基于红外焦平面探测器的红外监控系统设计

Infrared Monitoring System Based on Infrared Focal Plane Detector

提出一种基于ARM和FPGA的红外监控系统设计与实现的方案,主要对系统组成中的采集、处理、传输、显示等模块进行硬件设计,阐述了系统实现原理,为测温算法实现作铺垫。在介绍系统组成的基础上,重点介绍了ARM模块与FPGA模块之间接口设计,采用双缓存机制存储中间数据,驱动程序采用高效的DMA方案进行数据传输,有效地提高了红外监控系统图像的连续性和稳定性。实验结果表明,系统工作稳定可靠,能够满足常用实时测温算法处理的需要,该方案具有很好的工程意义和市场价值。

This paper proposes a scheme for the design of infrared monitoring system based on ARM and FPGA, it mainly designs the hardware modules of acquisition, processing, transmission, display and elaborates ,the system principle of realization to lay groundwork for temperature measurement algorithm. On the basis of introducing the system components, this paper highlights the design of interface between ARM module and FPGA module, the design uses the dual caching mechanism for storing intermediate data and the efficient DMA scheme for transferring data which effectively improve the image continuity and stability of the infrared monitoring system. The research shows that the system is stable and reliable, it is able to meet common real time temperature measurement algorithm process- ing. The scheme has a good engineering significance and market value.