基于FPGA的红外图像采集与传输系统设计

结合FPGA的特点,以FPGA作为整个设计方案的核心,设计了一套红外图像采集以及远程传输系统。通过FPGA对红外图像采集前端、SDRAM以及网卡控制芯片RTL8019AS等实现逻辑控制,将采集的数字图像信号进行增强算法处理之后存储到SDRAM中,然后将数据从SDRAM中读出并封装成帧,通过以太网传输到远端PC机并显示。整个系统具有电路简单、功耗低、数据传输方便等优点,实验结果表明,系统性能稳定,能够达到预期目的。

Research of Infrared Image Acquisition and Transmission System Based on FPGA

Based on the characteristics of FPGA,an infrared image acquisition and long-range transmission system is designed by using FPGA as the core of this system.The timing of infrared image acquisition,SDRAM and Ethernet control chip RTL8019AS are controlled by the internal logic of FPGA.The acquired image signals are stored into SDRAM after enhancement,then the data is read out from SDRAM and packaged by frame,and then transmitted to the long-range computer through an Ethernet interface.The system has such advantages as simple circuit,low power consumption and easy data transmission.Experimental results show that the system owns stable performance and can meet the expected requirements.