Exploiting time series of Sentinel-1 and Sentinel-2 to detect grassland mowing events using deep learning with reject region

V Komisarenko, K Voormansik, R Elshawi, S Sakr - Scientific Reports, 2022 - nature.com
Governments pay agencies to control the activities of farmers who receive governmental
support. Field visits are costly and highly time-consuming; hence remote sensing is widely …

[HTML][HTML] Unveiling large-scale commuting patterns based on mobile phone cellular network data

A Hadachi, M Pourmoradnasseri… - Journal of Transport …, 2020 - Elsevier
In this study, with Estonia as an example, we established an approach based on Hidden
Markov Model to extract large-scale commuting patterns at different geographical levels …

Application of Gaussian mixtures in a multimodal Kalman filter to estimate the state of a nonlinearly moving system using sparse inaccurate measurements in a cellular …

A Lind, S Wu, A Hadachi - Sensors, 2023 - mdpi.com
Kalman filter is a well-established accuracy correction method in control, guidance, and
navigation. With the popularity of mobile communication and ICT, Kalman Filter has been …

Mobile positioning and trajectory reconstruction based on mobile phone network data: A tentative using particle filter

S Dyrmishi, A Hadachi - 2021 7th International Conference on …, 2021 - ieeexplore.ieee.org
Mobile positioning is a key element in many geolocation applications and research fields
about human mobility patterns, location-based services, targeted marketing, urban mobility …

From mobility analysis to mobility hubs discovery: A concept based on using cdr data of the mobile networks

A Hadachi, A Lind, J Lomps… - 2018 10th International …, 2018 - ieeexplore.ieee.org
Understanding human mobility in dynamic environments, such as our cities, is a crucial step
toward the development of our economy, our environment, our transportation, as well as our …

Spatio-temporal mobility analysis for community detection in the mobile networks using CDR data

A Lind, A Hadachi, P Piksarv… - 2017 9th International …, 2017 - ieeexplore.ieee.org
Building or detecting community association is a key attribute in understanding relationships
in social networks and their behavior. By detecting groups, we can address many issues …

Tracking group movement in location based social networks

S Kannangara, H Xie, E Tanin, A Harwood… - Proceedings of the 28th …, 2020 - dl.acm.org
We study the problem of tracking the movement of groups using sparse trajectory data
extracted from Location Based Social Networks (LBSNs). Tracking group movement using …

Towards state-full positioning of mobile subscribers through advanced cell coverage modeling technique

A Lind, A Hadachi - … on Localization and GNSS (ICL-GNSS), 2021 - ieeexplore.ieee.org
The mobile subscribers' positioning is an essential feature for multiple applications such as
navigation, geo-information systems, and location-based service. Having accurate …

Mobility episode discovery in the mobile networks based on enhanced switching kalman filter

T Vajakas, T Kiis, A Hadachi… - 2018 10th International …, 2018 - ieeexplore.ieee.org
The usage of mobile phones has become an important activity in our lives. The passive
mobile positioning of mobiles provides large-scale data about human mobility. Hence, in this …

CDR Based Trajectories: Tentative for Filtering Ping-pong Handover

J Lõmps, A Lind, A Hadachi - arXiv preprint arXiv:2105.00526, 2021 - arxiv.org
Call Detail Records (CDRs) coupled with the coverage area locations provide the operator
with an incredible amount of information on its customers' whereabouts and movement. Due …