【摘要】 通过结合图像边缘方向信息4×4亮度块和16×16亮度块之间选择的2个特点,对H.264的帧内预测算法进行了相应的改进.结果表明,本文算法和H.264校验模型JM86相比,图像编码质量和输出码率基本保持不变,但编码时间却明显少于校验模型JM86.更多还原

【Abstract】 The intra prediction of H.264 is improved by combining the information of image edge direction and selection between intra 4×4 block mode and intra 16×16 block mode.Experiment results suggest that the proposed scheme is more time-saving than H.264 encoder JM86 while the quality of coded image and bit rate are not compromised.更多还原