VIDEO ENCODING METHOD WITH INTRA PREDICTION USING CHECKING PROCESS FOR UNIFIED REFERENCE POSSIBILITY, VIDEO DECODING METHOD AND DEVICE THEREOF

摘要

Through the present invention, disclosed is an intra prediction method which searches a neighbor block restored prior to a current block among image blocks, checks whether the searched neighbor block is a restored block in an intra mode and the current block refers to the restored neighbor block in the intra mode, and determines whether or not the neighbor block is a reference block for intra prediction of the current block based on the checked results.