IMAGE ENCODING/DECODING METHOD AND APPARATUS FOR SAME

摘要

According to the present invention, an image encoding/decoding method comprises the steps of: performing an intra prediction on a current block so as to generate a prediction block; performing filtering on a filtering target pixel in the prediction block on the basis of the intra prediction mode of the current block so as to generate a final prediction block; and generating a reconstructed block on the basis of a reconstructed differential block corresponding to the current block and on the final prediction block. According to the present invention, image encoding/decoding efficiency can be improved.

主权项

1. A method for video decoding, the method comprising:
generating a prediction block by performing intra prediction on a current block for a DC mode, and generating a reconstructed block based on the prediction block and a reconstructed residual block corresponding to the current block, wherein prediction values of filtered prediction pixels of the prediction block is generated using a filter for the DC mode during the intra prediction, the filtered prediction pixels are located in a vertical pixel line at a leftmost side of the prediction block and located in a horizontal pixel line at an uppermost side of the prediction block, and a prediction value of a leftmost and uppermost filtered prediction pixel among the filtered prediction pixels is generated using a 3-tap filter based on a value which is derived by the DC mode.