【摘要】 从多排螺旋CT图像序列"体素"各向同性的特点出发,采用真正三维小波变换和三维空间方向等级树编码(SPIHT)方案,对多排螺旋CT图像序列进行压缩.仿真结果显示该方案在满足诊疗要求图像质量的前提下获得较为理想的压缩比.更多还原

【Abstract】 An important characteristic of MSCT image sequence of is that its voxels have the same resolution in three dimensions. So the 3D wavelet transform and SPIHT techniques are adopted to compress Image sequence of MSCT. Simulation results show that this method can retrieval desired image not only for diagnosis purpose, but also has high compression ratio.更多还原