Memory reduction for context initialization with temporal prediction
AssigneeQUALCOMM Incorporated
InventorsLi Zhang, Wei-Jung Chien, Jianle Chen, Marta Karczewicz
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Abstract
A method of decoding video data includes determining, by a video decoder implemented in processing circuitry, a context initialization using a plurality of quantization parameters for a portion of a picture of video data decoded using temporal prediction. The method includes storing, by the video decoder, the context initialization with a single probability state for the plurality of quantization parameters. The method includes entropy decoding, by the video decoder, a set of syntax elements in a bitstream using the single probability state.
Claims30
A method of decoding video data, the method comprising:
- determining, by a video decoder implemented in processing circuitry, a context initialization using a plurality of quantization parameters for a portion of a picture of video data decoded using temporal prediction;
- storing, by the video decoder, the context initialization with a single probability state for the plurality of quantization parameters;
- and
- entropy decoding, by the video decoder, a set of syntax elements in a bitstream using the single probability state.
A device for decoding video data, the device comprising:
- one or more storage media;
- and
- one or more processors configured to:
- determine a context initialization using a plurality of quantization parameters for a portion of a picture of video data decoded using temporal prediction;
- store, at the one or more storage media, the context initialization with a single probability state for the plurality of quantization parameters;
- and
- entropy decode a set of syntax elements in a bitstream using the single probability state.
A method of encoding video data, the method comprising:
- determining, by a video encoder implemented in processing circuitry, a context initialization using a plurality of quantization parameters for a portion of a picture of video data encoded using temporal prediction;
- storing, by the video encoder, the context initialization with a single probability state for the plurality of quantization parameters;
- and
- entropy encoding, by the video encoder, a set of syntax elements in a bitstream using the single probability state.
A device for encoding video data, the device comprising:
- one or more storage media configured to store video data;
- and
- one or more processors configured to:
- determine a context initialization using a plurality of quantization parameters for a portion of a picture of video data encoded using temporal prediction;
- store, at the one or more storage media, the context initialization with a single probability state for the plurality of quantization parameters;
- and
- entropy encode a set of syntax elements in a bitstream using the single probability state.
Dependencies are inferred from the claim text.