| 摘要 |
The invention relates to a method of transmitting an image portion, which method comprises, in a coding phase analyzing a coding context, adapting a parameter of a group of prediction functions that can be used for coding, forming a first predicted descriptor using a selected prediction function, and determining and transmitting a residue between the first predicted descriptor and the current descriptor. The method further includes a decoding phase comprising analyzing a decoding context, adapting a parameter of a group of prediction functions that can be used for decoding, forming a second predicted descriptor using a selected prediction function and combining the second predicted descriptor and the received residue to deliver a decoded version of the current descriptor.
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