ENCODER, DECODER AND METHODS THEREOF FOR REFERENCE PICTURE MANAGEMENT

摘要

The embodiments of the present invention relate to reference picture management in connection with video encoding and decoding, and in particular to reference picture signalling. A method performed by an encoder for encoding a representation of a video stream of multiple pictures is provided. Each picture belongs to a layer. In the method, it is decided if any picture that belongs to a layer equal to or lower to a layer of a current picture is using the current picture as a reference picture in a decoding process, and information is sent to a decoder indicating if the current picture is not used as a reference picture by any picture belonging to the same or lower layer.