Human body 3D imaging by speckle texture projection photogrammetry

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Abstract
Describes a non-contact optical sensing technology called C3D that is based on speckle texture projection photogrammetry. C3D has been applied to capturing all-round 3D models of the human body of high dimensional accuracy and photorealistic appearance. The essential strengths and limitation of the C3D approach are presented and the basic principles of this stereo-imaging approach are outlined, from image capture and basic 3D model construction to multi-view capture and all-round 3D model integration. A number of law enforcement, medical and commercial applications are described briefly including prisoner 3D face models, maxillofacial and orofacial cleft assessment, breast imaging and foot scanning. Ongoing research in real-time capture and processing, and model construction from naturally illuminated image sources is also outlined.

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