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FAST 3D MODELING FROM VIDEO Pedro M. Q. Aguiar
 

Summary: FAST 3D MODELING FROM VIDEO
Pedro M. Q. Aguiar
Instituto de Sistemas e Rob´otica
IST, Lisboa, Portugal
aguiar@isr.ist.utl.pt
Jos´e M. F. Moura
Electrical and Computer Eng. Dep.
CMU, Pittsburgh PA, USA
moura@ece.cmu.edu
Abstract - In this paper we build 3D models of rigid bodies from video
sequences. The algorithm we use is simple and robust. It recovers the 3D
shape parameters and the 3D motion parameters by first estimating the
parameters of the induced optical flow representation. To estimate the
3D shape and 3D motion from the optical flow, we use a fast algorithm
that is based on the factorization of a matrix that is rank 1 in a noiseless
situation. We demonstrate our approach with a piecewise planar object
shape built from a real life video clip. We highlight some of the potential
applications of the 3D models obtained.
INTRODUCTION
This paper presents a fast reliable algorithm to recover three-dimensional

  

Source: Aguiar, Pedro M. Q. - Institute for Systems and Robotics (Lisbon)

 

Collections: Engineering