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Decomposing multispectral face images into diffuse and specular shading and biophysical parameters

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arxiv 1902.06557 v1 pith:63TPCUAB submitted 2019-02-18 cs.CV

Decomposing multispectral face images into diffuse and specular shading and biophysical parameters

classification cs.CV
keywords biophysicaldiffusefaceimagesmodelmultispectralreflectanceshading
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We propose a novel biophysical and dichromatic reflectance model that efficiently characterises spectral skin reflectance. We show how to fit the model to multispectral face images enabling high quality estimation of diffuse and specular shading as well as biophysical parameter maps (melanin and haemoglobin). Our method works from a single image without requiring complex controlled lighting setups yet provides quantitatively accurate reconstructions and qualitatively convincing decomposition and editing.

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