Coding method, decoding method, coding apparatus, decoding apparatus, coder, decoder, code stream and storage medium

Abstract

A coding method, a decoding method, a coding apparatus, a decoding apparatus, a coder, a decoder, a code stream and a storage medium provided in the embodiments of the present application, the decoding method comprising: according to a template of a current block, determining a prediction cost of a candidate prediction mode of the current block; according to the prediction cost, determining a first prediction mode of the current block; according to the first prediction mode, determining a reference template of the template; according to the reference template and the template, determining a first model parameter; and, according to the first prediction mode and the first model parameter, performing intra prediction on the current block to obtain a prediction value of the current block.

Dependencies are inferred from the claim text.