Automating camera control for TV & film production (robotic
camera systems) can be essential to production. Jake Dodson from Vitec Group
explained to me at the NAB show that controlling the camera position on a set
can be critical to ensuring reshoots. There is a difference between relative
positioning (learning where it has been from its original position) and
absolute positioning (knowing the exact location). If a camera pedestal has
been moved (set changed), relative positioning systems can result in different
camera angle reshoots resulting in unusable shoots. To solve this challenge,
Vinten Radamec (a division of Vitec) has created a camera pedestal with an absolute
positioning system (APS). APS uses laser based measurement systems with
reflective targets to determine distances to fixed locations. Using fixed
reference points provides positional accuracy regardless of set movement and
can integrate with other robotic pedestals. This can dramatically reduce the
amount of time used for targeting operations (robotic camera setup) and avoid
unwanted changes in camera locations during reshoots.
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