HDR – High Dynamic Range. Recently the craze for HDR image has gone up with introduction of high-end camera and screens. There are various kinds of software such as Photoshop, Photomatrix or FDR tools that makes creating a HDR image simple.
All you need is a camera and photo editing software that supports layer masking. The goal is to blend multiple exposures of the same scene into a single image in order to get a result that has more dynamic range than your camera is capable of recording.
As the name suggests, healing brush fixes blemishes or removes things from photos. This process requires a great attention to details and has to be done patiently for an awesome outcome.