Method and device for adapting the sensitivity for detecting...

G - Physics – 06 – T

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G06T 7/20 (2006.01) G06T 7/00 (2006.01)

Patent

CA 2439180

The invention relates to a method and device for adapting a signal used to detect the movement of an object in a space. Said space is represented by a set of data A¿ij?, which are associated with pixels that together form a multidimensional space i, j that changes over time, and represented at a sequence of moments T. Said data which are associated with parameter A are in the form of a digital DATA(A) signal comprising a series A¿ijt? of binary numbers of n bits which are associated with synchronisation signals that can be used to define moment T of the space and position i, j in said space with which the A¿ijt? signals received at a given instant are associated. According to the invention, the parameter A detection sensitivity gain and threshold are adapted and the sensitivity for detecting the variation of said parameter is adapted.

La présente invention concerne un procédé et un dispositif d'adaptation d'un signal utilisé pour la détection d'un mouvement d'un objet dans un espace représenté par un ensemble de données Aij, associées à des pixels formant ensemble un espace i, j multidimensionnel, évoluant dans le temps, et représenté à une succession de moments T, lesdites données associées au paramètre A étant sous la forme d'un signal DATA(A) numérique composé d'une suite Aijt de nombres binaires de n bits associés à des signaux de synchronisation permettant de définir le moment T de l'espace et la position i, j dans cet espace, auquel les signaux Aijt reçus à un instant donné sont associés, dans lequel on effectue une adaptation du seuil et du gain de sensibilité de détection du paramètre A. On procède à une adaptation de la sensibilité de détection de la variation dudit paramètre.

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