| 摘要 |
Context-based adaptive arithmetic coding and decoding methods and apparatuses with improved coding efficiency using the same are provided. The context-based adaptive arithmetic coding method includes resetting a context model for the given slice to a context model for a slice coded temporally before the given slice, arithmetically encoding a data symbol of the given slice using the reset context model, and updating the context model using a value of the data symbol. The context-based adaptive arithmetic decoding method includes resetting a context model for the given slice to a context model coded temporally before the given slice, arithmetically decoding a bitstream corresponding to the given slice using the reset context model to generate a data symbol of the given slice, and updating the context model using a value of the data symbol. |
