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Evaluation of Positioning Accuracy for the Pedestrian Navigation System
Sumio USUI Junichiro TSUJI Koji WAKIMOTO Satoshi TANAKA Junshiro KANDA Fumiaki SATO Tadanori MIZUNO
IEICE TRANSACTIONS on Communications
Publication Date: 2005/07/01
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Section on Mobile Multimedia Communications)
pedestrian navigation system, GPS, GIS, mobile phone, positioning, location based services,
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Today, pedestrian navigation systems for mobile phones use 2-dimensional maps as a navigation media in general. But 3-dimensional maps or scenery images are easier to understand for users than 2-dimensional maps. To use 3-dimensional maps or scenery guidance, the measuring accuracy of user position is essential to understand guidance images. In this paper, we will present a pedestrian navigation system using real scenery photographs as a navigation media, and based on experiments we will report the evaluation result of influence of positioning accuracy on the understandability of navigation. It is shown that 3 meters or less error of positioning is tolerable for pedestrian navigation systems using scenery images.