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Carolina Del-Valle-Soto

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Open access Aug 2026

Hierarchical Multimodal Sleep Staging with Optimized EEG, EOG, and PPG Features for Wearable Applications

Automatic sleep staging is fundamental for diagnosing sleep disorders and enabling long-term sleep monitoring with wearable devices. Although Deep Learning has significantly improved classification performance, balancing accuracy with computational efficiency remains challenging, particularly for resource-constrained s...

R. de Fazio, Matteo Paiano, R. Velázquez et al. · Applied Sciences · 0 citations

Open access Aug 2026

Autonomous Solar-Powered Smart Sensing Node: Integrating TinyML and Hybrid LoRaWAN/Wi-Fi Connectivity for Sustainable Precision Agriculture

A solar-powered smart sensing node designed for autonomous operation that integrates TinyML and dual-mode wireless connectivity via LoRaWAN and Wi-Fi for intelligent monitoring and dual-mode wireless connectivity via LoRaWAN and Wi-Fi for intelligent monitoring is presented.

E. Ospina-Rojas, J. Botero-Valencia, Juan Guillermo Muñoz-Cataño et al. · Applied System Innovation · 0 citations

Open access 2026

A Multi-Camera Temporal Fusion for False Alarm Suppression in Edge-Based Weapon Surveillance

Real-time weapon detection is a critical component of intelligent surveillance systems, particularly for perimeter monitoring applications on embedded edge platforms. However, reliable alarm generation remains challenging because false positives, temporal instability, and viewpoint inconsistencies can propagate through...

Carlos Julio Fierro-Silva, Carolina Del-Valle-Soto, S. M. Mostafa et al. · IEEE Access · 0 citations

#small language model Open access Sep 2026

HIEF: An Interpretable Evidence-Fusion Framework for Phishing Email Detection with Decomposable Decision Uncertainty and a Preliminary English–Spanish Evaluation

(1) Background: Phishing remains a pervasive and economically damaging cyberthreat. The dominant detection paradigm has moved toward deep neural and transformer-based classifiers, a literature that reports high accuracy and that does not, in general, expose a per-decision justification, whereas interpretability and aud...

Carolina Del-Valle-Soto, Carlos-Santiago Cruz-Diaz, M. Cardona et al. · Algorithms · 0 citations

Conference Jul 2026

Analysis of YOLOv26 Variants (Nano to Extra-Large) for Real-Time Weapon Detection in Video Surveillance

Real-time weapon detection in video surveillance systems is a critical requirement for proactive security applications, particularly under the computational and latency constraints imposed by edge artificial intelligence deployments. While the YOLO family of object detectors has undergone continuous architectural evolu...

Carlos Silva, Carolina Del-Valle-Soto, J. Varela-Aldás · 2026 6th International Confe... · 0 citations