Novel representations, techniques and error evaluation for 3D reconstruction

  • Authors:
  • Sidharth R. Varier;Amey Vaidya;K. S. Venkatesh

  • Affiliations:
  • Department of Electrical Engineering, Indian Institute of Technology Kanpur, Kanpur, U.P., India;Department of Electrical Engineering, Indian Institute of Technology Kanpur, Kanpur, U.P., India;Department of Electrical Engineering, Indian Institute of Technology Kanpur, Kanpur, U.P., India

  • Venue:
  • AMDO'10 Proceedings of the 6th international conference on Articulated motion and deformable objects
  • Year:
  • 2010

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Abstract

Silhouette and laser based techniques have been widely used for 3D reconstruction of objects. We propose a Multiple Axis Object Centered Cylindrical Coordinate System (MAOCCCS) for the representation of 3D models reconstructed by silhouette based technique. A single axis cylindrical coordinate system is insufficient for representing objects with multiple auxiliary components because it leads to unequal distribution of points over the object. We also propose a camera calibration method using meshgrid patterns for laser based technique. Using this method we are able to achieve sub-millimeter accuracy in the reconstructed 3D models. It is difficult to qualitatively ascertain the accuracy of any reconstruction method by measuring the various dimensions of the object and comparing them with that of the reconstructed model as this is a very tedious process. A novel technique for the error evaluation of a reconstruction method, which is closely related to the conventional concept of visual hull, has been introduced in this paper.