Abstract: A process to isolate objects of interest in an image uses a model which takes into account the artifacts stemming from the JPEG compression. The pixels are sorted accordingly to layers which regroup pixels of similar value, and the background is modeled by a polygon from an additional picture. Segmentation based on the knowledge of the background and the layers is then performed. This method provides good results for segmentation, while being sufficiently fast to be implemented for real time application.

Abstract: A process to isolate objects of interest in an image uses a model which takes into account the artifacts stemming from the JPEG compression. The pixels are sorted accordingly to layers which regroup pixels of similar value, and the background is modeled by a polygon from an additional picture. Segmentation based on the knowledge of the background and the layers is then performed. This method provides good results for segmentation, while being sufficiently fast to be implemented for real time application.

Abstract: The invention relates to a method of measurement, comprising treatment of a signal consisting of a succession of temporally spaced main pulses, having a duration D and energy E, which can each consist of a stack of elementary pulses having a duration Di and whose energy is evaluated by a variable Ei having an additivity property, wherein said elementary pulses have instants of appearance Ti following a homogeneous Poisson process of an intensity ?, characterized in that said method comprises the following steps: digitization of the signal; measurement of the duration D and energy E for each main pulse in order to create duration-energy pairs (D,E); determination of the energy pairs (Di,Ei) of the elementary pulses from the constructed pairs (D, E); deduction of energy Ei of each elementary pulse from the determined pairs (Di,Ei). The invention also relates to a signal analysis device comprising means which can implement the method according to the invention.

Abstract: The invention relates to a method of measurement, comprising treatment of a signal consisting of a succession of temporally spaced main pulses, having a duration D and energy E, which can each consist of a stack of elementary pulses having a duration Di and whose energy is evaluated by a variable Ei having an additivity property, wherein said elementary pulses have instants of appearance Ti following a homogeneous Poisson process of an intensity ?, characterized in that said method comprises the following steps: digitization of the signal; measurement of the duration D and energy E for each main pulse in order to create duration-energy pairs (D,E); determination of the energy pairs (Di,Ei) of the elementary pulses from the constructed pairs (D, E); deduction of energy Ei of each elementary pulse from the determined pairs (Di,Ei). The invention also relates to a signal analysis device comprising means which can implement the method according to the invention.