Projection Mapping System for Laser Speckle Contrast Image: Feasibility Study for Clinical Application

Overview

Journal J Biomed Opt

Specialties Biomedical Engineering
Ophthalmology

Date 2023 Sep 6

PMID 37671114

Authors

Subin Park

Insun Yeum

Donghwan Ko

Byungjo Jung

Affiliations

Soon will be listed here.

Abstract

Significance: Laser speckle contrast images (LSCIs) have been utilized to monitor blood flow perfusion. However, they have conventionally been observed on monitor screens, resulting in potential spatial mismatching between the imaging region of interest (IROI) and monitor screen.

Aim: This study proposes a projection mapping (PM) system for LSCIs (PMS_LSCI) that projects LSCIs to directly observe the blood flow perfusion in the IROI.

Approach: The PMS_LSCI consists of a camera, imaging optics, a laser projector, and graphic user interface software. The spatial matching in the regions of interest was performed by adjusting the software screen of the LSCI in the IROI and evaluated by conducting and studies. An additional study was performed to investigate the feasibility of real-time PM of the LSCI.

Results: The spatial mismatching in the regions of interest was ranged from 2.74% to 6.47% depending on the surface curvature. The PMS_LSCI could enable real-time PM of LSCI at four different blood flow states depending on blood pressure.

Conclusions: The PMS_LSCI projects the LSCI in the IROI by interacting with a projector instead of the monitor screen. The PMS_LSCI presented clinical feasibility in the and studies.

Citing Articles

Dual-mode optical projection mapping system: integration of laser speckle contrast and subcutaneous vein imaging.

Yeum I, Ko D, Lee G, Seok H, Jung B Biomed Eng Lett. 2024; 14(5):1125-1135.

PMID: 39220033 PMC: 11362447. DOI: 10.1007/s13534-024-00400-4.

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