Biomedical Engineering, Photography, Music

Friday, January 22, 2010

High Dynamic Range Images, Part 2

One common misconception about HDR images is that the output image should be much more saturated than the original. In some cases this may be a decent solution, but most of the time it only creates an unrealistic surreal image that does not come close to accurately depicting the visual nature of things.

The idea of an HDRi is to take several exposures and blend them together, giving a larger possible exposure range compressed into one image. It’s an attempt to put everything in the image how the eye would directly see it. This exposure correction is something your camera cannot do natively unless it’s just amazing. Composing such images are most useful when you have a very bright and very dark element together in one frame.

More is to come on how to use Adobe Photoshop to get a precisely balanced HDRi.

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