Segmenting the Complex and Irregular in Two-Phase Flows: A Real-World Empirical Study with SAM2
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arXiv
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| Format: | Preprint |
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2025
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| author | Küçük, Semanur Della Santina, Cosimo Laskari, Angeliki |
| author_facet | Küçük, Semanur Della Santina, Cosimo Laskari, Angeliki |
| contents | Segmenting gas bubbles in multiphase flows is a critical yet unsolved challenge in numerous industrial settings, from metallurgical processing to maritime drag reduction. Traditional approaches-and most recent learning-based methods-assume near-spherical shapes, limiting their effectiveness in regimes where bubbles undergo deformation, coalescence, or breakup. This complexity is particularly evident in air lubrication systems, where coalesced bubbles form amorphous and topologically diverse patches. In this work, we revisit the problem through the lens of modern vision foundation models. We cast the task as a transfer learning problem and demonstrate, for the first time, that a fine-tuned Segment Anything Model SAM v2.1 can accurately segment highly non-convex, irregular bubble structures using as few as 100 annotated images. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2508_05227 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Segmenting the Complex and Irregular in Two-Phase Flows: A Real-World Empirical Study with SAM2 Küçük, Semanur Della Santina, Cosimo Laskari, Angeliki Computer Vision and Pattern Recognition 68T45, 94A08 I.2.10 Segmenting gas bubbles in multiphase flows is a critical yet unsolved challenge in numerous industrial settings, from metallurgical processing to maritime drag reduction. Traditional approaches-and most recent learning-based methods-assume near-spherical shapes, limiting their effectiveness in regimes where bubbles undergo deformation, coalescence, or breakup. This complexity is particularly evident in air lubrication systems, where coalesced bubbles form amorphous and topologically diverse patches. In this work, we revisit the problem through the lens of modern vision foundation models. We cast the task as a transfer learning problem and demonstrate, for the first time, that a fine-tuned Segment Anything Model SAM v2.1 can accurately segment highly non-convex, irregular bubble structures using as few as 100 annotated images. |
| title | Segmenting the Complex and Irregular in Two-Phase Flows: A Real-World Empirical Study with SAM2 |
| topic | Computer Vision and Pattern Recognition 68T45, 94A08 I.2.10 |
| url | https://arxiv.org/abs/2508.05227 |