Laser range scanners for enabling zero-overhead wifi-based indoor localization system

H Rizk, H Yamaguchi, M Youssef… - ACM Transactions on …, 2023 - dl.acm.org
Robust and accurate indoor localization has been the goal of several research efforts over
the past decade. Toward achieving this goal, WiFi fingerprinting-based indoor localization …

Locfree: Wifi rtt-based device-free indoor localization system

M Mohsen, H Rizk, H Yamaguchi… - … on Spatial Big Data and AI …, 2023 - dl.acm.org
Gaining knowledge of a person's location in the environment without needing a specialized
device raises the need for device-free indoor localization systems that could be leveraged in …

Cross-subject activity detection for covid-19 infection avoidance based on automatically annotated imu data

H Rizk, T Amano, H Yamaguchi… - IEEE Sensors …, 2022 - ieeexplore.ieee.org
The World Health Organization reported that face touching is a primary source of infection
transmission of viral diseases, including COVID-19, seasonal Influenza, Swine flu, Ebola …

Photovoltaic cells for energy harvesting and indoor positioning

H Rizk, D Ma, M Hassan, M Youssef - Proceedings of the 30th …, 2022 - dl.acm.org
We propose SoLoc, a lightweight probabilistic fingerprinting-based technique for energy-
free device-free indoor localization. The system harnesses photovoltaic currents harvested …

Photovoltaic cells for energy harvesting and step counting

K Shintani, H Rizk, H Yamaguchi - 2023 IEEE International …, 2023 - ieeexplore.ieee.org
As the number of IoT devices grows, the demand for energy-free sensing becomes
necessary. Step counting is one of the most valuable contexts for many human-centric …

An Efficient Quantum Binary-Neuron Algorithm for Accurate Multi-Story Floor Localization

Y Zook, A Shokry, M Youssef - 2024 14th International …, 2024 - ieeexplore.ieee.org
Accurate floor localization in a multi-story environment is an important but challenging task.
Among the current floor localization techniques, fingerprinting is the mainstream technology …

Enhancing Trust in Localization Systems: An XAI Approach

M ElMahdy, MG Abdu-Aguye, H Rizk… - Proceedings of the 32nd …, 2024 - dl.acm.org
Machine learning and deep learning are becoming more popular in the area of indoor
localization leveraging the Wi-Fi Received signal strength demonstrating high performance …