The invention relates to a method for resampling an audio frequency signal in an audio frequency signal encoding or decoding operation the resampling being carried out by a method of interpolation of an order greater than one. The method is such that the interpolated samples are obtained (E702) by calculating a weig...
The invention relates to a method for decoding a digital signal encoded using predictive coding and transform coding comprising the following steps: predictive decoding (304) of a preceding frame of the digital signal encoded by a set of predictive coding parameters; detecting (302) the loss of a current frame of ...
The invention relates to a method for encoding at least one image that has been cut up into partitions a current partition being encoded containing data of which at least 10 minus one data items is assigned a sign. Such a coding method is characterized in that for said current partition same implements the following...
The invention relates to a method for encoding at least one image that has been cut up into partitions said method implementing the steps of: predicting (C2) the data of a current partition on the basis of at least one already encoded and then decoded reference partition generating a predicted partition; determining...
The invention relates to a method of transmitting frames which is intended to be implemented by a multiuser MIMO system comprising a transmitter with several antennas and receivers associated respectively with the users. The method comprises a step (2) of constructing a probing frame a first part of which comprises ...
The invention relates to a method of controlling a packet stream generated by an application (APP) installed in a mobile terminal (UE) the stream being intended to be sent by the terminal over a communications network managed by an operator the method comprising the following steps implemented in the terminal for al...
The invention pertains to a method of decoding a digital audio signal comprising the steps of decoding (E602) according to an inverse transform decoding of a previous frame of samples of the digital signal which frame is received and coded according to a transform coding decoding (E608) according to a predictive dec...
The invention relates to encoding of at least one image (IC). Said encoding implements for a common block (B) to be coded for said image: predicting (C3) the common block according to a prediction procedure selected from among a plurality of predetermined prediction procedures ; obtaining a predictor block (BP) fr...
The present invention relates to a method for granting access, for a user equipment ( 11) registered in a home mobile
network (21) to a wireless local area network (22). In this method, a probe request is received by an access network server (13) located in the wireless local area network, wherein this probe reques...
The invention relates to a method for updating post processing states applied to a decoded audio signal. The method is such that for a current decoded signal frame sampled at a different sampling frequency from the preceding frame it comprises the following steps: obtaining (E101) a past decoded signal stored for th...
The invention relates to a method for transmitting data between a network node (GW) of a mobile communication network and a mobile terminal (UE), implemented by the network node after receiving at least one data packet (DL_P(di)) intended for the mobile terminal, said method comprising the sending (S03) of a warning...
asThe present invention relates to a method for transform coding or decoding of a digital audio signal using analysis (h) or synthesis (h) weighting windows applied to frames of samples. The method comprises irregular sampling (E10) of an initial window provided for a transform with a given initial size N in order t...
The invention relates to a method for determining an optimized scale factor to be applied to an excitation signal or to a filter during a process for frequency band extension of an audiofrequency signal the band extension process (E601) comprising a step of decoding or extracting in a first frequency band an excitat...
The invention relates to a method for determining distribution of bits for coding a transition frame. Said method is implemented in an encoder/decoder for encoding/decoding a digital signal. The transition frame is preceded by a preceding frame encoded via prediction. The encoding of the transition frame includes tr...
The invention relates to a method for resampling an audio frequency signal in an audio frequency signal encoding or decoding operation. The method is such that it comprises the following steps per signal block to be resampled: determining (E401) by adaptive linear prediction a number of future signal samples this n...
The invention relates to a method for extending the frequency band of an audio signal during a decoding or improvement process comprising a step of obtaining the decoded signal in a first frequency band referred to as a low band. The method is such that it comprises the steps of: extracting (E402) tonal components...
The invention relates to the processing of a digital audio signal including a series of samples distributed in consecutive frames. The processing is implemented in particular when decoding said signal in order to replace at least one signal frame lost during decoding. The method includes the following steps: a) sear...
The invention relates to a method for discriminating and attenuating pre echo in a digital audio signal and generated from transform coding. Said method comprises the following steps in which: for a current frame broken down into sub blocks the low energy sub blocks precede a sub block in which a transition or attac...
The invention relates to the coding of at least one current image parameter (Pu) characterized in that in relation to a zone (Bi) of a current image (ICj) it implements the following: - as a function of the value of at least one parameter of an image zone which precedes said zone of the current image selection (C3a)...
