Title :
Adaptive detection of moving objects using multiscale techniques
Author :
Paragios, N. ; Pérez, P. ; Tziritas, G. ; Labit, C. ; Bouthemy, P.
Author_Institution :
ICS-FORTH, Heraklion, Greece
Abstract :
In this paper we address an important issue in motion analysis: the detection of moving objects. A statistical approach is adopted in order to formulate the problem. The inter-frame difference is modeled by a mixture of Laplacian distributions, and a Gibbs random field is used for describing the label set. A new method to determine the regularization parameter is proposed, based on a voting technique. Then two different multiscale algorithms are evaluated, and the labeling problem is solved using either ICM (iterated conditional modes) or HCF (highest confidence first) algorithms. Experimental results are provided using synthetic and real video sequences
Keywords :
adaptive signal processing; image recognition; image sequences; iterative methods; motion estimation; object detection; random processes; statistical analysis; video signal processing; Gibbs random field; HCF; ICM; Laplacian distributions; adaptive detection; highest confidence first algorithm; inter-frame difference; iterated conditional modes algorithm; label set; motion analysis; moving objects; multiscale techniques; regularization parameter; statistical approach; video sequences; voting technique; Cameras; Cost function; Image sequences; Laplace equations; Minimization methods; Motion detection; Motion estimation; Object detection; Robustness; Voting;
Conference_Titel :
Image Processing, 1996. Proceedings., International Conference on
Conference_Location :
Lausanne
Print_ISBN :
0-7803-3259-8
DOI :
10.1109/ICIP.1996.559549