Ecole Polytechnique Federale De Lausanne

Mohammad Golbabaee

Pierre Vandergheynst

Alexandre Alahi

A method for automatic localization of objects in a mask. The method includes building a dictionary of atoms, wherein each atom models the presence of one object at one location and iteratively determining the atom of said dictionary which is best correlated with said mask, until ending criteria are met. The invention system concerns also automatically detects objects in a mask. At least one fixed camera is provided for acquiring video frames. A computation device is used for calibrating at least one fixed camera for extracting foreground silhouettes in each acquired video frames for discretizing said ground plane into a non-regular grid of potential location points for constructing a dictionary of atoms, and, for finding objects location points with the previous method. And a propagating device is provided to propagate the result in at least one fixed camera view.

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Renens, Switzerland

Mohammad Golbabaee