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To improve the fusion accuracy of multi-modal data in the field of autonomous driving this paper proposes a spatiotemporal synchronization technology techinal scheme for Light Detection and Ranging (LiDAR) and camera. By adopt a method of estimating and adjusting the offset, it calulates the time of the trigger for the camera exposure, and adjusts the offset time of the trigger for the camera exposure thereby controlling LiDAR and camera to scan and the same target at the same time. The results show that the proposed scheme significantly improves the fusion accuraly of poirt cloud data and images, verifying the feasibility and effectiveness of the technical scheme.

, authors=Jian Zhu, authorsList=Jian Zhu, authorCompany=null, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1309639595088765101, articleId=1309639594673529003, tenantId=1146029695717560320, journalId=1189645257101713411, language=CN, title=激光雷达与摄像头时空同步技术的设计与实现, columnId=1309639589879444032, journalTitle=汽车文摘, columnName=自动驾驶技术专题, runingTitle=null, highlight=null, articleAbstract=

为了提升自动驾驶领域多模态数据融合精度，提出了一种激光雷达与摄像头时空同步技术方案，采用预估偏移量、调整偏移量的方法，通过计算摄像头曝光触发的时间，调整摄像头曝光触发时刻的偏移，从而控制激光雷达与摄像头对同一目标在同一时刻进行扫描和曝光采集，实现激光雷达与摄像头的时空同步。试验结果表明，该方案显著提升了点云数据与图像数据融合的精度，验证了技术方案的可行性与效果。

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