Progress in location-based services 2016

• Other Authors: Gartner, Georg F., 1966- (Editor), Huang, Haosheng, 1968- (Editor)
• Format: Electronic eBook
• Language: English
• Published: Cham, Switzerland : Springer, [2016]
• Series: Lecture notes in geoinformation and cartography. Subseries: Publications of the International Cartographic Association (ICA)
• Subjects: Location-based services.; elektronické knihy; electronic books
• ISBN: 9783319472898; 9783319472881
• Physical Description: 1 online resource

This book offers a selection of the best papers presented at the 13th International Symposium on Location Based Services (LBS 2016), which was held in Vienna (Austria) from November 14 to 16, 2016. It provides an overview of recent research in the field, including the latest advances in outdoor/indo...

Table of Contents:

• Preface; Reviewers; Contents; Positioning; 1 Wi-Fi Fingerprinting with Reduced Signal Strength Observations from Long-Time Measurements; Abstract; 1 Introduction; 2 Wi-Fi Positioning Principle; 2.1 Challenges of Wi-Fi Positioning; 2.2 Wi-Fi Location Fingerprinting; 2.2.1 Training Phase; 2.2.2 Positioning Phase; 2.2.3 Nearest Neighbour Algorithm; 2.2.4 K-Nearest Neighbour Algorithm; 2.3 Performance of Wi-Fi Fingerprinting; 3 Fingerprinting with Reduced RSS Observations; 3.1 Interpolation Method; 3.1.1 Reference Measurements; 3.1.2 Training Phase; 3.1.3 Positioning Phase.
• 3.2 Daily Average Improvement Method4 Indoor Experiments; 4.1 Long-Time Measurements; 4.2 Evaluation; 4.3 Resulting Radio Maps of RSS Distribution; 4.4 Positioning Results; 4.5 Spatial Distribution of Positioning Results; 4.6 Positioning Results Per Measurement Run; 5 Discussion of Results and Concluding Remarks; References; 2 Situation Goodness Method for Weighted Centroid-Based Wi-Fi APs Localization; Abstract; 1 Introduction; 2 Wi-Fi AP Localization Methods; 2.1 Weighted Centroid Method; 2.2 Interpolation Contours Centroid Method; 2.3 Other Methods from Literature.
• 3 Situation Goodness Method4 Experiments; 4.1 Test Locations and Wi-Fi Samples Databases; 4.2 AP Localization Methods Evaluation; 4.3 Situation Goodness Method Evaluation; 5 Conclusion; Acknowledgments; References; 3 Smartphone Sensor-Based Orientation Determination for Indoor-Navigation; Abstract; 1 Introduction; 2 Smartphone Sensors; 3 Orientation Filter; 3.1 System Equation; 3.2 Measurement Equation; 3.3 Statistical Test; 4 Results; 5 Conclusions; References; SubwayAPPS: Using Smartphone Barometers for Positioning in Underground Transportation Environments; 1 Introduction and Motivation.
• 2 Related Work3 Sensing Air Pressure on Mobile Devices; 3.1 Air Pressure in Underground Public Transportation Systems; 4 Depth Structure of Underground Transportation Networks; 4.1 Technical Evaluation; 5 SubwayAPPS; 6 Implementation; 6.1 MetroNavigator+; 7 Evaluation; 7.1 Results; 8 Conclusion and Future Work; References; Outdoor and Indoor Navigation; 5 Effects of Visual Variables on the Perception of Distance in Off-Screen Landmarks: Size, Color Value, and Crispness; Abstract; 1 Introduction; 2 Related Work; 2.1 Limit of Small Screen; 2.2 Related Approaches.
• 3 Representing Distance in Landmark Symbols4 Evaluation; 5 Results; 6 Discussion; 7 Conclusion; References; 6 Investigation of Landmark-Based Pedestrian Navigation Processes with a Mobile Eye Tracking System; Abstract; 1 Introduction; 2 Visual Perception and the Mental Representation of Landmarks; 3 Methods; 3.1 Study Area; 3.2 Materials; 3.3 Procedure; 3.4 Apparatus; 4 Results; 4.1 Results: Interview; 4.2 Results: Eye Tracking; 4.3 Results: Memory Test; 4.4 Statistical Relationship Between Fixations and Landmark Recall; 5 Discussion; 6 Conclusion and Outlook; References.