CW detection of weakly scattered light for transillumination imaging of thick body part

Kazuto Takagi; Hiroyuki Kakinuma; Yuji Kato; Koichi Shimizu

doi:10.1109/ICBBE.2009.5162568

CW detection of weakly scattered light for transillumination imaging of thick body part

Kazuto Takagi, Hiroyuki Kakinuma, Yuji Kato, Koichi Shimizu

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Transmitted light through a diffuse scattering medium includes strongly diffused light (SDL) and weakly scattered light (WSL). To realize clear transillumination imaging through thick body tissue, which is typically more than 10 mm, we developed a technique to extract the WSL component from diffused light. A diffuser is placed on the incident surface of a scattering medium. We can extract the WSL component by subtracting the light intensity at the output surface with a diffuser from that without a diffuser. In CW measurements using a 15-mm-thick scattering medium (reduced scattering coefficient μs' = 1.0/mm), the spatial intensity distribution of the scattered light at the output surface was confined to an approximately 50% area by the proposed technique. It was confirmed in a time-resolved measurement that the earlier time component with a smaller temporal spread was extracted by the proposed technique.

Original language	English
Title of host publication	3rd International Conference on Bioinformatics and Biomedical Engineering, iCBBE 2009
DOIs	https://doi.org/10.1109/ICBBE.2009.5162568
Publication status	Published - 2009 Dec 31
Externally published	Yes
Event	3rd International Conference on Bioinformatics and Biomedical Engineering, iCBBE 2009 - Beijing, China Duration: 2009 Jun 11 → 2009 Jun 13

Publication series

Name	3rd International Conference on Bioinformatics and Biomedical Engineering, iCBBE 2009

Other

Other	3rd International Conference on Bioinformatics and Biomedical Engineering, iCBBE 2009
Country	China
City	Beijing
Period	09/6/11 → 09/6/13

Keywords

Biological imaging
Light scattering
Scattering suppression
Transillumination imaging
Weakly scattered light

ASJC Scopus subject areas

Biotechnology
Biomedical Engineering

Access to Document

10.1109/ICBBE.2009.5162568

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Takagi, K., Kakinuma, H., Kato, Y., & Shimizu, K. (2009). CW detection of weakly scattered light for transillumination imaging of thick body part. In 3rd International Conference on Bioinformatics and Biomedical Engineering, iCBBE 2009 [5162568] (3rd International Conference on Bioinformatics and Biomedical Engineering, iCBBE 2009). https://doi.org/10.1109/ICBBE.2009.5162568

CW detection of weakly scattered light for transillumination imaging of thick body part. / Takagi, Kazuto; Kakinuma, Hiroyuki; Kato, Yuji; Shimizu, Koichi.

3rd International Conference on Bioinformatics and Biomedical Engineering, iCBBE 2009. 2009. 5162568 (3rd International Conference on Bioinformatics and Biomedical Engineering, iCBBE 2009).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Takagi, K, Kakinuma, H, Kato, Y & Shimizu, K 2009, CW detection of weakly scattered light for transillumination imaging of thick body part. in 3rd International Conference on Bioinformatics and Biomedical Engineering, iCBBE 2009., 5162568, 3rd International Conference on Bioinformatics and Biomedical Engineering, iCBBE 2009, 3rd International Conference on Bioinformatics and Biomedical Engineering, iCBBE 2009, Beijing, China, 09/6/11. https://doi.org/10.1109/ICBBE.2009.5162568

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title = "CW detection of weakly scattered light for transillumination imaging of thick body part",

abstract = "Transmitted light through a diffuse scattering medium includes strongly diffused light (SDL) and weakly scattered light (WSL). To realize clear transillumination imaging through thick body tissue, which is typically more than 10 mm, we developed a technique to extract the WSL component from diffused light. A diffuser is placed on the incident surface of a scattering medium. We can extract the WSL component by subtracting the light intensity at the output surface with a diffuser from that without a diffuser. In CW measurements using a 15-mm-thick scattering medium (reduced scattering coefficient μs' = 1.0/mm), the spatial intensity distribution of the scattered light at the output surface was confined to an approximately 50% area by the proposed technique. It was confirmed in a time-resolved measurement that the earlier time component with a smaller temporal spread was extracted by the proposed technique.",

keywords = "Biological imaging, Light scattering, Scattering suppression, Transillumination imaging, Weakly scattered light",

author = "Kazuto Takagi and Hiroyuki Kakinuma and Yuji Kato and Koichi Shimizu",

year = "2009",

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doi = "10.1109/ICBBE.2009.5162568",

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AU - Takagi, Kazuto

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N2 - Transmitted light through a diffuse scattering medium includes strongly diffused light (SDL) and weakly scattered light (WSL). To realize clear transillumination imaging through thick body tissue, which is typically more than 10 mm, we developed a technique to extract the WSL component from diffused light. A diffuser is placed on the incident surface of a scattering medium. We can extract the WSL component by subtracting the light intensity at the output surface with a diffuser from that without a diffuser. In CW measurements using a 15-mm-thick scattering medium (reduced scattering coefficient μs' = 1.0/mm), the spatial intensity distribution of the scattered light at the output surface was confined to an approximately 50% area by the proposed technique. It was confirmed in a time-resolved measurement that the earlier time component with a smaller temporal spread was extracted by the proposed technique.

AB - Transmitted light through a diffuse scattering medium includes strongly diffused light (SDL) and weakly scattered light (WSL). To realize clear transillumination imaging through thick body tissue, which is typically more than 10 mm, we developed a technique to extract the WSL component from diffused light. A diffuser is placed on the incident surface of a scattering medium. We can extract the WSL component by subtracting the light intensity at the output surface with a diffuser from that without a diffuser. In CW measurements using a 15-mm-thick scattering medium (reduced scattering coefficient μs' = 1.0/mm), the spatial intensity distribution of the scattered light at the output surface was confined to an approximately 50% area by the proposed technique. It was confirmed in a time-resolved measurement that the earlier time component with a smaller temporal spread was extracted by the proposed technique.

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KW - Scattering suppression

KW - Transillumination imaging

KW - Weakly scattered light

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