Wednesday, March 18, 2015

'Unbroken' VFX & Rotoscoping with Hybride

In the Angelina Jolie film, Hybride, a division of Ubisoft, takes the concept of VFX and rotoscoping to a whole new level. Given the complexity of recreation the Berlin Olympic Stadium as a virtual replica, Hybride needed to match the accurracy of the crowd in each of the 50 actions shot. But unlike the average CG crowd, Hybride needed to construct a tool that would allow the added flexibility required for the film's completion.

Considering the stadium’s size and numerous camera movements showcased throughout the film, the technique for creating the magnanimous CG crowd varied according to each camera point of view. On top of the varying camera movements, the size of the environment made it impossible to use a green-screen for most of the live actions scenes. As a result, the foreground plates had to be rotoscoped and integrated over the CG backgrounds. Hybride's technique allowed for greater freedom and speed for the camera operators when shooting action scenes from the foreground camera perspective. According to the director of photography, Roger Deakins, the main goal was to to always have the effects shows fit perfectly into pristine composted and lit shows to make up the live-motion portion of the film. The greatest amount of accuracy was required in the tracking and layout work in order to actively blend the CG elements to the rest of the camera shots. As a result of the crew's strong production ability, the production was produced with the highest quality possible.

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