In computer graphics and photography, high dynamic range imaging (HDR) is a set of techniques that allow a far greater dynamic range of exposures than normal digital imaging techniques. The intention of HDR is to accurately represent the wide range of intensity levels found in real scenes ranging from direct sunlight to the deepest shadows.
HDR was originally developed for use with purely computer-generated images. Later, methods were developed to produce a HDR image from a set of photos taken with a range of exposures. HDR refers to the process of tone mapping together with bracketed exposures of normal digital images, giving the end result a high, often exaggerated dynamic range.
i use a tripod and take 3 shots in RAW of the same scene using three different exposures. usually i go +2, 0 -2 without moving the camera. i take these three images into a HDR program which combines them into one image. i then take that image into photoshop and make the end results you see. these are the very first attempts at this process.
