METHOD AND DEVICE FOR IMAGE CODING USING MOTION VECTOR DIFFERENCES

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METHOD AND DEVICE FOR IMAGE CODING USING MOTION VECTOR DIFFERENCES

This abstract first appeared for US patent application 20240259566 titled 'METHOD AND DEVICE FOR IMAGE CODING USING MOTION VECTOR DIFFERENCES

Original Abstract Submitted

according to embodiments of the present document, a prediction procedure may be performed for image/video coding, and the prediction procedure may include symmetric motion vector differences (smvds) and merge mode motion vector differences (mmvds) according to an inter prediction. the inter prediction may be performed on the basis of reference pictures of a current picture, and types (e.g., a long term reference picture, a short term reference picture, etc.) of the reference pictures may be considered for the inter prediction. therefore, performance and coding efficiency in the prediction procedure can be improved.