Author

Abel A. Reyes-Angulo

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Preprint Sep 2026

U-PEN Mamba: Progressive Expansion with Selective State-Space Modeling for Efficient Retinal Vessel Segmentation

Accurate retinal vessel segmentation is important for computer-aided ophthalmic analysis, yet thin vessels, low contrast, and severe foreground-background imbalance remain challenging for encoder-decoder networks. This paper presents U-PEN Mamba, a U-shaped retinal vessel segmentation architecture that couples progress...

Abel A. Reyes-Angulo, Sidike Paheding, V. Asari et al. · 0 citations

Preprint Sep 2026

Global-Local Contextual Progressive Expansion Network for Martian Landslide Segmentation in Multimodal Remote Sensing Imagery

Automated landslide segmentation on Mars is one of the important tasks for understanding its surface processes, and all will aid in future space exploration. However, it remains a relatively underexplored open challenge because landslide morphology is highly variable, foreground regions are often sparse or irregular, a...

L. T. Ramos, Sidike Paheding, Abel A. Reyes-Angulo et al. · 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