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Distance estimation from image defocus for video surveillance systems

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4 Author(s)
Gil, P. ; Dept. de Teoria de la Senal y Comunicaciones, Alcala Univ., Madrid, Spain ; Lafuente, S. ; Maldonado, S. ; Acevedo, F.J.

When dealing with depth recovery, the estimation of depth from defocus information provides an alternative method to stereo vision. A new depth from defocus method is described that needs only an estimation of the background together with the image of the object of interest, instead of the two images which traditional depth from defocus algorithms require.

Published in:

Electronics Letters  (Volume:40 ,  Issue: 17 )