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Tuesday, June 18, 2013
 NHK Develops Remote-controlled, Multi-view Camera System
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Message Text: Japan's public television broadcaster, NHK, has developed an array of video cameras that are synchronized to provide dynamic images of objects at different positions and in motion.

Multi-view imaging involves surrounding the objects (e.g. sports players) with a number of cameras, which can provide a virtual all-round view of them at any point of time. Existing systems have only been able to capture the objects from a limited number of vantage points, owing to the fixed direction of the cameras. NHK, however, has come up with a means of ensuring that all of the cameras are focusing on the same point, by having eight cameras (for pans, tilt s and zooms) move in tandem with one main camera. This enables the cameras to keep up with quickly moving players and provide multi-view imaging of the decisive moments in a sporting event.

The multi-view camera system can provide a virtual all-round view of an object at any point of time. For instance, the figure below shows the system in use at a volleyball match. The cameras are all directed at the back of the player making a spike. The images from each camera can be quickly displayed in a sequence, providing viewers with dynamic, all-around images of the player.

 
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