Publications

Challenges and Advancements in Image-based 3D Reconstruction of Large-Scale Urban Environments: A Review of Deep learning and Classical methods

Alireza Akhavi Zadegan, Damien Vivet, Amnir Hadachi

Journal articleOpen access

Data-driven approach for assessing the impact of newly developed cycling infrastructure on cyclists' route choice

Helen Tera, Amnir Hadachi, Mozhgan Pourmoradnasseri

Journal of Transport Geography

Journal articleOpen access

Decentralized Proof-of-Location systems for trust, scalability, and privacy in digital societies

Eduardo Ribas Brito, Amnir Hadachi, Liina Kamm, Ulrich Norbisrath

Scientific Reports

Journal articleOpen access

Differences in bike-sharing usage and its associations with station-surrounding characteristics: A multi-group analysis using machine learning techniques

Xiao Cai, Xinyue Gu, Siiri Silm, Amnir Hadachi, Tanhua Jin, Frank Witlox

Journal of Transport Geography

Journal articleOpen access

Leveraging Call Detail Records to Uncover Azimuth Configuration Errors in Cellular Networks

Toivo Vajakas, Amnir Hadachi, Eero Vainikko

Conference paper

Mamba-PKD: A Framework for Efficient and Scalable Model Compression in Image Classification

Jose Luis Medina Cartuche, Amnir Hadachi, Paul Honeine, Abdelaziz Bensrhair

Conference paper

Prioritization of Cycling Infrastructure Expansion: A Data-Driven, Multi-Criteria Approach

Martti Tarro, Helen Tera, Mozhgan Pourmoradnasseri

Conference paper

Refining Urban Microscopic Traffic Simulations Accuracy Using a Customized Random Walk Model for Dynamic Stochastic Route Choice.

Kaveh Khoshkha, Mozhgan Pourmoradnasseri, Behzad Bamdad Mehrabani, Sadok Ben Yahia, Amnir Hadachi

Conference paperOpen access

Semi-Dense Feature Matching via Mamba-Based Knowledge Distillation

Jose Luis Medina Cartuche, Helena Sokk, Amnir Hadachi

Conference paper

Street2GIS: Multimodal Generative Framework for Pedestrian Infrastructure Mapping

Alireza Akhavi Zadegan, Jose Luis Medina Cartuche, Amnir Hadachi

Conference paper

SynthGuard: Redefining Synthetic Data Generation with a Scalable and Privacy-Preserving Workflow Framework

Eduardo Ribas Brito, Mahmoud Shoush, Kristian Tamm, Paula Etti, Liina Kamm

Conference paperOpen access

TrustOps: Continuously Building Trustworthy Software

Eduardo Ribas Brito, Fernando Castillo, Pille Pullonen-Raudvere, Sebastian Werner

Conference paper

Trustworthy decentralized autonomous machines: A new paradigm in automation economy

Fernando Castillo, Oscar Castillo, Eduardo Ribas Brito, Simon Espinola

Conference paper

Zero-Knowledge Proof-of-Location Protocols for Vehicle Subsidies and Taxation Compliance

Dan Bogdanov, Eduardo Ribas Brito, Annika Jaakson, Peeter Laud, Raul-Martin Rebane

Conference paperOpen access

Blueprints for Deploying Privacy Enhancing Technologies in E-Government

Liina Kamm, Dan Bogdanov, Eduardo Ribas Brito, Andre Ostrak

Conference paperOpen access

Camera-LiDAR Fusion based Object Segmentation in Adverse Weather Conditions for Autonomous Driving

Junyi Gu, Mauro Bellone, Artjom Lind

Conference paper

DELTA: Integrating Multimodal Sensing with Micromobility for Enhanced Sidewalk and Pedestrian Route Understanding

Alireza Akhavi Zadegan, Damien Vivet, Amnir Hadachi

Sensors

Journal articleOpen access

Generative-AI based Map Representation and Localization

Alireza Akhavi Zadegan, Amnir Hadachi

Conference paperOpen access

Knowledge Distillation Neural Network for Predicting Car-following Behaviour of Human-driven and Autonomous Vehicles

