Researchers have developed a smartphone app that captures full-body motion without the need for special cameras or expensive equipment.
Engineers at Northwestern University in Illinois, U.S. have created a system called “MobilePoser” which transforms a user’s smartphone into a movie-quality full-body motion capture system.
Traditionally, motion capture has been a complex and expensive process, typically requiring actors to wear sensor-laden body suits and perform in studios equipped with specialized, high-tech cameras. Using a combination of sensor data, machine learning and physics, MobilePoser accurately tracks a person’s full-body pose and global translation in space in real-time.
Although the MobilePoser app doesn’t match the precision of costly motion capture technologies used by major Hollywood studios, its creators suggest that using multiple devices can further reduce tracking errors.“The accuracy is better when a person is wearing more than one device, such as a smartwatch on their wrist plus a smartphone in their pocket,” Ahuja says.
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