With the fast develop of multimedia techniques, there are many areas need more efficient real-time compression techniques for digital image processing. Fast compression algorithm is the key for this problem.

• 随着近年来多媒体技术的飞速发展，许多应用领域对视频图像的实时压缩提出了更高的要求，快速、高效的压缩算法是解决这一问题的关键。