【摘要】 针对CL多小波变换后的图像系数特点,综合考虑子带各分量图像间的相关性,构造矢量,并根据系数在不同方向上的分布,提出了分块码本的设计方法;用SOFM网络来训练得到的矢量,完成矢量量化。通过实验,表明了用该方法得到的码本空间不仅具有良好的性能,运算速度快,并且具有很强的通用性,这对未知海底图像的摄取尤其重要。更多还原

【Abstract】 Arrange the coefficients of the image transferred by CL multi-wavelet to vectors based on the strong pertinency of sub-images, then put the vectors respectively into three SOFM nets according to the orientation of coefficients, that’s we will get three code tables. By experiments,we can draw the conclusion: the code tables gotten by the our method have good performances,high speed and to some extend are universal.更多还原