Image-Based Models: Geome-try and Reflectance Acquisition Systems

This thesis describes two scanning devices for acquiring realistic computer models of real objects. The first device captures the reflectance properties of a human face by rapidly lighting the face from a large number of directions. With this data, it is possible to reproduce the appearance of the subject under any complex illumination environment. The second device acquires detailed geometric models of sculptures, suitable for polygonal rendering systems. This thesis discusses the design considerations and implementation of these two systems, including the calibration, data processing, and rendering algorithms.

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