Topology-based segmentation of 3D confocal images of emerging hematopoietic stem cells in the zebrafish embryo
2024

New Method for 3D Image Segmentation of Stem Cells in Zebrafish

publication Evidence: high

Author Information

Author(s): G. Nardi, L. Torcq, A. A. Schmidt, J.-C. Olivo-Marin

Primary Institution: Institut Pasteur, Université Paris Cité, Paris, France

Hypothesis

Can persistent homology improve the segmentation of 3D confocal images of hematopoietic stem cells?

Conclusion

The proposed method significantly enhances the segmentation and 3D reconstruction of cellular structures compared to traditional methods.

Supporting Evidence

  • The method improves shape segmentation and is more ergonomic to automate.
  • It allows for accurate reconstruction of relevant subcellular structures.
  • The approach is robust to variations in signal intensity.
  • Segmentation accuracy was quantitatively compared to standard methods.

Takeaway

This study created a new way to look at images of tiny cells in zebrafish, helping scientists see their shapes better and understand how they grow.

Methodology

The method uses persistent homology for image segmentation and a meshing algorithm for 3D reconstruction.

Limitations

The method's performance may vary with different imaging conditions and lacks ground truth for validation.

Digital Object Identifier (DOI)

10.1017/S2633903X24000102

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