中文说明：显示一个样本图像的单和两阶段分解，以及重建的分支。重建误差。同时也表明，更好的压缩通常可以如果不同的阈值，允许为不同的子带得到。
English Description：
Shows single- and two-stage-decomposition of a sample image, as well as reconstructed branches. The reconstruction error is shown.Also demonstrates that better compression can often be obtained if different thresholds are allowed for different subbands.