Optical-ultrasound data processing for hybrid 3D vision on air

  • Authors:
  • Jose R. Llata;Carlos Torre-Ferrero;Esther G. Sarabia;Sandra Robla

  • Affiliations:
  • Electronic Technology and Control Systems Department, University of Cantabria, Cantabria, Spain;Electronic Technology and Control Systems Department, University of Cantabria, Cantabria, Spain;Electronic Technology and Control Systems Department, University of Cantabria, Cantabria, Spain;Electronic Technology and Control Systems Department, University of Cantabria, Cantabria, Spain

  • Venue:
  • ASMCSS'09 Proceedings of the 3rd International Conference on Applied Mathematics, Simulation, Modelling, Circuits, Systems and Signals
  • Year:
  • 2009

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Abstract

This work explores an approach for obtaining three-dimensional scene representation by using optical and ultrasonic information. It combines a set of three-dimensional data obtained by air-transmission ultrasonic sensors, using the echo-pulse method, with a set of three-dimensional data captured by stereo vision or active triangulation techniques. Both data sets are 3D point clouds which are fused in order to get a hybrid depth map with three-dimensional information about the scene of interest. Because hybrid images contain not only visual information but also ultrasonic information they can be useful for scenarios with poor illumination, with special optical properties or even with transparent elements.