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Related Concept Videos

Tangent Planes to Level Surfaces01:31

Tangent Planes to Level Surfaces

A level surface consists of all points in space where a function of three variables takes the same fixed value. If a point lies on this surface, understanding the surface’s geometry there requires more than just knowing the point’s coordinates; it requires describing how the surface is oriented, or how it tilts, near that point.To probe this local geometry, imagine tracing a path that stays entirely on the level surface and passes through the point of interest. This path can be described as a...

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Related Experiment Video

Updated: Jun 28, 2026

Quantitative Analysis of Cell Edge Dynamics during Cell Spreading
10:54

Quantitative Analysis of Cell Edge Dynamics during Cell Spreading

Published on: May 22, 2021

Cell spreading analysis with directed edge profile-guided level set active contours.

I Ersoy1, F Bunyak, K Palaniappan

  • 1Department of Computer Science, University of Missouri-Columbia, Columbia MO 65211, USA.

Medical Image Computing and Computer-Assisted Intervention : MICCAI ... International Conference on Medical Image Computing and Computer-Assisted Intervention
|November 5, 2008
PubMed
Summary
This summary is machine-generated.

This study introduces a novel method for accurately measuring cell spreading dynamics using phase contrast microscopy. The technique enhances cell boundary detection, crucial for analyzing subtle cellular changes in mechanosensitivity studies.

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Last Updated: Jun 28, 2026

Quantitative Analysis of Cell Edge Dynamics during Cell Spreading
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Measuring Cell-Edge Protrusion Dynamics during Spreading using Live-Cell Microscopy
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Published on: November 1, 2021

Studying Cell Rolling Trajectories on Asymmetric Receptor Patterns
04:24

Studying Cell Rolling Trajectories on Asymmetric Receptor Patterns

Published on: February 13, 2011

Area of Science:

  • Cell Biology
  • Biophysics
  • Microscopy Image Analysis

Background:

  • Cell adhesion and spreading are vital for cell motility, growth, and tissue organization.
  • Measuring cell spreading dynamics is key to understanding cell mechanosensitivity to stimuli like substrate rigidity.
  • Accurate quantification of cell parameters across large cell populations is necessary for detecting subtle treatment effects.

Purpose of the Study:

  • To develop an improved method for accurate cell boundary segmentation in phase contrast microscopy.
  • To enhance the analysis of cell spreading dynamics and mechanosensitivity.
  • To enable robust statistical analysis of subtle cellular differences.

Main Methods:

  • A modified geodesic active contour level set method was developed.
  • The method directly utilizes the halo effect observed in phase contrast microscopy.
  • Contour evolution is guided by perpendicular edge profiles for accurate boundary convergence.

Main Results:

  • The approach accurately estimates cell boundaries, even for complex cell shapes.
  • Segmentation accuracy was validated against manual ground truth on bovine aortic endothelial cells.
  • The method demonstrated reliable performance across a wide range of cell sizes and shapes.

Conclusions:

  • The proposed method offers a significant improvement for cell boundary segmentation in microscopy.
  • Accurate cell parameter measurements facilitate deeper insights into cell mechanosensitivity and behavior.
  • This technique supports more reliable statistical analysis in cell biology research.