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A Handful of Photos Yields a Mouthful of (digital) Teeth

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An unusual construction of digital "teeth."

Disney researchers have developed a new method for realistically reconstructing teeth, for digital actors and for medical applications.

Credit: Disney Research

Disney researchers have developed a model-based method of realistically reconstructing teeth for digital actors and for medical applications.

The new method relies on a few noninvasive photos or a short video of the mouth, and it can digitally reconstruct teeth even when some are obscured.

"By combining creativity and innovation, this research continues Disney's rich legacy of leveraging technology to enhance the tools and systems used to create more realistic and believable digital actors for films or video games," says Disney Research vice president Markus Gross.

The researchers developed their method by constructing a model of human teeth rows using high-resolution three-dimensional scans of 86 different teeth rows from the field of human dentistry. The team then used the data to develop a model of an average row of teeth, including natural variations in shape and spacing for each tooth.

"Our algorithm only requires minimal user interaction and can operate on a set of individual, non-calibrated images, making teeth capture as easy and convenient as taking a few pictures or even a short video clip from a standard mobile phone," says Disney researcher Thabo Beeler.

The researchers presented their method this week at the ACM SIGGRAPH Asia 2016 conference in Macao.

From EurekAlert
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