Method and Apparatus of Matrix Weighted Intra Prediction in Video Coding System

Abstract

A method and apparatus for matrix weighted intra prediction. According to this method, input data associated with a current block are received, wherein the input data comprise pixel data to be encoded at an encoder side or coded data associated with the current block to be decoded at a decoder side, and wherein a target prediction mode is determined from a candidate mode group for the current block and the candidate mode group comprises a Matrix-based Intra Prediction (MIP) mode. A traditional intra prediction mode is determined from a traditional intra mode group, wherein the traditional intra mode group comprises multiple angular intra prediction modes, wherein the traditional intra prediction mode is used to process the current block, a subsequent block, and/or a collocated block of the current block. The current block is encoded or decoded using the target prediction mode.

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