METHODS, DEVICES, AND COMPUTER PROGRAMS FOR COMBINING THE USE OF INTRA-LAYER PREDICTION AND INTER-LAYER PREDICTION WITH SCALABILITY AND SCREEN CONTENT FEATURES

摘要

The present invention relates to encoding an image of a video stream according to at least one coding mode selected among a plurality of coding modes used to encode images of the video stream, where blocks of the image to be encoded are predicted as a function of at least one reference image from a set of at least one reference image, the at least one reference image comprising at least a reconstructed spatial portion of the image to be encoded and at least a low resolution portion of the image to be encoded, the choice between a reconstructed spatial sub-portion or a low resolution sub-portion to be used for encoding a block of the image to be encoded being determined as a function of a control parameter.