METHODS FOR MANAGING SHARING AND FOR SHARING MESSAGES, MESSAGING DEVICES OF DISTINCT
TYPES IMPLEMENTING SAME
The invention relates to the sharing of a message via a communication network by other
messaging means, for example the sharing of email by SMS or Tweets.
...
The invention relates to the encoding of at least one image (ICj) divided into blocks implementing the following: - encoding (C2) a first syntax element (ES) associated with a characteristic of said at least one image; - encoding (C8) for a current block to be encoded associated with at least one encoding parameter ...
The invention relates to a method and device for decoding an encoded data signal representing a multi-view video sequence representative of an omnidirectional video, the multi-view video sequence comprising at least a first view and a second view. Parameters allowing a homographic matrix to be obtained (61), represe...
The invention relates to a method for processing a monophonic signal in a 3D audio decoder, comprising a processing step for binauralizing decoded signals intended to be delivered spatially by a headset. The method is such that, on detection (E200), in a datastream representative of the monophonic signal, of an indi...
The invention relates to a method for determining a key for securing communication between a user apparatus (10) and an application server (40).
An authentication server (20) of a mobile communication network and the user apparatus generate a secret master key during an authentication procedure. The user apparatus ...
The invention relates to a process for coding an image of a view (IVk) from among a plurality of views, comprising the following steps: selecting (C1) a first or a second coding method to code image data from said image; generating (C10, C12a; C10, C12b; C10, C12c) a data signal containing information (flag_proc) in...
The invention concerns a method for decoding at least one data stream representing a multi-view video, comprising at least coded data representative of at least one sub-image, comprising texture data and depth data associated with the texture data, the sub-image comprising at least one zone, referred to as the usefu...
The invention relates to a method for coding and decoding and, correspondingly, a device for coding and decoding a coded data stream representing at least one image that is split into blocks. For at least one current block of the image, a group of pixel values that are constant in the block is determined (E441) from...
The invention relates to coding for compression of audio signals forming, over time, a succession of sample frames, in each of N channels of an ambisonic representation of order higher than 0, the method comprising: - forming, from the channels and for a current frame, a covariance matrix from the inter-channel cova...
The invention relates to a method for configuring a user device to which a plurality of identifiers, each uniquely identifying the user in at least one communications network, is allocated, said method comprising, for at least one application (Appj): - a step of obtaining (F30) at least one rule associating, with at...
The invention relates to a method for determining a set of corrections (Corr.) to be made to a multichannel sound signal, in which the set of corrections is determined on the basis of an item of information representative of a spatial image of an original multichannel signal (Inf.B) and an item of information repres...
The invention relates to a method for selecting a set of functions (TR1, TR2, TR3) of a communications infrastructure (10), referred to as a network slice, for routing data relating to an application (App1, App2, App3 App4) installed in a user terminal (51, 53) connected to said infrastructure (10), which method is ...
The invention concerns a method and a device for coding and a method and a device for decoding a signal comprising coded data representative of at least one image broken up into blocks, the signal including information representative of one block, termed the correction block. For at least one current block of the co...
The invention relates to the encoding of an image (ICj) divided into blocks, said image containing separate first and second zones (Z1, Z2). The encoding is characterised in that it implements the following, for at least one current block (Bu) of the image: determining (C4) to which of the first and second zones the...
The invention relates to the encoding of an image (ICj) divided into blocks, said image containing two separate zones (Z1,Z2). Said encoding method is characterised in that it implements the following: only in the event where the current block (Bu) pertains to one (Z1) of the zones of the image: encoding (C8a) the c...
The invention relates to a method and a device for decoding a data flow representing a multi-view video. Syntax elements are obtained (E20) from at least a portion of the flow data and used to reconstruct (E21) at least one image of a view of the video. Thereafter, at least one metadata item in a predetermined form ...
The invention relates to a coding method and a method for decoding a coded data stream representing at least one image that is split into blocks. For at least one block of the image, referred to as the current block, it is determined (E42) if the current block is coded according to an intra-image coding mode or anot...
The invention relates to a coding method and a method for decoding a coded data stream representing at least one image that is split into blocks. For at least one block of the image, referred to as the current block, information indicating a coding mode of the current block is decoded (E42) from the data stream. Whe...
