为满足当前机器视觉等领域对高清晰度成像的要求,提出了一种基于FPGA的超高清图像采集系统设计方案,通过Xilinx Artix-7系列FPGA芯片XC7A35T-CSG324搭载相关模块实现图像的采集、存储、显示。在硬件设计上选用IMX183图像传感器进行图像采集、DDR3芯片进行缓存、Flash芯片进行存储,并通过DC-DC电源模块与LDO电源模块配合使用实现多通道系统供电。软件设计上通过SPI协议进行图像传感器的配置,并对LVDS图像数据进行解析。实际测试结果表明,该系统可以实现2 000万像素的超高清图像显示,配合光学结构可应用于工业相机、监控摄像头等多种产品中,具有较高的实用价值和研究意义。

In order to meet the requirements of current machine vision and other fields for high-definition imaging,a design scheme of an ultra-high definition image acquisition system based on FPGA is proposed,that is,the Xilinx Artix-7 series FPGA chips is equipped with relevant modules to achieve image acquisition,storage and display.In hardware design,IMX183 image sensor is selected for image acquisition,DDR3 chip is used for caching,Flash chip is used for storage,and DC-DC module and LDO power module are used together to achieve multi-channel system power supply.In software design,the image sensor is configured by SPI protocol.Through actual testing,the system can achieve 20 million pixels of ultra-high definition image display,and can be used in industrial cameras,surveillance cameras and other products with optical structure,which has high practical value and research significance.