Photography HDR (or HDRI, High Dynamic Range Imaging) is an image processing technique that seeks to cover as range of exposure levels in all areas. This is achieved by blending several photos of the same image with different exposures.
HDR technique allows all areas of the picture are perfectly exposed, but have very different brightness levels and contrasted. This gives details on the entire picture even a single shot has a great contrast between highlights and shadows.
There are several programs to assist in transforming photographs into HDR. Photoshop CS2incorpora this functionality, but without doubt the most known and used for this task is Photomatix. Another option is Artizen HDR.
Here I leave a tutorial sencillito to do so.
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