Decoding method and apparatus of a video signal

The invention, to the prediction mode of the current block adjacent to the current block when indicating the intra prediction mode based on the current block block type information, the prediction mode, the method comprising: determine the prediction mode of the current block, based on the a step of using pixel obtaining at least one correlation parameter information, comprising: obtaining the intra prediction value of the current block by using the correlation parameter information, and reconstructing the current block using the intra prediction value of the current block It provides a video signal decoding method comprising: a. Video, intra prediction, prediction mode,