基于FPGA和DSP的图像拼接系统

Image Mosaic System Based on FPGA and DSP

针对传统的在PC机上实现的图像拼接系统体积庞大、功耗高、携带不便等缺点,结合SIFT特征设计了一种基于FPGA和DSP的图像拼接系统。FPGA负责完成视频图像采集、显示的逻辑控制;DSP负责完成图像拼接算法的实现;并利用FPGA内部FIFO与DSP的EMIFA接口直接通信,实现FPGA与DSP之间的数据交换。利用Chip Scope、CCS对系统中的各个模块调试,实验结果表明基于FPGA和DSP的图像拼接系统能够实现图像拼接功能,验证了其有效性。同时极大地增强了系统的灵活性。

In view of the conventional method＇s defect that image mosaic system realized on PC consists in Large size,high power and be inconvenient to carry. An image mosaic system based on FPGA and DSP combining with SIFT feature is designed. The FPGA is used for completing the logic control of acquisition and display of video image. The DSP is used for realizing image mosaicing algorithm,and the internal FIFO of FPGA can be directly communicated with EMIFA interface of DSP.We debug every modules in the system bu using Chip Scope and CCS. The result shows that the image mosaic system based on FPGA and DSP can realize image mosaic function,and the experiment result verify its feasibility. Meanwhile,the flesibility of the system is greatly enhanced.