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Author

Ashley Varghese

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Open access Jul 2026

Reasoning-guided Ego-path Segmentation for Autonomous Trains using Vision-language Models

This work adapts the Large Language Instructed Segmentation Assistant to railway ego-path perception and forms the task as reasoning-guided segmentation: given a forward-facing railway image and a natural-language query, the model predicts the valid ego-path mask and, when prompted, generates a textual explanation grou...

Mohammadjavad Ghorbanalivakili, Ashley Varghese, Gunho Sohn · 0 citations
Review Open access Jul 2026

The Emerging Role of Vision-Language Models in the Automation of Railway Asset Management: A Review and Future Perspective

This review paper argues that Vision-Language Models (VLMs), a paradigm whose rapid maturation is evidenced by recent comprehensive surveys offer a transformative solution for rail asset management, and provides a focused overview of the limitations of current CV systems.

Ashley Varghese, Mohammadjavad Ghorbanalivaki, Gunho Sohn · 0 citations

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