The stereopsis is captured by two same decoder chips.After rectification and ZSSD matching implemented by FPGA,dense disparity map is computed and sent to general-purpose computer by PCI bus.

• 该算法是先将视频信号经解码芯片生成场景立体图像对,并由FPGA来完成立体图像对的几何校正和ZSSD匹配算法,然后将获得的致密视差图通过PC I总线发送至上位机。