Fast Intra-prediction Mode Decision Algorithm Based on the Probability

The relevance of the spatial domain is mainly eliminated by intra-prediction encoding. First, the traditional intra-prediction algorithms are introduced. And then, according to the correlation between the most likely mode and the best mode, a mode matrix is arrived at, the use of this mode matrix for early termination. The experimental results show that when we use this matrix in the proposed algorithm, we can achieve about 9%-15% efficiency improvement with no any image quality degradation; If we use simple matrix, we can achieve about 33%-48% of the computing performance upgrade with the drop in PSNR 0.03db.