Abstract: A method implemented in an electronic device. The method includes: obtaining two temporally spaced apart images capturing the same scene of a video stream; obtaining a motion map representing differences between the components of the images in at least one video channel; and obtaining at least one geometric shape encompassing a set of moving portions of the motion map. Also provided are the corresponding electronic device, the computer program product and the medium.

Abstract: A method for monitoring objects, the objects including, respectively, tags that backscatter ambient signals. The method is implemented by a receiver device and includes: receiving a first backscattered signal originating from a first object, the first backscattered signal corresponding to an ambient signal and including a message having an identification datum relating to the first object; and determining the desired presence or the undesired presence of the first object in a geographical area as a function of the identification datum relating to the first object. Use for systems for monitoring objects, for example to detect proximity between objects that should not be close to one another.

Abstract: Method for managing energy, and corresponding electronic device and computer program. The invention relates to a method for managing energy implemented by an electronic device, comprising:—obtaining (11) at least one value of ambient energy of a first type, representative of an exposure of a first piece of equipment to said ambient energy;—providing (12) at least one recommendation relating to at least one candidate conversion element suitable for converting an ambient energy of said first type into energy of a second type useable to power said first piece of equipment, said at least one recommendation taking into account said at least one obtained value of ambient energy of said first type.

Abstract: A method for activating a function of a first content-rendering device is described. The method includes obtaining at least one image of at least part of the eyes of a person detected in a presence region associated with the first rendering device. The method also includes determining, by analysing the at least one obtained image, that the person is looking at a point of a first region of interest located close to and outside a region in which the first rendering device is located, and activating at least one function of the first rendering device.

Abstract: Various embodiments relate to a method for positioning objects implemented in an object or in a server. The disclosure relates to a method for positioning objects, implemented in a first object in communication with at least one second object, comprising determining a position of said first object. The method can comprise determining the location of said first object relative to the magnetic north, and determining the height of said first object relative to at least one reference point. The method can comprise obtaining the relative position of said at least one second object relative to said first object.

Abstract: A method for managing the energy of an electronic device. The method includes obtaining at least one action to be carried out by the device, and scheduling execution of the at least one action taking into account a current energy level of the device.

Abstract: An alerting method implemented by an electronic supervision device connected to an energy production device. In the method, a determination, by a deviation cause classification model taking as input a history of deviations between a value representative of a prediction of an amount of energy produced by the energy production device and a value representative of an amount of energy actually produced by the energy production device, of an occurrence of a failure in at least one component of the energy production device. An alert is generated according to which at least one component of the energy production device is defective.

Abstract: A method is described of estimating at least one dimension of an object represented by a point cloud relating to a scene comprising the object. The estimation takes into account a distance, of at least one of the points of the point cloud, from a center of the point cloud in at least one direction.

Abstract: A method of detecting a region of interest in an image is described. The method includes obtaining at least one distribution of the pixels, according to the depth thereof, in a first area of an image. The method also includes detecting at least one region of interest in the first area of the image taking into account, for at least a first peak in the distribution of pixels, a relative height of the first peak in relation to the highest minimum in said distribution of pixels among at least one local minimum lying between said first peak and another peak in the distribution higher than the first peak.

Abstract: A method for activating a function of a first content-rendering device is described. The method includes obtaining at least one image of at least part of the eyes of a person detected in a presence region associated with the first rendering device. The method also includes determining, by analysing the at least one obtained image, that the person is looking at a point of a first region of interest located close to and outside a region in which the first rendering device is located, and activating at least one function of the first rendering device.

Abstract: A method for detecting presence of a person using a communicating device connected to a wireless communication network, within a determined environment in which a radio-frequency tag configured to backscatter ambient signals is located at a known geographical position. The method includes: transmitting over the wireless network, by the communicating device, an ambient signal within the environment; backscattering, by a the tag, the ambient signal to form a backscattered signal, the backscattered signal including identification data of the tag; receiving the backscattered signal by a network apparatus connected to the wireless network and obtaining, from the backscattered signal, the identification data of the tag and a network identifier of the communicating device; and recording, in a database, an item of presence information of the communicating device within the environment, which includes the identification data, the network identifier and a date of receipt of the backscattered signal.