The invention relates to a communication method implemented by a base station having at least one cell and forming part of a mobile access network comprising neighbouring cells of the cell. The method comprises broadcasting blocks referred to as SSB blocks at a first periodicity value for synchronising a terminal an...
The invention relates to a method for decoding a stream of encoded data representing at least one image that is split into blocks. For at least one block of the image, called the current block, it is determined whether the size of the current block is less than or equal to a predetermined threshold. If the size of t...
The invention relates to a method for decoding a stream of encoded data representing at least one image that is split into blocks. For at least one block of the image, referred to as the current block, information indicating an encoding mode of the current block is decoded (E42) from the data stream. When the encodi...
The invention relates to a method for decoding a stream of encoded data representing at least one image that is split into blocks. For at least one block of the image, referred to as the current block, information indicating an encoding mode, out of a first and a second encoding mode, of the current block is decoded...
The invention relates to a method for synthesizing an image (lsth) of a view from images of N (N>2) views (T1, D1; T2, D2;...; TN, DN), implemented by an image synthesis device comprising the following: - projecting (S1), to a position corresponding to the image of the view to be synthesized, N depth maps associated...
The invention relates to a method for accessing a communication network, implemented by a terminal, comprising: - receiving (211) system information broadcast by the network, the system information comprising an identification of at least one time-frequency resource capable of carrying information relating to a uniq...
A revocation list (LR) contains at least one pair (hi, k) extracted from a signature generated by a revoked entity, where hi is an element of a mathematical group (GI) and k = hixi, where xi is a secret of said revoked entity. A first entity (100) sends (E60), to a second entity (200), with a view to being authentic...
The invention relates to a method for coding and a method for decoding a coded data stream representing a multi-view video. The coded data stream comprises coded data representing at least one atlas, said at least one atlas corresponding to an image comprising at least one patch, said at least one patch correspondin...
The present invention relates to a method for granting access, for a user equipment (11) registered in a home mobile network (21) to a wireless local area network (22). In this method, a probe request is received by an access network server (13) located in the wireless local area network, wherein this probe requ...
The invention relates to a method for predicting at least one set of current pixels (Bc), implemented by a prediction device, in which at least one set of current pixels (Bc) is predicted on the basis of at least one set of reference pixels (BR0; BR0, BR1), with the assistance of a pixel prediction weighting functio...
The invention relates to a method for determining at least one coding (MCc) or decoding (MDc) mode, from at least two coding or decoding modes, in order to encode or decode at least one current set of pixels. Such a determination is characterised in that the at least one coding or decoding mode is determined (P2) fr...
The processing of a signal y(t) from a microphone (MIC) of a device further comprising at least one loudspeaker (HP) intended to be powered by a signal x(t) aims to limit an echo effect induced by the microphone (MIC) picking up a sound emitted by the loudspeaker (HP) in the surroundings of the device. Said sound em...
The invention relates to a method for encoding an input point on an n-dimensional sphere by encoding n-1 spherical coordinates of said input point, the method comprising sequential scalar quantisation of the n-1 spherical coordinates (E102-1 to E102-(n-1)) in order to obtain at most 2n-2 candidates at the end of the...
The invention relates to a method for configuring a user apparatus (UE1), intended to be implemented by this user apparatus and comprising a step of deactivating, for at least one encrypted communication of this user apparatus with a remote device (S1) via a network (CN), at least one encryption procedure selected b...
The invention relates to a method for encoding views simultaneously representing a 3D scene from different positions or different angles of view, the method being implemented by an encoding device and comprising, for a depth component of at least one view: partitioning (C2) the depth component into at least one bloc...
The invention relates to a method for encoding audio signals forming in time a succession of frames (t-1, t) of samples, in each of n channels of an ambisonic representation of order higher than 0, the method comprising: - determining, for the current frame to be encoded, the binary value indicating an active or ina...
The invention relates to a method for coding or decoding a spatial direction of a sound source, in which a spherical quantization dictionary is defined on a 3D sphere by coding elevation and azimuth, giving at least one coded elevation index (i) on a number of elevation levels (N?) and a number of points per level (...
The present invention concerns a device and a method for training a neural network based decoder. The method comprises during said training, quantizing, using a training quantizer, parameters representative of the coefficients of said neural network based decoder. The invention concerns also a method and device for ...
