Home

About

Advanced Search

Browse by Discipline

Scientific Societies

E-print Alerts

Add E-prints

E-print Network
FAQHELPSITE MAPCONTACT US


  Advanced Search  

 
COMPLETE 3-D MODELS FROM VIDEO: A GLOBAL APPROACH Bruno B. Goncalves and Pedro M. Q. Aguiar
 

Summary: COMPLETE 3-D MODELS FROM VIDEO: A GLOBAL APPROACH
Bruno B. Gonc¸alves and Pedro M. Q. Aguiar
Institute for Systems and Robotics, Instituto Superior T´ecnico, Lisboa, Portugal
E-mail: bbgo@mega.ist.utl.pt, aguiar@isr.ist.utl.pt
ABSTRACT
We address the automatic recovery of complete 3-D object mod-
els from video streams. Usually, complete 3-D models are built
by fusing several depth maps, each computed from a small set of
consecutive video frames, using structure from motion techniques.
However, since from a small number of similar views, it is very
difficult to obtain accurate depth maps, their fusion becomes non-
trivial and human interaction is in general required to assemble the
complete 3-D model. Instead of using intermediate depth maps,
we propose a method to recover complete 3-D models directly
from the 2-D motions in the entire set of available video frames.
The difficulty that arises when processing long videos is that dif-
ferent regions of the object are seen at different time instants. Our
method decides wether a region that has become visible is a region
that was seen before, or a previously unseen region, by seeking
the simplest rigid object that describes well the observed 2-D mo-

  

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

 

Collections: Engineering