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We explore the role of active body movement in the developmental process of the visual system. Receptive fields of an evolved mobile robot are developed during active or passive movement with the generalized Hebbian algorithm (Sanger, 1989). In accordance ...
In video surveillance and sports analysis applications, object trajectories offer the possibility of extracting rich information on the underlying behavior of the moving targets. To this end we introduce an extension of Point Distribution Models (PDM) to a ...
The walking process is interpreted as a sequence of decisions about where to put the next step. A dynamic and individual-based spatial discretization is used to represent the physical space. A behavioral framework for pedestrian dynamics based on discrete ...
Homogenous granular media composed of spherocylindrical rods rearrange and order vertically upon vibration. Performing pseudo-bidimensional experiments and simulations, we isolated void-filling mechanism as a cause for this phenomenon, independently of wal ...
The water-soluble endohedral gadofullerene derivatives, Gd@C60(OH)x and Gd@C60[C(COOH)2]10, have been characterized with regard to their MRI contrast agent properties. Water-proton relaxivities have been measured in aqueous solution at variable temperature ...
Iterative Adaptation is a novel approach to adaptation for resource-limited mobile and wireless environments that supports powerful application-specific adaptations without requiring modifications to the application's source code. Common productivity appli ...
Both ethnographers and engineers deal with contextual and situational complexity in human behavior. For engineers, this complexity creates challenges in designing systems to support humans that are useful and predictable across a wide range of contexts bec ...
We present an overview of results developed mainly at Verimag, by the author and his colleagues, on a framework for component-based construction, characterized by the following: the behavior of atomic components is represented by transition systems; compon ...
Parkinson disease (PD) is a common neurodegenerative disorder characterized by the progressive loss of dopaminergic neurons in the substantia nigra pars compacta. The resulting failure of the nigrostriatal pathway leads to profound dopamine deficiency, cau ...