Disney Research: Coupled 3D Reconstruction Of Sparse Facial Hair and Skin

Although facial hair plays an important role in individual expression, facial-hair reconstruction is not addressed by current face-capture systems.

Our research addresses this limitation with an algorithm that treats hair and skin surface capture together in a coupled fashion so that a high-quality representation of hair fibers as well as the underlying skin surface can be reconstructed.

We propose a passive, camera-based system that is robust against arbitrary motion since all data is acquired within the time period of a single exposure.

Our reconstruction algorithm detects and traces hairs in the captured images and reconstructs them in 3D using a multi-view stereo approach.

Our coupled skin-reconstruction algorithm uses information about the detected hairs to deliver a skin surface that lies underneath all hairs irrespective of occlusions.

In dense regions like eyebrows, we employ a hair-synthesis method to create hair fibers that plausibly match the image data.

We demonstrate our scanning system on a number of individuals and show that it can successfully reconstruct a variety of facial-hair styles together with the underlying skin surface.

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