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107. Janus nanocellulose membrane by nitrogen plasma : hydrophilicity to hydrophobicity selective switchAna Oberlintner, Vasyl Shvalya, Neelakandan Marath Santhosh, Martin Košiček, Ivan Jerman, Matej Huš, Uroš Cvelbar, Uroš Novak, Blaž Likozar, 2024, original scientific article Published in DiRROS: 30.01.2025; Views: 83; Downloads: 54
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108. Offline indoor navigation via QR codesRobert Modic, Matevž Ogrinc, Andraž Simčič, Bojan Blažica, Drago Torkar, 2025, published scientific conference contribution Abstract: This paper introduces a novel, cost-effective system for indoor navigation and localization that operates independently of satellite positioning services and data communication networks. The proposed solution leverages QR codes affixed within building interiors and an accompanying smartphone application, which, through integration with the device’s inertial motion unit (IMU) sensors and the application of the Pedestrian Dead Reckoning (PDR) algorithm [1], accurately determines the user’s position. This position data is then utilized by the Dijkstra navigation algorithm [2] to facilitate user navigation to their desired destination. Beyond navigation, this system offers significant utility in healthcare logistics, enabling efficient collection and transmission of triage decisions in emergency situations, even in the absence of a communication network.
Keywords: cost-effective system, QR codes, Pedestrian Dead Reckoning, indoor navigation
Published in DiRROS: 30.01.2025; Views: 73; Downloads: 0
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