• lundi 29 mars 2004 : salle 101 à l'ESIL
  These talks are non-technical and are intended for a general audience.
  Equations have been kept to a minimum.
  
  
  • 16h30 : Applications of 3D Differential Optical Flow - Prof. John Barron
    Dept. of Computer Science
    Univ. of Western Ontario
    London, Ontario, Canada
    barron@csd.uwo.ca
    
    Résumé :
    3D optical flow is an approximation to the local volumetric motion is a sequence of volume images. Closely related to it is 3D range flow, which is an approximation to the local surface motion in a sequence of depth images. We introduce 3D opical flow, show how the 3D Motion Constraint Equation results in the 3D aperture problem and describe how 3D extensions of the 2 algorithms described above overcome this problem. Finally, we describe 3 applications of 3D optical flow: the use of 3D range flow to measure the motion and growth of plant leaves, the use of 3D optical flow to measure/predict Doppler Radar storm motion and the use of 3D optical flow to measure the motion of a beating heart in gated MRI datasets.