A Review of Environmental Context Detection for Navigation Based on Multiple Sensors

Abstract

Current navigation systems use multi-sensor data to improve the localization accuracy, but often without certitude on the quality of those measurements in certain situations. The context detection will enable us to build an adaptive navigation system to improve the precision and the robustness of its localization solution by anticipating possible degradation in sensor signal quality (GNSS in urban canyons for instance or camera-based navigation in a non-textured environment). That is why context detection is considered the future of navigation systems. Thus, it is important firstly to define this concept of context for navigation and to find a way to extract it from available information. This paper overviews existing GNSS and on-board vision-based solutions of environmental context detection. This review shows that most of the state-of-the art research works focus on only one type of data. It confirms that the main perspective of this problem is to combine different indicators from multiple sensors.

Sensors and Sensor’s Fusion in Autonomous Vehicles

“…Another publication that refers to navigation system is [ 6 ]. Feriol F. et al presented the review of existing GNSS and on-board vision-based solutions of environmental context detection.…”

GNSS-based environmental context detection for navigation

“…The main issue with the latter is that very often those algorithms are dedicated to mitigate a specific limitation of GNSS which have a tendency to appear in a specific environment (also called context). For example, multipaths mitigation and Doppler aiding algorithms are mainly used in urban areas, shadow matching is exclusively used in urban canyon and the modification of the coherent integration time is useful in indoor or under canopy (see [1] for more details). This notion of environmental context is therefore considered as a key of future navigation solution since it could help to choose a suitable algorithm and improve the general performance of the solution [2].…”

Conceptual framework of a Global Yacht Positioning System in Poland

“…• Global Navigation Satellite System (GNSS) sensors and receivers that increase safety in inland sailing (Feriol et al 2020;Heßelbarth et al 2020), • blockchain technology (Ahmed et al 2019;Al Amiri et al 2020), • mathematical models for optimizing the location of mooring facilities (Wang et al 2019), • storage and management of data used for Marine Spatial Planning (Flynn et al 2021), • geographic information system (GIS) tools for harbor management (Elbeih et al 2019;Akyrek and Bolat 2020;Nur et al 2020).…”