Ayobami Adewale, Chris Lee, Amnir Hadachi, Nicolly Lima da Silva

Conference paperOpen access

Mobility-based anomaly detection in CDR based Trajectories from the mobile Cellular Network

Tiit Vaino, Elis Kõivumägi, Amnir Hadachi

Conference paper

Positiivse krediidiregistri võimalike optimaalsete tehnoloogiliste lahenduste analüüs

Dan Bogdanov, Paula Etti, Liina Kamm, Baldur Kubo, Tanel Mällo, Riivo Talviste, Maria Toomsalu, Toivo Vajakas

other electronic publicationsOpen access

Studying the Impact of Infrastructure on Cyclist Route Selection: Real-world Data Mining

Merlin Raud, Amnir Hadachi, Rajesh Sharma, Flavio Bertini

Conference paper

A Hidden Markov Model Method for Non-Stationary Noise Reduction: Case study on Sentinel Data for Mowing Detection

Kaveh Khoshkhah, Kyrylo Medianovskyi, Dmitry Kolesnykov, Amnir Hadachi, Kaupo Voormansik

Signal Image and Video Processing

Journal articleOpen access

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 Radio Network

Artjom Lind, Shan Wu, Amnir Hadachi

Sensors

Journal articleOpen access

Bounding the Number of Minimal Transversals in Tripartite 3-Uniform Hypergraphs

Alexandre Bazin, Laurent Beaudou, Giacomo Kahn, Kaveh Khoshkhah

Discrete Mathematics and Theoretical Computer Science

Journal articleOpen access

CDR-based Trajectory Reconstruction of Mobile Network Data Using Transformers

Oliver Bollverk, Amnir Hadachi

Conference paper

COVID-19, From Lockdown to Recovery: Exploring the Dynamics of Bike-Sharing and Public Transport in Tartu, Estonia

Mozhgan Pourmoradnasseri, Karl Gustav Loog, Kaveh Khoshkhah

Conference paper

Leveraging IoT data stream for near‐real‐time calibration of city‐scale microscopic traffic simulation

Mozhgan Pourmoradnasseri, Kaveh Khoshkhah, Amnir Hadachi

IET Smart Cities

Journal articleOpen access

MOTT: A new model for multi-object tracking based on green learning paradigm

Shan Wu, Amnir Hadachi, Chaoru Lu, Damien Vivet

AI Open

Journal articleOpen access

Near-real-time dynamic noise mapping and exposure assessment using calibrated microscopic traffic simulations

Sacha Baclet, Kaveh Khoshkhah, Mozhgan Pourmoradnasseri, Romain Rumpler, Amnir Hadachi

Transportation Research Part D Transport and Environment

Journal articleOpen access

Power of the Data in the Analysis and Evaluation of Bicycle-sharing Integration in an Urban Ecosystem: a Case Study in Tartu City

Helen Tera, Mozhgan Pourmoradnasseri, Amnir Hadachi

Conference paper

Transformer for Multiple Object Tracking: Exploring Locality to Vision

Shan Wu, Amnir Hadachi, Chaoru Lu, Damien Vivet

Pattern Recognition Letters

Journal article

A Combined System Metrics Approach to Cloud Service Reliability Using Artificial Intelligence

Tek Raj Chhetri, Chinmaya Kumar Dehury, Artjom Lind, Satish Narayana Srirama, Anna Fensel

Big Data and Cognitive Computing

Journal articleOpen access

A Real-Time Model for Pedestrian Flow Estimation in Urban Areas based on IoT Sensors

Kaveh Khoshkhah, Mozhgan Pourmoradnasseri, Amnir Hadachi

Conference paper

A Survey on the Advancement of Travel Time Estimation Using Mobile Phone Network Data

