Скачать или смотреть Near-Infrared, Depth, Material: Towards a Trimodal Time-of-Flight Camera

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Title: Near-Infrared, Depth, Material: Towards a Trimodal Time-of-Flight Camera

Author: Miguel Heredia Conde{2}, Thomas Kerstein{1}, Bernd Buxbaum{1}, Otmar Loffeld{2}

Affiliation: {1}PMD Technologies AG, Germany; {2}University of Siegen, Germany

Abstract: Time-of-Flight cameras are active sensors able to capture both the light intensity reflected by each observed point in the scene and the distance between these points and the camera. Enhancing intensity images with a depth modality enables capturing surfaces in 3D and boosts the applicability of these sensors. Nevertheless, high-level information still needs to be extracted from the data stream in order to accomplish high-level tasks, like recognition or classification. Ideally, the semantic gap between sensor output and high-level requirements should be as small as possible, in order to reduce both computational cost and failure probability. An additional depth modality helps in this regard, but there are further cues that can be seen by a ToF sensor that have remained underexploited so far. In this paper we take the first steps towards a trimodal ToF camera, which adds a valuable material modality to the classical intensity and depth modalities.

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