The laser light performance system runs according to the format of vector images. This paper probes into the process and algorisms of image conversion from raster to vector format, which will be used in the performance system. 本文探讨了从最初编辑好的光栅格式图像到可以被激光表演系统所接受的矢量格式图像的转换即矢量化的过程和算法。