Amnir Hadachi, Mozhgan Pourmoradnasseri

IEEE Transactions on Intelligent Transportation Systems

Journal article

Adaptive Edge Process Migration for IoT in Heterogeneous Fog and Edge Computing Environments

Chii Chang, Amnir Hadachi, Satish Narayana Srirama

Conference paper

Object Segmentation for Autonomous Driving Using iseAuto Data

J. Gu, M. Bellone, R. Sell, Artjom Lind

Electronics

Journal articleOpen access

Real-Time System for Daily Modal Split Estimation and OD Matrices Generation Using IoT Data: A Case Study of Tartu City

Kaveh Khoshkhah, Mozhgan Pourmoradnasseri, Amnir, Hadachi, Helen, Tera, Jakob Mass, Keshi Erald, Shan Wu

Sensors

Journal articleOpen access

Mobile Positioning and Trajectory Reconstruction Based on Mobile Phone Network Data: A Tentative Using Particle Filter

Salijona Dyrmishi, Amnir Hadachi

Conference paper

NetCalib: A Novel Approach for LiDAR-Camera Auto-calibration Based on Deep Learning

Shan Wu, Amnir Hadachi, Damien Vivet, Yadu Prabhakar

Conference paper

This is The Way: Sensors Auto-calibration Approach Based on Deep Learning for Self-driving Cars

Shan Wu, Amnir Hadachi, Damien Vivet, Yadu Prabhakar

IEEE Sensors Journal

Journal article

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

Artjom Lind, Amnir Hadachi

Conference paper

Adaptive Edge Process Migration for IoT in Heterogeneous Fog and Edge Computing Environment

Chii Chang, Amnir Hadachi, Satish Narayana Srirama

International Journal of Mobile Computing and Multimedia Communications

Journal article

Mobile Fog Computing

Chii Chang, Amnir Hadachi, Jakob Mass, Satish Narayana Srirama

Conference paper

Remote-sensing support for the Estonian National Forest Inventory, facilitating the construction of maps for forest height, standing-wood volume, and tree species composition

Mait Lang, Allan Sims, Kalev Pärna, Raul Kangro, Märt Möls, Marta Mõistus, Andres Kiviste, Mati Tee, Toivo Vajakas, Mattias Rennel

Forestry Studies / Metsanduslikud Uurimused

Journal articleOpen access

Road Surface Recognition Based on DeepSense Neural Network using Accelerometer Data

Shan Wu, Amnir Hadachi

Conference paper

Unveiling Large-scale Commuting Patterns Based on Mobile Phone Cellular Network Data

Amnir Hadachi, Mozhgan Pourmoradnasseri, Kaveh Khoshkhah

Journal of Transport Geography

Journal articleOpen access

Weighted Upper Edge Cover: Complexity and Approximability

Kaveh Khoshkhah, Mehdi Khosravian Ghadikolaei, Jérôme Monnot, Florian Sikora

Journal of Graph Algorithms and Applications

Journal articleOpen access

Complexity and approximability of extended Spanning Star Forest problems in general and complete graphs

Kaveh Khoshkhah, Mehdi Ghadikolaei Khosravian, Jérôme Monnot, Dirk Oliver Theis

Theoretical Computer Science

Journal articleOpen access

Correction to: Weighted Upper Edge Cover: Complexity and Approximability

Kaveh Khoshkhah, Mehdi Khosravian Ghadikolaei, Jérôme Monnot, Florian Sikora

Lecture Notes in Computer Science

Conference paperOpen access

OD-Matrix Extraction based on Trajectory Reconstruction from Mobile Data

Mozhgan Pourmoradnasseri, Kaveh Khoshkhah, Artjom Lind, Amnir Hadachi

Conference paper

From Mobility Analysis to Mobility Hubs Discovery: A Concept based on Using CDR Data of the Mobile Networks

Amnir Hadachi, Artjom Lind, Joonas Lomps, Peeter Piksarv

Conference paper

Introducing Cellular Network Layer into SUMO for Simulating Vehicular Mobile Devices' Interactions in Urban Environment

