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24 April 2024 Reflective optical imaging for scattering medium using chaotic laser
Han Lu Feng, Ling Zhen Yang, Jia Li, Zhi Chao Shao, Yi Song Li, Juan Fen Wang, Gang Ti
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Journal of Biomedical Optics, Vol. 29, Issue 4, 046008 (April 2024). https://doi.org/10.1117/1.JBO.29.4.046008
Abstract

Significance

Optical imaging is a non-invasive imaging technology that utilizes near-infrared light, allows for the image reconstruction of optical properties like diffuse and absorption coefficients within the tissue. A recent trend is to use signal processing techniques or new light sources and expanding its application.

Aim

We aim to develop the reflective optical imaging using the chaotic correlation technology with chaotic laser and optimize the quality and spatial resolution of reflective optical imaging.

Approach

Scattering medium was measured using reflective configuration in different inhomogeneous regions to evaluate the performance of the imaging system. The accuracy of the recovered optical properties was investigated. The reconstruction errors of absorption coefficients and geometric centers were analyzed, and the feature metrics of the reconstructed images were evaluated.

Results

We showed how chaotic correlation technology can be utilized for information extraction and image reconstruction. This means that a higher signal-to-noise ratio and image reconstruction of inhomogeneous phantoms under different scenarios successfully were achieved.

Conclusions

This work highlights that the peak values of correlation of chaotic exhibit smaller reconstruction error and better reconstruction performance in optical imaging compared with reflective optical imaging with the continuous wave laser.
CC BY: © The Authors. Published by SPIE under a Creative Commons Attribution 4.0 International License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.
Citation Download Citation
Han Lu Feng, Ling Zhen Yang, Jia Li, Zhi Chao Shao, Yi Song Li, Juan Fen Wang, and Gang Ti "Reflective optical imaging for scattering medium using chaotic laser," Journal of Biomedical Optics 29(4), 046008 (24 April 2024). https://doi.org/10.1117/1.JBO.29.4.046008
Received: 24 November 2023; Accepted: 1 March 2024; Published: 24 April 2024
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KEYWORDS
Inhomogeneities
Signal detection
Image restoration
Laser scattering
Optical imaging
Reflection
Absorption
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