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Title : USING THE ORTHOGONAL PROJECTION FOR PARAMETER INITIALIZATION IN THE 3D RECONSTRUCTION OF DISTANT OBJECTS
Company : Utah State University
File Name : Blonquist.pdf
Size : 392339
Type : application/pdf
Date : 23-May-2010
Downloads : 3

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Featured Paper by

Keith Blonquist and Robert T. Pack

We present a method for the 3D reconstruction of objects from images captured in a surveillance setting using uncalibrated hand-held cameras. The images considered are of distant objects occupying a small portion of the field-ofview (FOV); have been captured in a non-systematic manner from varying aspects, distances, and angles; and have no a priori target information for 3D coordinates or scale. The current algorithms used to estimate camera orientations and perform 3D reconstruction rely to some degree on initial approximations of camera orientation and/or 3D coordinates of the target object or control points. Parameter initialization in most surveillance applications is problematic due to the non-regular camera arrangements and lack of target information. Using some of the strengths of the orthogonal model, this paper presents a robust initial approximation method suited to the demands of surveillance imagery.
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