Siim-Toomas Marran, Artjom Lind, Amnir Hadachi

the 4th International Conference on Vehicle Technology and Intelligent Transport Systems

Conference paperOpen access

Mobile Big Data: Foundations, State of the Art, and Future Directions

Chii Chang, Amnir Hadachi, Srirama, Narayana, Satish, Mart Min

Conference paper

Mobility Episode Discovery in the Mobile Networks Based on Enhanced Switching Kalman Filter

Toivo Vajakas, Tanel Kiis, Amnir Hadachi, Eero Vainikko

Conference paper

Real-time Vehicles Tracking Based on Mobile Multi-sensor Fusion

Siim Plangi, Amnir Hadachi, Artjom Lind, Abdelaziz Bensrhair

IEEE Sensors Journal

Journal article

A new approach for mobile positioning using the CDR data of cellular networks

Artjom Lind, Amnir Hadachi, Batrashev Oleg

The 5th IEEE international Conference on Models and Technologies for Intelligent Transportation Systems

Conference paper

Performance analysis of a compact and low-cost mapping-grade mobile laser scanning system

K. Julge, Toivo Vajakas, A. Ellmann

Journal of Applied Remote Sensing

Journal article

Spatio-Temporal Mobility Analysis for Community Detection in the Mobile Networks Using CDR Data

Artjom Lind, Amnir Hadachi, Peeter Piksarv, Oleg Batrashev

The 9th International Congress on Ultra Modern Telecommunications and Control Systems

Conference paper

The Impact of Morphological Processing and Feature Selection on Handwriting Recognition Accuracy

Joonas Lõmps, Amnir Hadachi

The 4th international Conference on Multimedia, Scientific Information and Visualization for Information Systems and Metrics

Book chapter

Initial tests and accuracy assessment of a compact mobile laser scanning system

K. Julge, A. Ellmann, Toivo Vajakas, R. Kolka

Conference paperOpen access

On optimal spatial probability density estimation of passive mobile positioning events

Toivo Vajakas, Joosep Rõõmusaare

Conference paper

Mobility Episode Detection from CDR’s Data using Switching Kalman Filter

Oleg Batrashev, Amnir Hadachi, Artjom Lind, Eero Vainikko

ACM International Conference Proceedings Series

Conference paper

Open Source Platform for Teaching Administration of Unix-like Systems

Dmitri Danilov, Artjom Lind, Eero Vainikko

Conference paper

Real time movement labelling of mobile event data

Elis Kõivumägi, Mati Vait, Amnir Hadachi, Georg Singer, Eero Vainikko

Journal of Location Based Services

Journal article

Trajectory reconstruction from mobile positioning data using cell-to-cell travel time information

Toivo Vajakas, Jaan Vajakas, Rauni Lillemets

International Journal of Geographical Information Science

Journal article

Cell phone subscribers mobility prediction using enhanced Markov Chain algorithm

Amnir Hadachi, Oleg Batrashev, Artjom Lind, Georg Singer, Eero Vainikko

IEEE Proceedings

Conference paper

Approach To Estimate Travel Time Using Sparsely Sampled GPS Data in Urban Networks

Amnir Hadachi, Stephane Mousset, Abdelaziz Bensrheir

Electronics Letters

Journal article

Practical testing application of travel time estimation using applied Monte Carlo Method and adaptive estimation from probes

Amnir Hadachi, Stephane Mousset, Abdelaziz Bensrheir

Conference paper

Travel Time Estimation Using Cooperative Probes Vehicles

Amnir Hadachi, Stephane Mousset, Christele Lecomte, Abdelaziz Bensrhair

Book chapter

An Application of the Sequential Monte Carlo to Increase the Accuracy of Travel Time Estimation in Urban Areas

Amnir Hadachi, Christele Lecomte, Stephane Mousset, Abdelaziz Bensrhair

Conference paper