Ewan's Corner

High Dynamic Range Imaging (HDRI/HDR or Hyper Imaging) produces some amazing photographs.

From Wikipedia: HDR(I) is “a set of techniques that allows a greater dynamic range of exposures (the range of values between light and dark areas) than normal digital imaging techniques. The intention of HDRI is to accurately represent the wide range of intensity levels found in real scenes ranging from direct sunlight to shadows.”

But put simply the photographer uses software to combine multiple photographs of the same scene, each taken with different exposures. The result is a photo with a wider range of light and dark tones than would otherwise be possible with one exposure – in theory photos which are closer to the way a human eye would see a scene (although the range can be wildly exaggerated for artistic / bizarre effect).

These are a few of my favourite examples – nice to see some astrophotography uses and my favourite obsession bridge :-)

Links:

• Astrophotography pool on Flickr
• Wikipedia HDRI topic (some great images here too)
• More of my favourites – Positano and The Grotto (youtube video, another Flickr photoset, view in Google Earth… I’ll stop now).

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