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基于光声信号强度测量的非接触式异物成像技术的开发。

Development of non-contact foreign body imaging base on photoacoustic signal intensity measurement.

机构信息

Department of Physics, Universitas Kristen Satya Wacana, Salatiga, Indonesia.

Department of Applied Physics, Tunghai University, Taichung, Taiwan R.O.C.

出版信息

J Appl Clin Med Phys. 2024 May;25(5):e14230. doi: 10.1002/acm2.14230. Epub 2023 Nov 28.

DOI:10.1002/acm2.14230
PMID:38014732
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11087178/
Abstract

BACKGROUND: It is challenging to visually identify tiny and concealed foreign objects within the body due to their small size and subcutaneous location while they can cause infections. METHODS: A non-contact photoacoustic system based on Rosencwaig-Gersho photoacoustic theory and dual modulator method is developed for detecting foreign objects in meat. RESULT: The experiments conducted validate the successful development of this measurement technique with 10 μm spatial resolution and its corresponding mathematical model, demonstrating an 11% Mean Absolute Percentage Error (MAPE) in comparison to the experimental results. Dual modulator successfully regulates laser energy at MPE limit. CONCLUSION: The utilization of non-contact photoacoustic signal intensity measurements enables the identification of foreign objects within the body. Further, the application of mathematical modelling can validate the measurement outcomes. These findings serve as a foundation for creating an affordable and straightforward foreign body detector.

摘要

背景：由于这些微小的异物体积小且位于皮下，因此难以通过视觉识别，同时它们还可能引发感染。

方法：我们开发了一种基于 Rosencwaig-Gersho 光声理论和双调制器方法的非接触式光声系统，用于检测肉类中的异物。

结果：实验验证了该测量技术的成功开发，其空间分辨率为 10 μm，对应的数学模型与实验结果相比，平均绝对百分比误差（MAPE）为 11%。双调制器成功地将激光能量调节到 MPE 极限。

结论：非接触式光声信号强度测量可用于识别体内的异物。此外，数学建模的应用可以验证测量结果。这些发现为制造一种经济实惠且简单易用的异物探测器奠定了基础。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8dfb/11087178/9f65c5776504/ACM2-25-e14230-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8dfb/11087178/71701d073d59/ACM2-25-e14230-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8dfb/11087178/f4658a7296be/ACM2-25-e14230-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8dfb/11087178/2116b778ef5d/ACM2-25-e14230-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8dfb/11087178/8ff75de96d9f/ACM2-25-e14230-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8dfb/11087178/85a9ca48683d/ACM2-25-e14230-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8dfb/11087178/474924e7ab66/ACM2-25-e14230-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8dfb/11087178/25d81b791c57/ACM2-25-e14230-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8dfb/11087178/9f65c5776504/ACM2-25-e14230-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8dfb/11087178/71701d073d59/ACM2-25-e14230-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8dfb/11087178/f4658a7296be/ACM2-25-e14230-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8dfb/11087178/2116b778ef5d/ACM2-25-e14230-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8dfb/11087178/8ff75de96d9f/ACM2-25-e14230-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8dfb/11087178/85a9ca48683d/ACM2-25-e14230-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8dfb/11087178/474924e7ab66/ACM2-25-e14230-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8dfb/11087178/25d81b791c57/ACM2-25-e14230-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8dfb/11087178/9f65c5776504/ACM2-25-e14230-g008.jpg

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Development of non-contact foreign body imaging base on photoacoustic signal intensity measurement.

J Appl Clin Med Phys. 2024-5

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本文引用的文献

[1]
Broadband Air-Coupled Ultrasound Emitter and Receiver Enable Simultaneous Measurement of Thickness and Speed of Sound in Solids.

Sensors (Basel). 2023-1-26

[2]
Analyzing Overlaid Foreign Objects in Chest X-rays-Clinical Significance and Artificial Intelligence Tools.

Healthcare (Basel). 2023-1-19

[3]
Review of Photothermal Technique for Thermal Measurement of Micro-/Nanomaterials.

Nanomaterials (Basel). 2022-5-31

[4]
Improving needle visibility in LED-based photoacoustic imaging using deep learning with semi-synthetic datasets.

Photoacoustics. 2022-4-7

[5]
Advanced Ultrasound and Photoacoustic Imaging in Cardiology.

Sensors (Basel). 2021-11-28

[6]
Photoacoustic imaging as a highly efficient and precise imaging strategy for the evaluation of brain diseases.

Quant Imaging Med Surg. 2021-5

[7]
Foreign Bodies in the Skin: Evaluation and Management.

Am Fam Physician. 2020-6-15

[8]
World Federation for Ultrasound in Medicine and Biology Position Statement: How to Perform a Safe Ultrasound Examination and Clean Equipment in the Context of COVID-19.

Ultrasound Med Biol. 2020-7

[9]
Review of cost reduction methods in photoacoustic computed tomography.

Photoacoustics. 2019-7-26

[10]
Air-Coupled and Resonant Pulse-Echo Ultrasonic Technique.

Sensors (Basel). 2019-5-14

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