SAMCell: Generalized label-free biological cell segmentation with segment anything

Alexandra Dunnum VandeLoo, Nathan J Malta, Saahil Sanganeriya, Emilio Aponte, Caitlin van Zyl, Danfei Xu and Craig Forest

PLOS ONE, 2025, vol. 20, issue 9, 1-21

Abstract: Background: When analyzing cells in culture, assessing cell morphology (shape), confluency (density), and growth patterns are necessary for understanding cell health. These parameters are generally obtained by a skilled biologist inspecting light microscope images, but this can become very laborious for high-throughput applications. One way to speed up this process is by automating cell segmentation. Cell segmentation is the task of drawing a separate boundary around each cell in a microscope image. This task is made difficult by vague cell boundaries and the transparent nature of cells. Many techniques for automatic cell segmentation exist, but these methods often require annotated datasets, model retraining, and associated technical expertise.Results: We present SAMCell, a modified version of Meta’s Segment Anything Model (SAM) trained on an existing large-scale dataset of microscopy images containing varying cell types and confluency. Our approach works on a wide range of microscopy images, including cell types not seen in training and on images taken by a different microscope. We also present a user-friendly UI that reduces the technical expertise needed for this automated microscopy technique.Conclusions: Using SAMCell, biologists can quickly and automatically obtain cell segmentation results of higher quality than previous methods. Further, these results can be obtained through our custom Graphical User Interface, thus decreasing the human labor required in cell culturing.

Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0319532

DOI: 10.1371/journal.pone.0319532

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