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US 2006/0233256 A1Published application
Method for encoding and/or decoding groups of images
AssigneeThomson Licensing
InventorsEdouard Francois, Dominique Thoreau, Quillaume Boisson
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Abstract
The present invention relates to a method of coding and/or decoding groups of pictures. According to the invention, during the temporal decomposition of a stream of pictures within the framework of 3D wavelet processing, the number of pictures, the choice of the reference picture and the direction of temporal decomposition for each picture sequence of GOP type are adapted in order to minimize the number of unconnected pixels.
Claims13
Method of coding and/or decoding picture sequences, on the basis of a 3D wavelet processing, including a coding phase which comprises:
- a step for determining at least one information item for configuring the 3D wavelet coding as the selection of a reference picture for a sequence of successive pictures, on the basis of a predetermined optimizing criterion;
- then
- a step for generating a configuration information unit comprising the datum of the reference picture for the said sequence of pictures;
- and finally
- a step for executing the 3D wavelet coding on the basis of the said configuration information,
- in such a way as to produce a stream of coded data comprising the union for each sequence of pictures of a configuration information unit and/or of the 3D wavelet coding data for the pictures of the picture sequence.
3 more elements
Dependencies are inferred from the claim text.