HDR Skies: Beautiful Time-Lapse Film of the French Countryside

French photographer Tanguy Louvigny created this time-lapse film of bucolic Normandy and Brittany using High Dynamic Range (HDR) imaging techniques.

From forest floor to setting sun, Louvigny's shots render fine detail across an extremely wide range of luminosity. To achieve this he used the auto-bracketing feature of his Canon EOS 400D and 60D cameras to create three different exposures for each frame in the film. (At 30 frames per second, that's 90 exposures for each second of screen time.) Louvigny then merged each set of three exposures into one image using Photomatrix Pro 4.0 software, selectively tone mapping each sequence to hold detail in some areas while allowing others to go dark.

To create the moving-camera effects, Louvigny designed and built his own robotic three-axis motion system using Tetrix motors and a LEGO Mindstorms control system, which he programmed in ROBOTC language. This allowed him to automate the tortoise-like dolly, pan and tilt movements. Louvigny edited the digital film in Adobe Premiere and After Effects software. To top it off he composed his own music on a Roland MC-808 groovebox. For more information, go to the photographer's website and Vimeo page.

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