The distinct and unique papillae on the tongue: A 3D study with AI and TDA

Our paper Machine learning and topological data analysis identify unique features of human papillae in 3D scans was published today. We took 3D meshes of human tongue surface, isolated the papillae, and built features and classifiers.

A Fungiform papilla

The classifiers not only detect the type of papillae correctly, they also identify the participant from a single papilla!

Since we can classify the papillae, we can map put their arrangement on a surface. Fungiform in blue, Filiform in yellow.

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