Author

Henry O. Velesaca

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#machine learning Preprint Sep 2026

SambaGraph: Action-Reaction Spatio-Temporal Graphs for Soccer Tactical Response Modeling

SambaGraph is introduced, an action--reaction spatio-temporal graph dataset and benchmark for soccer tactical response modeling that underperform supervised encoders for direct classification and do not improve over a strong original order in eight-candidate reranking, but they provide grounded tactical rationales.

Abel A. Reyes-Angulo, Henry O. Velesaca, Steven S. Araujo · 0 citations

#artificial intelligence Preprint Sep 2026

Can Vision-Language Models Judge Olympic Diving? From Reasoning to Scores in Zero-Shot Action Quality Assessment

This work evaluates the capability of open-source Vision-Language Models to perform zero-shot action quality assessment on Olympic diving videos using the AQA-7 benchmark dataset, and suggests that VLMs hold strong potential as assistive tools for explainable and semi-automated sports performance evaluation.

Henry O. Velesaca, David Freire-Obregón, Luigi Miranda et al. · 0 citations

Open access 2026

Comparative analysis of unsupervised anomaly detection techniques in industrial systems

A comparative evaluation of unsupervised anomaly detection techniques using the PyOD Python library, applied to three representative industrial scenarios: Intrusion Detection, Fault Detection, and Predictive Maintenance, offers valuable guidance for selecting robust anomaly detection models in industrial applications b...

Henry O. Velesaca, Melissa Ayllon Gutierrez, Luis Barrera Muñoz et al. · Manufacturing Review · 0 citations