A lightweight two-stage Deep Learning framework for five-class sleep staging based on optimized multimodal physiological features extracted from electroencephalogram (EEG), electrooculogram (EOG), and photoplethysmography (PPG) signals, suggesting its potential suitability for wearable and edge-based sleep-monitoring s...
R. de Fazio, Matteo Paiano, R. Velázquez et al.· Applied Sciences· 0 citations
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
A lightweight Adaptive Multi-Camera Temporal Fusion (ACTF) framework that combines confidence-aware evidence separation, temporal persistence, and short-window cross-camera validation at the decision level, thereby confirming detections without requiring additional neural-network inference is proposed.
Carlos Julio Fierro-Silva, Carolina Del-Valle-Soto, S. M. Mostafa et al.· IEEE Access· 0 citations
University technology campuses contain specialized laboratories, academic programs, and services that can be difficult for first-time visitors to identify. This paper presents INDI, a custom mobile campus guide robot that combines spoken interaction, synthesized speech, touchscreen feedback, animated facial states, hea...
J. Varela-Aldás, Christian P. Carvajal, Josue Cadena et al.· Computers· 0 citations
This work asks how far a fully interpretable detector can close the accuracy gap to an opaque text classifier while preserving per-decision explanations, and what such a detector returns that accuracy alone does not measure.
Carolina Del-Valle-Soto, Carlos-Santiago Cruz-Diaz, Manuel Cardona et al.· Algorithms· 0 citations
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
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