REDUCED RESOLUTION UPDATE MODE FOR ADVANCED VIDEO CODING

摘要

THERE IS PROVIDED A VIDEO ENCODER, VIDEO DECODER AND CORRESPONDING ENCODING AND DECODING METHODS FOR RESPECTIVELY ENCODING AND DECODING VIDEO SIGNAL DATA FOR AN IMAGE SLICE. THE VIDEO ENCODER INCLUDES A SLICE PREDICTION RESIDUAL DOWNSAMPLER (645) FOR DOWNSAMPLING A PREDICTION RESIDUAL OF AT LEAST A PORTION OF THE IMAGE SLICE PRIOR TO TRANSFORMATION AND QUANTIZATION OF THE PREDICTION RESIDUAL. THE VIDEO DECODER INCLUDES A PREDICTION RESIDUAL UPSAMPLER (715) FOR UPSAMPLING A PREDICTION RESIDUAL OF THE IMAGE SLICE.