Patent application number | Description | Published |
20090064254 | METHOD AND DEVICE FOR TRANSMITTING DATA - This method of transmitting coded data, representing a digital video, from a server to a plurality of clients, at least one subset of the clients using congestion control algorithms, uses a plurality of signals for passing from a coded representation of the video at a given quality level to a coded representation at least one quality level different from the given level. The sending (E | 03-05-2009 |
20090097483 | METHOD AND DEVICE FOR TRANSMITTING DATA - The method of transmitting data packets associated with an importance level comprises a step ( | 04-16-2009 |
20090122865 | METHOD AND DEVICE FOR CODING A SCALABLE VIDEO STREAM, A DATA STREAM, AND AN ASSOCIATED DECODING METHOD AND DEVICE - A video sequence is coded in the form of a base level and an refinement level. A group of pictures of the base level comprises intra coded or mono-predicted end images (I,P) and bi-predicted images (B | 05-14-2009 |
20090135818 | METHOD AND DEVICE FOR FORMING, TRANSFERRING AND RECEIVING TRANSPORT PACKETS ENCAPSULATING DATA REPRESENTATIVE OF AN IMAGE SEQUENCE - The present invention relates to a method of forming transport packets for transmitting, from a server device to at least two client devices, data representative of a coded image sequence, the coded data being encapsulated in transport packets comprising a first portion composed of a plurality of fields and a second portion. The method comprises the steps of obtaining (E | 05-28-2009 |
20090138773 | METHOD AND DEVICE FOR PROCESSING A HIERARCHICAL MULTIMEDIA DATA STREAM TRANSMITTED OVER A NETWORK WITH LOSS - The invention relates to a method of processing a multimedia data stream coded according to a plurality of hierarchical levels and transmitted over a communication network with loss, the hierarchy levels being ordered so that a so-called higher hierarchy level is coded in a way that is dependent on at least one so-called lower hierarchy level, at least one portion of multimedia data of a lower hierarchy level having suffered losses, the method comprising a step ( | 05-28-2009 |
20090210765 | METHOD AND DEVICE FOR TRANSMITTING DATA, IN PARTICULAR VIDEO - The method of transmitting data packets from a server to at least one client comprises:
| 08-20-2009 |
20090232200 | METHOD OF TRANSMITTING A PRE-CODED VIDEO SIGNAL OVER A COMMUNICATION NETWORK - A transmission method for transmitting, over a communication network, a video signal pre-coded using hierarchical coding comprises the steps of periodically estimating (S | 09-17-2009 |
20090278956 | METHOD OF DETERMINING PRIORITY ATTRIBUTES ASSOCIATED WITH DATA CONTAINERS, FOR EXAMPLE IN A VIDEO STREAM, A CODING METHOD, A COMPUTER PROGRAM AND ASSOCIATED DEVICES - A method of determining priority attributes respectively associated with a plurality of containers defining at least one image at a plurality of spatial resolution levels comprises the following steps:
| 11-12-2009 |
20090290648 | METHOD AND A DEVICE FOR TRANSMITTING IMAGE DATA - The method of transmitting image data of a sequence of images comprises, for at least one image of said sequence of images: | 11-26-2009 |
20090296821 | METHOD AND DEVICE FOR VIDEO DATA TRANSMISSION - For transmitting a sequence of video images on a network between a server and a client, that sequence being coded according to a hybrid predictive coding mode and comprising a plurality of images, each image being broken down into a plurality of macroblocks of pixels: the plurality of macroblocks is classified (E | 12-03-2009 |
20090310674 | METHOD AND DEVICE FOR CODING A SEQUENCE OF IMAGES - The method of coding a sequence of images comprising at least one group of a plurality of original images, in several scalability layers, comprises, to code said group of original images, a step of coding at least one base layer on the basis of the group of original images to code to constitute an intermediate data stream. | 12-17-2009 |
20100132002 | VIDEO TRANSMISSION METHOD AND DEVICE - The method of transmitting a video stream over a network between a transmission device and at least one reception device comprises: —a step ( | 05-27-2010 |
