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Automation of flow analysis in scleral vessels based on descriptive-associative algorithms.
Bekzhan Kerimkhan1, Alexander Nedzved2, Ainur Zhumadillayeva3
1Faculty of Information Technologies, L.N. Gumilyov Eurasian National University, Astana, 010000, Kazakhstan.
Scientific Reports
|March 22, 2023
Summary
This study introduces a novel method for analyzing eye blood flow dynamics using integral optical flow. The technique enhances diagnosis by assessing blood speed and vascular topology in conjunctiva vessels.
Area of Science:
- Ophthalmology
- Biomedical Engineering
- Medical Imaging Analysis
Background:
- Blood flow is a critical indicator of ocular health, with disruptions linked to various eye diseases.
- Assessing microcirculation in ocular vessels is challenging due to complex imaging and analysis requirements.
- Current methods for measuring blood flow in the eye have limitations regarding assumptions, equipment, and computational demands.
Purpose of the Study:
- To develop and validate a novel method for quantifying blood flow characteristics in conjunctiva vessels.
- To assess linear and volumetric blood speed, alongside topological features of the vascular network.
- To provide a tool for detecting changes in ocular blood flow relevant to disease diagnosis.
Main Methods:
- Video preprocessing to enhance image quality for analysis.
- Application of integral optical flow to determine dynamic flow characteristics.
- Analysis of conjunctiva vessel microcirculation in naturalistic eye scenes.
Main Results:
- The proposed method effectively determines key blood flow parameters, including speed and vascular topology.
- Demonstrated efficiency in analyzing blood flow within natural eye vessel imagery.
- The technique provides quantifiable metrics for assessing ocular hemodynamics.
Conclusions:
- The developed method offers a robust approach to analyzing ocular blood flow dynamics.
- It simplifies the assessment of microcirculation, aiding both novice and experienced clinicians.
- This technique can serve as a valuable diagnostic aid for various eye conditions.

