is usually used as the projection camera...