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Reconstructing and tracking deformable surface with little or no texture hasposed long-standing challenges. Fundamentally, the challenges stem fromtextureless surfaces lacking features for establishing cross-imagecorrespondences. In this work, we present a novel type of markers toproactively enrich the object's surface features, and thereby ease the 3Dsurface reconstruction and correspondence tracking. Our markers are made offluorescent dyes, visible only under the ultraviolet (UV) light and invisibleunder regular lighting condition. Leveraging the markers, we design amulti-camera system that captures surface deformation under the UV light andthe visible light in a time multiplexing fashion. Under the UV light, markerson the object emerge to enrich its surface texture, allowing high-quality 3Dshape reconstruction and tracking. Under the visible light, markers becomeinvisible, allowing us to capture the object's original untouched appearance.We perform experiments on various challenging scenes, including hand gestures,facial expressions, waving cloth, and hand-object interaction. In all thesecases, we demonstrate that our system is able to produce robust, high-quality3D reconstruction and tracking.

Textureless Deformable Surface Reconstruction with Invisible Markers