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Related Experiment Video

Updated: Jan 7, 2026

Spatial Temporal Analysis of Fieldwise Flow in Microvasculature

Spatial Temporal Analysis of Fieldwise Flow in Microvasculature

Published on: November 18, 2019

Improved Detection of Capillaries in High-Resolution Handheld Vital Microscopy by Use of the MicroTools Advanced

Philippe Guerci^1,2, Can Ince^3,4, Olcay Dilken³

¹Department of Anesthesiology and Critical Care Medicine, University Hospital of Nancy, Nancy, France.

Microcirculation (New York, N.Y. : 1994)

|January 4, 2026

Summary

This summary is machine-generated.

MicroTools analysis of high-resolution incident dark field (IDF) images enhances microcirculation visualization. This method improves accuracy and vessel detection compared to standard sidestream darkfield (SDF) analysis.

Keywords:

MicroTools computer vision handheld vital microscopy hemodynamic monitoring microcirculation

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Published on: January 19, 2018

Area of Science:

Medical imaging
Microcirculation analysis
Biomedical engineering

Background:

Handheld vital microscopy (HVM) visualizes microcirculation at the bedside.
Incident dark field (IDF) imaging offers higher resolution than sidestream darkfield (SDF).
Current analysis methods down-sample IDF images, limiting their potential.

Purpose of the Study:

To assess MicroTools' accuracy and precision for analyzing full-frame, high-resolution IDF images.
To compare microcirculatory parameters derived from IDF and SDF formats.
To evaluate MicroTools' updated stabilization algorithm.

Main Methods:

Re-analyzed previous image sequences in both IDF and down-sampled SDF formats.
Compared microcirculatory parameters: total vessel density (TVD), functional capillary density, and red blood cell velocity (RBCv).
Evaluated MicroTools' new stabilization algorithm against existing methods.

Main Results:

Full-frame IDF analysis expanded field of view (FOV) by 200% and pixel density by 66%.
Enhanced capillary detection and TVD measurements were observed with IDF.
Red blood cell velocity (RBCv) values were lower with IDF images, while the stabilization algorithm performed comparably.

Conclusions:

MicroTools analysis of full-frame IDF images improves measurement accuracy and vessel detection.
Excellent agreement was found between MicroTools analysis and standard software.
The robust new stabilization algorithm supports wider clinical research adoption.