Abstract: The present invention relates to a method, system and related devices for selecting a spatial portion of ultra high resolution video content, under control of a client device, for being transmitted from a server towards said client device where said method comprises first obtaining selection information from said client device to select a spatial portion of said ultra high resolution video content for transmitting towards said client device and selecting said spatial portion from said ultra high resolution video content based on said selection information in view of at least part of said ultra high resolution video content being transmitted from said server towards said client device in combination with/function of content data pertaining to said ultra high resolution video content.

Abstract: A process for generating a high-resolution video stream, the process comprising: receiving (310) a low-resolution video stream; receiving (320) at least one high-resolution video stream; selecting (331) first image patches from said at least one high-resolution video stream; generating (332) respective first low-resolution counterparts of said first high-resolution image patches; storing (333) said first high-resolution image patches indexed by said first low-resolution counterparts in a first data storage; and improving (350) said low-resolution video stream by substituting (351) portions of said low-resolution video stream that are similar to one or more of said first low-resolution counterparts with first high-resolution patches obtained from said first data storage in accordance with said indexing; wherein said low-resolution video stream and said at least one high-resolution video stream are substantially synchronized video streams.

Abstract: A method for adapting at least one video encoding parameter to be used for encoding of a video for being transmitted from a server to a client, comprises a step of determining whether the movement speed of a region of interest over successive ones of previously encoded and transmitted frames of said video exceeds a predetermined threshold value, and a step of adapting said at least one video encoding parameter if said predetermined threshold value is exceeded.

Abstract: A method for mixing a first video signal and a second video signal, the method comprising at a mixing device receiving the first video signal; receiving the second video signal; receiving a transformation information signal dividing the first video signal into a transparent region and a non-transparent region and representing a spatial relationship between the first video signal and the second video signal; transforming the second video signal in accordance with the transformation information signal; and combining the non-transparent region of the first video signal with a portion of the transformed second video signal, the portion of the transformed second video signal being rendered in the transparent region of the first video signal.

Abstract: Method for encoding a video stream having a transparency information channel in view of a predetermined target bit rate for said transparency information channel, comprising: tentatively applying a first encoding (130) to said transparency information channel, said first encoding (130) comprising lossless vector graphics encoding; if said first encoding results in an encoded bitrate within said predetermined target bitrate (140), selecting said first encoding (150) to produce an encoded version of said transparency information channel; otherwise, tentatively applying a second encoding (160) to said transparency information channel, said second encoding (160) comprising a mathematical representation encoding scheme; if said second encoding results in an encoded bitrate within said predetermined target bitrate (170), selecting said second encoding (180) to produce an encoded version of said transparency information channel; otherwise, selecting a third encoding (190) to produce an encoded version of said transp

Abstract: A method for encoding a video stream divided in macroblocks using an encoding scheme, the video stream comprising a transparency level channel, said method comprising: —classifying said macroblocks into inner macroblocks, for which a transparency value provided by said transparency information channel is substantially uniform, and transition macroblocks, for which a transparency value provided by said transparency level channel is not substantially uniform; —determining a statistic of said transparency value for each one of said inner macroblocks; and —configuring a respective parameter of said encoding scheme for each one of said inner macroblocks in function of its respective statistic.

Abstract: A method for encoding a selected spatial portion of an original video stream as a stand-alone video stream, said method comprising obtaining picture element information pertaining to said selected spatial portion; obtaining encoding hints derived from a complementary spatial portion of said original video stream that is peripheral to said selected spatial portion; and encoding said selected spatial portion with use of said encoding hints.

Abstract: A method for encoding a multiview video stream representing a plurality of viewpoints of a 3D scenery comprising objects, the method comprising for each of said viewpoints rendering and encoding a plurality of 2D video streams, respective ones of said plurality of 2D video streams including color information, depth information, and transparency information pertaining to objects in respective object layers serializing said plurality of 2D video streams into a combined 2D video stream; including said combined 2D video stream into said multiview video stream.

Abstract: A method for generating a composite view (300) from multiple content items through interaction between a terminal (100) and a server (20), comprising the steps of: —transferring from the terminal (100) to the server (200) a terminal description (111) containing a capability profile of the terminal (100); —transferring from the server (200) to the terminal (100) information (212) indicative for available content items and interaction modes; and —transferring from the terminal (100) to the server (200) information indicative for selected content items and selected interaction modes, and an iterative process of: —streaming from the server (200) to the terminal (100) selected content items (113, 114; 213, 214) optimized according to the terminal description and the selected interaction modes; —fusing one or more of the content items in the terminal (100); —rendering the composite view (300) from fused content items; —transferring feedback from the terminal (100) to the server (200); and —adapting the streamed con