In this special issue of IEEE Transactions on Visualization and Computer Graphics (TVCG) , we are pleased to present the TVCG papers from the 19th IEEE International Symposium on Mixed and Augmented Reality (ISMAR 2020), which had been originally planned to hold in Recife/Porto de Galinhas, Brazil. In order to preserve the safety and well-being of all participants under the global pandemic of COVID-19, ISMAR 2020 will be held as a virtual conference between November 9 and 13, 2020. ISMAR continues the over twenty year long tradition of IWAR, ISMR, and ISAR, and is undoubtedly the premier conference for Mixed and Augmented Reality in the world.

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ISMAR 2020科学与技术计划主席和 TVCG 客座编辑

在本期特刊中 IEEE可视化和计算机图形学事务（TVCG） ，我们很高兴介绍 TVCG最初计划在巴西累西腓/加里尼亚斯港举行的第19届IEEE混合现实与增强现实国际研讨会（ISMAR 2020）的论文。为了在全球COVID-19大流行中维护所有参与者的安全和福祉，ISMAR 2020将作为虚拟会议在2020年11月9日至13日之间举行。ISMAR延续了IWAR二十多年来的悠久传统， ISMR和ISAR，无疑是全球混合和增强现实的主要会议。