Disney researchers say they have developed a technique that can capture the important, yet subtle details of human eyes with a single facial scan or photo.
The researchers note the method requires much less time and hardware than existing eye-capture techniques because it employs a parametric model of the eye, which can reproduce the variations in the size and shape of the eyeball, the spots, craters, and banding of the colored iris, in addition to the red veins of the white sclera.
The model can be used to automatically duplicate the details of an actor's eyes as captured in a scan or photo, and then can be manipulated as needed to accommodate a storyline.
"This new method of eye capture enables us to create highly realistic animations for films, games, and medical applications and to do so with as little fuss as possible," says Disney Research's Markus Gross.
The parametric model is based in large part on a database of 30 eyes, which were captured in high resolution using that exhaustive process. The database provides details about the white sclera and the colored iris, while a separate model represents variations in the size and shape of the eyeball itself.
The researchers will present the new method this week at the ACM SIGGRAPH 2016 conference in Anaheim, CA.
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