US Patent 11516462 Method and apparatus for processing video signal

According to the present invention, there is provided a method of decoding an image, the method including: determining whether a non-zero residual coefficient is included in a current block; and decoding residual coefficients included in the current block according to a scanning order of the current block, when it is determined that the non-zero residual coefficient is included in the current block. Herein, an absolute value of the residual coefficient of which a scanning index is greater than a residual coefficient adjustment index is equal to or less than a residual coefficient adjustment reference value.