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A Full-Spherical Device for Simultaneous Geometry and Reflectance Acquisition

Johannes Köhler; Tobias Nöll; Gerd Reis; Didier Stricker
In: 2013 IEEE Workshop on Applications of Computer Vision, WACV 2013. IEEE Workshop on Applications of Computer Vision (WACV-2013), January 15-17, Clearwater Beach, Florida, USA, Pages 355-362, ISBN 978-1-4673-5052-5 , IEEE, 1/2013.


We present OrcaM, a device for exploring new methods in the field of simultaneous acquisition of geometry, color and reflectance properties. OrcaM employs a full-spherical construction, a movable projector-camera unit, 633 individually controllable LEDs and a height-adjustable turntable with a glass carrier. In contrast to state of the art hardware layouts, this design allows data acquisition from all possible directions in a single pass without any user interaction. In this paper we report the challenges we encountered during development. We describe the used calibration algorithms that constitute the basis for all future reconstruction methods and present results computed with the methods we currently use.