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Related Experiment Video

Updated: Sep 19, 2025

Hyperspectral Imaging as a Tool to Study Optical Anisotropy in Lanthanide-Based Molecular Single Crystals
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LED-based, real-time, hyperspectral imaging device.

Naeeme Modir1,2, Maysam Shahedi1, James Dormer1

  • 1University of Texas at Dallas, Department of Bioengineering, Richardson, Texas, United States.

Journal of Medical Imaging (Bellingham, Wash.)
|June 16, 2025
PubMed
Summary
This summary is machine-generated.

This study shows that LED arrays can be used for hyperspectral imaging (HSI). The developed prototype demonstrates the feasibility of LED-based HSI for various applications.

Keywords:
FPGALED arrayendoscopegastrointestinal cancerhyperspectral imagingmultispectral imaging

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Area of Science:

  • Optics and Photonics
  • Biomedical Imaging
  • Spectroscopy

Background:

  • Hyperspectral imaging (HSI) traditionally relies on complex and expensive camera systems.
  • There is a growing need for portable and cost-effective HSI solutions for in situ applications.

Purpose of the Study:

  • To design, develop, and test a real-time, LED-based hyperspectral imaging prototype.
  • To demonstrate the feasibility of using a multiwavelength LED array for HSI.

Main Methods:

  • A prototype HSI system was constructed using an 18-wavelength LED array (405-910 nm) and a monochrome camera.
  • The system's performance was evaluated using ex vivo normal and cancerous tissues.
  • Imaging conditions and their impact on HSI quality were investigated.

Main Results:

  • The LED-based HSI prototype successfully acquired hyperspectral signatures from various targets.
  • The acquired spectral data were comparable to those obtained from a reference hyperspectral camera system.
  • The feasibility of LED arrays for high-speed, high-quality HSI was confirmed.

Conclusions:

  • Spectral LED arrays are a viable illumination source for hyperspectral imaging.
  • This technology enables the development of compact HSI devices for endoscopic, laparoscopic, and handheld applications.