Experimental result shows the algorithm has nearly the same edge preserving performance as nonlinear multiwavelet transform, and nearly the same speckle noise suppression performance as filtering.

• 此算法对原图像进行多小波变换，然后在不同尺度，不同方向进行自适应阈值处理，仿真结果表明：本算法能够有效地抑制了斑点噪声，又保留有用信号及边缘信息。