66Microcontrollers&EmbeddedSystems2023年第4期www.mesnet.com.cn机器视觉领域的FPGA超高清图像采集系统设计刘跃成1,甄国涌1,李文越2,程洪涛1,储成群1,单彦虎1(1.中北大学电子测试技术国家重点实验室,太原030051;2.陆军装备部驻北京地区军事代表局某军代室)摘要: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XilinxArtix7系列FPGA芯片XC7A35TCSG324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DCDC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2000万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。关键词:FPGA;图像采集;XC7A35TCSG324;IMX183中图分类号:TP274文献标识码:ADesignofFPGAUltraHigh-definitionImageAcquisitionSysteminMachineVisionLiuYuecheng1,ZhenGuoyong1,LiWenyue2,ChengHongtao1,ChuChengqun1,ShanYanhu1(1.NationalKeyLaboratoryofElectronicTestingTechnology,NorthUniversityofChina,Taiyuan030051,China;2.MilitaryRepresentativeOfficeofMilitaryEquipmentDepartmentinBeijing)Abstract:Inordertomeettherequirementsofcurrentmachinevisionandotherfieldsforhigh-definitionimaging,adesignschemeofanultra-highdefinitionimageacquisitionsystembasedonFPGAisproposed,thatis,theXilinxArtix7seriesFPGAchipsisequippedwithrelevantmodulestoachieveimageacquisition,storageanddisplay.Inhardwaredesign,IMX183imagesensorisselectedforimageacqui-sition,DDR3chipisusedforcaching,Flashchipisusedforstorage,andDCDCmoduleandLDOpowermoduleareusedtogethertoa-chievemulti-channelsystempowersupply.Insoftwaredesign,theimagesensorisconfiguredbySPIprotocol.Throughactualtesting,thesystemcanachieve20millionpixelsofultra-highdefinitionimagedisplay,andcanbeusedinindustrialcameras,surveillancecamerasandotherproductswithopticalstructure,whichhashighpracticalvalueandresearchsignificance.Keywords:FPGA;imageacquisition;XC7A35TCSG324;IMX1830引言随着人工智能技术的发...
