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Seamless pedestrian positioning and navigation using landmarks

Basiri, Anahid; Amirian, Pouria; Winstanley, Adam; Marsh, Stuart; Moore, Terry; Gales, Guillaume

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Anahid Basiri

Pouria Amirian

Adam Winstanley

Professor of Geospatial Engineering

Terry Moore

Guillaume Gales


Many navigation services, such as car navigation services, provide users with praxic navigational instructions (such as “turn left after 200 metres, then turn right after 150 metres”), however people usually associate directions with visual cues (e.g. “turn right at the square”) when giving navigational instructions in their daily conversations. Landmarks can play an equally important role in navigation and routing services. Landmarks are unique and easy-to-recognise and remember features; therefore, in order to remember when exploring an unfamiliar environment, they would be assets. In addition, Landmarks can be found both indoors and outdoors and their locations are usually fixed. Any positioning techniques which use landmarks as reference points can potentially provide seamless (indoor and outdoor) positioning solutions. For example, users can be localised with respect to landmarks if they can take a photograph of a registered landmark and use an application for image processing and feature extraction to identify the landmark and its location. Landmarks can also be used in pedestrian-specific path finding services. Landmarks can be considered as an important parameter in a path finding algorithm to calculate a route passing more landmarks (to make the user visit a more tourist-focussed area, pass along an easier-to-follow route, etc.). Landmarks can also be used as a part of the navigational instructions provided to users; a landmark-based navigation service makes users sure that they are on the correct route, as the user is reassured by seeing the landmark whose information/picture has just been provided as a part of navigational instruction. This paper shows how landmarks can help improve positioning and praxic navigational instructions in all these ways.


Basiri, A., Amirian, P., Winstanley, A., Marsh, S., Moore, T., & Gales, G. (2016). Seamless pedestrian positioning and navigation using landmarks. Journal of Navigation, 69(1),

Journal Article Type Article
Acceptance Date May 11, 2015
Online Publication Date Jun 22, 2015
Publication Date Jan 1, 2016
Deposit Date May 9, 2016
Publicly Available Date May 9, 2016
Journal Journal of Navigation
Print ISSN 0373-4633
Electronic ISSN 1469-7785
Publisher Cambridge University Press
Peer Reviewed Peer Reviewed
Volume 69
Issue 1
Keywords Landmark; pedestrian navigation; landmark-based path finding; seamless navigation
Public URL
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