实现用SDRAM运行nios，同时用SRAM保存摄像头数据，实现六自由度运动学逆解算法，表示出两帧图像间各个像素点的相对情况。- Implemented with SDRAM run nios, while saving camera data SRAM, Six degrees of freedom to achieve inverse kinematics algorithm, Between two images showing the relative circumstances of each pixel.