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Quantifying Cytoskeleton Dynamics Using Differential Dynamic Microscopy
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Guide to dynamic OCT data analysis.

Noah Heldt1,2, Tual Monfort3, Rion Morishita4

  • 1Institute of Biomedical Optics, Universität zu Lübeck, 4 Peter-Monnik-Weg, Lübeck 23562, Germany.

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|November 26, 2025
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Summary
This summary is machine-generated.

Dynamic optical coherence tomography (DOCT) algorithms vary in performance. This study cross-compares four DOCT methods, finding each excels in specific imaging environments, aiding algorithm selection for flow dynamics and motility analysis.

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Area of Science:

  • Biomedical Imaging
  • Optical Physics

Background:

  • Dynamic optical coherence tomography (DOCT) offers insights into biological processes like flow dynamics and cell motility.
  • Current DOCT applications lack standardization due to diverse algorithm development across research groups.
  • OCT architecture parameters (wavelength, NA, implementation) influence sensitivity to biological phenomena.

Purpose of the Study:

  • To compare the performance of four widely used DOCT algorithms.
  • To evaluate algorithm suitability across different OCT technologies and imaging environments.
  • To provide guidance for selecting appropriate DOCT algorithms based on application needs.

Main Methods:

  • Cross-wise comparison of four DOCT algorithms: power spectral density moment analysis, frequency band visualization, logarithmic intensity variation evaluation, and motility-based analysis.
  • Utilized datasets acquired from diverse OCT setups: full-field OCT, microscopic OCT, swept-source OCT, and spectral domain OCT.
  • Evaluated algorithms based on their performance across varying temporal and spatial resolutions and susceptibility to motion artifacts.

Main Results:

  • Each DOCT algorithm demonstrated unique strengths in specific imaging environments.
  • Algorithm performance varied depending on the OCT technology's resolution and motion artifact susceptibility.
  • No single algorithm proved universally superior across all tested OCT setups.

Conclusions:

  • Algorithm selection for DOCT should be tailored to the specific OCT imaging system and application requirements.
  • The findings offer valuable guidance for researchers and clinicians utilizing DOCT for biological studies.
  • Standardization of DOCT algorithms could enhance reproducibility and comparability across studies.