Abstract: A method and apparatus for managing storage of objects such as packages or the like. In particular, in a storage device includes at least one locker having a device for locking/unlocking the locker and a plurality of sensors designed to deliver data specific to the objects deposited in the locker. The method includes: receiving a request to store an object in a locker of the storage device; identifying an object type which matches the object to be stored; according to the object type identified, selecting, from the plurality of locker sensors, a set of sensors to be activated at least while the locker is in use; upon detecting that the locker is in use, activating the selected sensors in order to monitor the storage.

Abstract: A method for monitoring the energy of an equipment. The method includes: obtaining a first energy prediction model and an energy measurement frequency; predicting energy, via the prediction model, using, as input for the model, the result of a first energy measurement and contextual data of the equipment during and/or since the first measurement, the prediction being carried out before and/or during a second measurement subsequent to the first measurement and carried out with the obtained measurement frequency with respect to the first measurement; and varying the measurement frequency for a third subsequent energy measurement, as a function of a difference between the predicted energy and the second measurement. A method for building the first energy prediction model, corresponding electronic devices, system, computer program products and recording medium.

Abstract: A method for monitoring objects, the objects including, respectively, tags that backscatter ambient signals. The method is implemented by a receiver device and includes: receiving a first backscattered signal originating from a first object, the first backscattered signal corresponding to an ambient signal and including a message having an identification datum relating to the first object; and determining the desired presence or the undesired presence of the first object in a geographical area as a function of the identification datum relating to the first object. Use for systems for monitoring objects, for example to detect proximity between objects that should not be close to one another.

Abstract: A method for monitoring at least one object associated with a receiver device. The method is implemented by the receiver device and includes: verifying detection of a tag, which backscatters ambient signals, that is associated with the at least one object; and identifying the at least one object as being attached to the receiver device if the tag, which backscatters ambient signals, is detected, and as being away from the receiver device if the tag is not detected. Use in checking that a set of objects associated with a device remains close to the device, and in detecting a potential distancing from an object (theft or forgetting).

Abstract: A method implemented in an electronic device. The method includes: obtaining two temporally spaced apart images capturing the same scene of a video stream; obtaining a motion map representing differences between the components of the images in at least one video channel; and obtaining at least one geometric shape encompassing a set of moving portions of the motion map. Also provided are the corresponding electronic device, the computer program product and the medium.

Abstract: Various embodiments relate to a method for positioning objects implemented in an object or in a server. The disclosure relates to a method for positioning objects, implemented in a first object in communication with at least one second object, comprising determining a position of said first object. The method can comprise determining the location of said first object relative to the magnetic north, and determining the height of said first object relative to at least one reference point. The method can comprise obtaining the relative position of said at least one second object relative to said first object.

Abstract: A method for predicting an operating duration of a connected object. The method includes: obtaining an amount of instantaneous energy consumed by the connected object; obtaining at least one amount of instantaneous energy dependent on an ambient energy, and able to be used to supply the connected object; obtaining a remaining service life of the connected object on the basis of the amounts; obtaining the predicted operating duration of the connected object on the basis of the remaining service life; and performing at least one action taking into account the predicted operating duration.

Abstract: A method and apparatus for managing storage of objects such as packages or the like. In particular, in a storage device includes at least one locker having a device for locking/unlocking the locker and a plurality of sensors designed to deliver data specific to the objects deposited in the locker. The method includes: receiving a request to store an object in a locker of the storage device; identifying an object type which matches the object to be stored; according to the object type identified, selecting, from the plurality of locker sensors, a set of sensors to be activated at least while the locker is in use; upon detecting that the locker is in use, activating the selected sensors in order to monitor the storage.