HDR

High Dynamic Range imaging was originally developed in the 1930s and 1940s by Charles Wyckoff.

In 1997 this technique of combining several differently exposed images to produce a single HDR image was presented to the computer graphics community by Paul Debevec.

This method was developed to produce a high dynamic range image from a set of photographs taken with a range of different  exposures.

In the process below we have taken 3 photos. 1 under exposed, 1 over exposed and one at normal exposure.

Then using state of the art software, we combine the images to give a tone mapped image as below. We normally use this photography method for our Virtual tour system.