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Ultrasensitive Detection of Biomarkers by Using a Molecular Imprinting Based Capacitive Biosensor

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A Tagless Indoor Localization System Based on Capacitive Sensing Technology.

Alireza Ramezani Akhmareh¹, Mihai Teodor Lazarescu², Osama Bin Tariq³

¹Politecnico di Torino, Corso Duca degli Abruzzi, Torino 24-10129, Italy. alireza.ramezani@polito.it.

Sensors (Basel, Switzerland)

|September 13, 2016

Summary

This study presents a tagless indoor person localization system using capacitive sensing, achieving sub-0.2m accuracy. The system enhances assisted living technologies with precise, low-error human tracking.

Keywords:

capacitive sensing indoor localization tagless localization

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Area of Science:

Engineering
Computer Science
Human-Computer Interaction

Background:

Accurate indoor person localization is crucial for applications like assisted living and robotics.
Existing systems often rely on wearable tags or complex infrastructure, limiting practicality.

Purpose of the Study:

To develop and evaluate a tagless indoor person localization system using capacitive sensing.
To assess the system's performance in terms of accuracy, precision, and recall.
To investigate noise reduction techniques for improved system robustness and energy efficiency.

Main Methods:

Implementation of a capacitive sensing array for human detection and localization.
Application and comparison of various standard localization algorithms.
Analysis of noise effects and implementation of on-sensor filters for noise reduction.

Main Results:

Achieved average localization error below 0.2 m in a 3 m × 3 m room.
Demonstrated recall and precision rates exceeding 70%.
Identified effective filtering strategies for noise reduction and energy saving.

Conclusions:

The proposed tagless capacitive sensing system offers a promising solution for accurate indoor localization.
The system's performance is robust to noise, with effective mitigation strategies identified.
This technology has significant potential for enhancing services in assisted living and other indoor environments.