Simulcast Layers For Multiview In Video Coding
AssigneeHuawei Technologies Co., Ltd.
InventorYe-Kui Wang
Life of this patent
Estimating the term…
Abstract
A video coding mechanism is disclosed. The mechanism includes encoding a bitstream comprising one or more layers of coded pictures. A video parameter set (VPS) is also encoded into the bitstream. The VPS includes an each layer is an output layer set (OLS) flag (each_layer_is_an_ols_flag) when all layers specified by the VPS are independently coded without inter-layer prediction. The each_layer_is_an_ols_flag specifies whether each OLS contains only one layer. The bitstream is stored for communication toward a decoder.
Claims20
A method implemented by a decoder, the method comprising:
- receiving, by the decoder, a bitstream comprising one or more layers of coded pictures and a video parameter set (VPS), the VPS including an each layer is an output layer set (OLS) flag (each_layer_is_an_ols_flag) when all layers specified by the VPS are independently coded without inter-layer prediction, the each_layer_is_an_ols_flag specifying whether each OLS contains only one layer;
- and
- decoding, by the decoder, a coded picture from an output layer of an OLS based on the each_layer_is_an_ols_flag in the VPS to produce a decoded picture.
A method implemented by an encoder, the method comprising:
- encoding, by the encoder, a bitstream comprising one or more layers of coded pictures;
- encoding into the bitstream, by the encoder, a video parameter set (VPS), the VPS including an each layer is an output layer set (OLS) flag (eachlayer_is_an_ols_flag) when all layers specified by the VPS are independently coded without inter-layer prediction, the each_layer_is_an_ols_flag specifying whether each OLS contains only one layer;
- and
- storing, by the encoder, the bitstream.
A video coding device comprising:
- a receiver configured to receive a bitstream comprising one or more layers of coded pictures and a video parameter set (VPS), the VPS including an each layer is an output layer set (OLS) flag (each_layer_is_an_ols_flag) when all layers specified by the VPS are independently coded without inter-layer prediction, the each_layer_is_anols_flag specifying whether each OLS contains only one layer;
- and
- a processor coupled to the receiver and configured to decode a coded picture from an output layer of an OLS based on the each_layer_is_an_ols_flag in the VPS to produce a decoded picture.
Dependencies are inferred from the claim text.