According to wavelet coefficients energy distribution in different subbands,different thresholds are obtained in different subbands to improve reconstructed image quality significantly.

• 将该阈值方法和多小波变换相结合,根据多小波分解后的能量分布特性,在不同尺度的子带选择不同的最佳阈值,有效地提高了重构图像质量。