Methods and devices for filtered intra block copy

A method for video encoding, comprising:

• determining an initial prediction block of a current block to be predicted based on a first block vector, wherein the first block vector is a fractional block vector between the current block and a reference block;
• determining a reference template based on a current template associated with the current block and a second block vector;
• obtaining a set of filter coefficients corresponding to a filter shape based at least on sample values from both the current template and the reference template;
• deriving, by applying the set of filter coefficients and the filter shape to the initial prediction block, a final prediction block of the current block comprising predicted sample values of the current block;
• and
• generating a bitstream based on the final prediction block.

An electronic apparatus, comprising:

• one or more processors;
• and
• one or more memories storing computer-executable instructions that, when executed by the one or more processors, cause the electronic apparatus to perform decoding operations including the one or more processors configured to:
• determine an initial prediction block of a current block to be predicted based on a first block vector, wherein the first block vector is a fractional block vector between the current block and a reference block;
• determine a reference template based on a current template associated with the current block and a second block vector;
• obtain a set of filter coefficients corresponding to a filter shape based at least on sample values from both the current template and the reference template;
• and
• derive, by applying the set of filter coefficients and the filter shape to the initial prediction block, a final prediction block of the current block comprising predicted sample values of the current block.