20100142622 | VIDEO CODING METHOD AND DEVICE - The video coding method comprises:
| 06-10-2010 |
20100205514 | METHOD AND DEVICE FOR IDENTIFYING VIDEO DATA LOSSES - To identify data losses in a video sequence transmitted between a server and at least one client over a communication network, the sequence comprising a plurality of video data containers coded using scalable video coding employing a predetermined number of hierarchical levels, the video data containers being transmitted over the network via a series of data transport packets: a process ( | 08-12-2010 |
20100296000 | METHOD AND DEVICE FOR TRANSMITTING VIDEO DATA - The method for transmitting video data encoded in a scalable video stream representing said video data in a plurality of layers, comprises, for at least one layer:
| 11-25-2010 |
20100316139 | METHOD AND DEVICE FOR DEBLOCKING FILTERING OF SCALABLE BITSTREAM DURING DECODING - A method and device for deblocking filtering of a scalable bitstream during decoding is disclosed. According to the invention, the decoding of at least one part of a picture encoded in a base layer and at least one enhancement layer in a scalable bitstream, the bitstream comprising at least one access unit representing the picture, each access unit comprising a plurality of data elements, each data element belonging to a said layer, comprises the reception ( | 12-16-2010 |
20110013538 | Methods and Devices for Estimating a Level of Use of a Communication Network and for Adapting a Level of Subscription to Multicast Sessions - The invention in particular concerns a method and a device for estimating a level of use of a communication network linking a server and at least one client, said communication network being used to transmit a data stream at a transmission rate corresponding to the temporal frequency of said data stream, said data stream comprising at least one item of information characterizing a theoretical rate dependent on said transmission rate of said data stream. After having obtained ( | 01-20-2011 |
20110013701 | METHOD AND DEVICE FOR RECONSTRUCTING A SEQUENCE OF VIDEO DATA AFTER TRANSMISSION OVER A NETWORK - A method of reconstructing a sequence of video data in a receiving device after the video sequence has been transmitted in encoded form over a network, the encoded video sequence comprising containers of encoded video data, wherein the method includes the following steps:
| 01-20-2011 |
20110188573 | Method and Device for Processing a Video Sequence - The invention concerns a method and a device ( | 08-04-2011 |
20110206116 | METHOD OF PROCESSING A VIDEO SEQUENCE AND ASSOCIATED DEVICE - The present invention concerns a method and a device ( | 08-25-2011 |
20110228166 | METHOD AND DEVICE FOR DETERMINING THE VALUE OF A DELAY TO BE APPLIED BETWEEN SENDING A FIRST DATASET AND SENDING A SECOND DATASET - The invention relates to a method and to a device for determining the value of a delay to be applied between sending a first dataset and sending a second dataset, the data being representative of a sequence of coded images, the datasets consisting of data subsets, the coded images being coded according to a first level of resolution and at least a second level of resolution higher than the first level of resolution, the data subsets containing data of a first level of resolution. According to the invention:
| 09-22-2011 |
20110228850 | METHOD OF PROCESSING A VIDEO SEQUENCE AND ASSOCIATED DEVICE - The invention concerns a method of processing a video sequence and an associated device. | 09-22-2011 |
20130086621 | METHOD AND DEVICE FOR DETERMINING THE VALUE OF A DELAY TO BE APPLIED BETWEEN SENDING A FIRST DATASET AND SENDING A SECOND DATASET - The invention relates to a method and to a device for determining the value of a delay to be applied between sending a first dataset and sending a second dataset, the data being representative of a sequence of coded images, the datasets consisting of data subsets, the coded images being coded according to a first level of resolution and at least a second level of resolution higher than the first level of resolution, the data subsets containing data of a first level of resolution. According to the invention:
| 04-04-2013 |