Patent 10257521 was granted and assigned to KT (energy) on April, 2019 by the United States Patent and Trademark Office.
A method for processing a vide signal according to the present invention comprises: determining a length of a current string, which is decoded on the basis of a sample string matching technique in a current block; determining a reference string on the basis of at least one between the length of the current string and a string vector for the current string; and predicting the current string using the reference string.