针对小波变换和多级树集合分裂图像编码具有浮点数运算、算法复杂等特点,采用整数实现的提升格式代替了原来的小 波变换,并结合提升小波变换和DCT变换的特点,提出了一种改进方案。-For wavelet transform and multi-level set to split the tree image coding with floating-point computation, algorithmic complexity, etc., realize the upgrading of