A data stream contains data packets each comprising at least first data and second data. A method for decoding this data stream comprises the following steps: - identifying, among said data packets, a first data packet (12) the first data of which include information (T1) indicating a predetermined type of data pack...
The invention relates to a method and device for coding and decoding a data stream
representative of at least one image that is split into blocks. For at least one block of the
image, a group of pixel values is determined (E441). For each pixel of the block, a
prediction residue is decoded (E442) and a prediction...
The invention concerns a method for decoding at least one data stream (STR)
representative of a multi-view video, comprising at least coded data representative of at
least one sub-image, comprising texture data (text0, text1) and depth data (dpth0, dpth1)
associated with said texture data, said sub-image (Im0, Im...
The invention relates to a method for locating an object. The locating method comprises the steps of: obtaining (E10, G10) at least one item of identification data (M) of at least one object (MD), the at least one item of identification data coming from the backscattering of at least one ambient signal (S_AMB); if t...
The invention relates to a method for constructing a depth image associated with a view from a multiview video, called current view, based on a data stream (FD) representative of said video, said stream comprising information representative of the motion vectors of a texture image associated with said current view w...
The invention relates to a method for registering a terminal (1a) with a communication network (Res), the method being implemented in a management entity (UDM) following the receiving (101) of a message requesting registration of the terminal (1a) with said network (Res), the management entity (UDM) comprising at le...
The invention relates to a method comprising the following steps implemented by a physical Wi-Fi access point (PAP1) to which a first virtual Wi-Fi access point identified by a first BSSID identifier (BSSID1) is assigned: • receiving (E1011) a message comprising the first BSSID identifier; • repeated transmission (E...
The invention relates to a method and a device for decoding a data stream representative of
a multi-view video. Syntax elements are obtained (E20) from at least one part of the stream
data, and used to reconstruct (E21) at least one image of a view of the video. Then, at least
one item of metadata in a predetermi...
The invention relates to a method for transmitting a data stream received from a software application running on a terminal apparatus, in a communication network to which said terminal apparatus is connected, said network being divided into a plurality of network slices, characterised in that said method is implemen...
The invention relates to a method for associating a Wi-Fi station (STA) with a Wi-Fi access point (AP) through a first Wi-Fi network (VAP1) advertised by the access point, the method being implemented by the station and comprising: • setting up an association (E201-E205) of the station with the access point through ...
The invention relates to a method for encoding audio and/or video data performed by an encoding device configured to perform at least one step of encoding audio and/or video data using an encoding artificial neural network, the encoding method comprising the following: - encoding (C2-C4) the data, - generating (C5) ...
The invention concerns a method for decoding a bitstream comprising, at a decoding device: obtaining (S33) a decoded neural network from at least one group of a plurality of compressed neural networks, the compressed neural networks of the at least one group being available to the decoding device; and, decoding (S34...
The invention relates to a method for communication between a station (STA) and at least one first access point (APi) belonging to a short-range radio network identified by a network identifier, the network comprising a plurality of access points. The method is implemented by the station and comprises: - receiving (...
The present invention concerns a method for encoding an input signal comprising - Obtaining at least a second latent representation of said input signal, by modifying a first Neural Network encoded latent representation of said input signal obtained from a neural network encoder which coefficients are frozen, by usi...
The invention relates to a processing method for reducing channels of a stereophonic signal to obtain a monophonic signal, comprising, for a current frame: - a first step of selection (305) of a channel-reducing processing operation between two methods using filtering of the stereophonic signal and re-phasing of the...
The invention relates to a method for encoding an audio signal comprising an analysis (E401) of the audio signal by an analysis neural network in order to obtain a latent representation of the audio signal and in which the encoding of the latent representation is carried out according to the following steps: applyin...
The invention relates to a processing method for reducing channels of a stereophonic signal to obtain a monophonic signal, comprising the following: - application (610, 611), to a current frame of said signal, of two (T1 or T2, T3) channel-reducing processing operations, one of the processing operations using filter...
The invention relates to a processing method for reducing channels of a stereophonic signal to obtain a monophonic signal, comprising selection (305), for one stereophonic signal frame, between: - a first channel-reducing processing mode (T1) comprising filtering with re-phasing on each of the channels of the stereo...