通过TMS320C6X系列DSP芯片实现平行束卷积的投影算法，并给出原理框图，完成了CT图像重建，-TMS320C6X series DSP chip through parallel beam convolution of the projection algorithm of block diagram, completed the CT image reconstruction,

一种32位数据32位CRC并行加密算法。程序以数据包的格式编写，已经通过测试。-One kind of data 32 32 parallel CRC encryption algorithm. Program written in the format of packets, has passed the test.