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Front. Inform. Technol. Electron. Eng.  2016, Vol. 17 Issue (8): 730-740    DOI: 10.1631/FITEE.1500324
    
室内导航系统视觉标记性能分析
Gaetano C. La Delfa, Salvatore Monteleone, Vincenzo Catania, Juan F. De Paz, Javier Bajo
Department of Electrical, Electronics and Computer Engineering (DIEEI), University of Catania, Catania 95125, Italy; BISITE Research Group, Faculty of Science, University of Salamanca, Salamanca 37007, Spain; Department of Artificial Intelligence, Polytechnic University of Madrid, Madrid 28660, Spain
Performance analysis of visual markers for indoor navigation systems
Gaetano C. La Delfa, Salvatore Monteleone, Vincenzo Catania, Juan F. De Paz, Javier Bajo
Department of Electrical, Electronics and Computer Engineering (DIEEI), University of Catania, Catania 95125, Italy; BISITE Research Group, Faculty of Science, University of Salamanca, Salamanca 37007, Spain; Department of Artificial Intelligence, Polytechnic University of Madrid, Madrid 28660, Spain
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摘要： 概要：智能手机大规模普及，人们对可穿戴设备和物联网兴趣倍增，以及定位服务指数级增长，使得室内定位导航成为近年来最重要的技术挑战之一。室内定位系统不仅在零售行业及定向推送广告行业有着巨大的市场，同时，它还可以部署在医院、机场、博物馆等公共建筑中，成为提升人们生活质量的基础性配置。甚至，在紧急情况下，是否部署室内定位系统，会造成生死之别。文献中已报道多种方法。近年来，得益于智能手机相机性能的大幅提升，无标记点和有标记点的计算机视觉方法得到开发。在之前的研究中，我们提出了一种利用低功耗蓝牙和嵌入地面的2D视觉标记系统进行室内定位导航的技术。在本文中，我们对3种可服务于实时应用的2D视觉标记（Vuforia，ArUco标记和AprilTag）进行了定性的性能评估。本文重点研究了附于地表瓷砖的3种视觉标记在特定情况下的表现，提出了最优视觉标记的甄选原则，为我们提出的室内定位导航技术提供技术支撑。
关键词： 室内定位;  视觉标记;  计算机视觉    
Abstract: The massive diffusion of smartphones, the growing interest in wearable devices and the Internet of Things, and the exponential rise of location based services (LBSs) have made the problem of localization and navigation inside buildings one of the most important technological challenges of recent years. Indoor positioning systems have a huge market in the retail sector and contextual advertising; in addition, they can be fundamental to increasing the quality of life for citizens if deployed inside public buildings such as hospitals, airports, and museums. Sometimes, in emergency situations, they can make the difference between life and death. Various approaches have been proposed in the literature. Recently, thanks to the high performance of smartphones’ cameras, marker-less and marker-based computer vision approaches have been investigated. In a previous paper, we proposed a technique for indoor localization and navigation using both Bluetooth low energy (BLE) and a 2D visual marker system deployed into the floor. In this paper, we presented a qualitative performance evaluation of three 2D visual markers, Vuforia, ArUco marker, and AprilTag, which are suitable for real-time applications. Our analysis focused on specific case study of visual markers placed onto the tiles, to improve the efficiency of our indoor localization and navigation approach bychoosing the best visual marker system.
Key words: Indoor localization    Visual markers    Computer vision
收稿日期: 2015-10-08 出版日期: 2016-08-05
CLC:  TP391  
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Gaetano C. La Delfa
Salvatore Monteleone
Vincenzo Catania
Juan F. De Paz
Javier Bajo

引用本文:

Gaetano C. La Delfa, Salvatore Monteleone, Vincenzo Catania, Juan F. De Paz, Javier Bajo. Performance analysis of visual markers for indoor navigation systems. Front. Inform. Technol. Electron. Eng., 2016, 17(8): 730-740.

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http://www.zjujournals.com/xueshu/fitee/CN/10.1631/FITEE.1500324    或    http://www.zjujournals.com/xueshu/fitee/CN/Y2016/V17/I8/730

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