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Related Experiment Video

Updated: Aug 9, 2025

High-resolution Fiber-optic Microendoscopy for in situ Cellular Imaging

High-resolution Fiber-optic Microendoscopy for in situ Cellular Imaging

Published on: January 11, 2011

LED-based Hyperspectral Endoscopic Imaging.

Naeeme Modir¹, Maysam Shahedi¹, James Dormer¹

¹Center for Imaging and Surgical Innovation, Department of Bioengineering, University of Texas at Dallas, Richardson, TX.

Proceedings of Spie--The International Society for Optical Engineering

|February 16, 2023

Summary

This summary is machine-generated.

A new hyperspectral endoscopic imaging system uses a micro-LED array for real-time gastrointestinal cancer diagnosis. This innovative device shows promise for enhanced cancer detection and surgical guidance.

Keywords:

FPGA Hyperspectral imaging cancer endoscopy handheld device laparoscope micro-LED surgery

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Area of Science:

Biomedical Engineering
Medical Imaging
Optical Spectroscopy

Background:

Conventional endoscopy has limitations in diagnosing gastrointestinal (GI) tract cancers.
Hyperspectral imaging offers enhanced diagnostic capabilities by capturing spectral information beyond human vision.

Purpose of the Study:

To design and develop a real-time hyperspectral endoscopic imaging system for GI cancer diagnosis.
To utilize a micro-LED array as an in-situ illumination source for broad spectral range (UV to NIR).

Main Methods:

Development of a prototype hyperspectral endoscopic imaging system with a micro-LED array.
Ex vivo experimentation using normal and cancerous tissues from mice, chicken, and sheep.
Comparison of the LED-based system's performance against a reference hyperspectral camera system.

Main Results:

The developed LED-based hyperspectral imaging system demonstrated results comparable to a reference hyperspectral camera.
Successful ex vivo validation of the system's capability in differentiating tissue types.

Conclusions:

The micro-LED array-based hyperspectral endoscopic imaging system is a viable tool for real-time GI cancer diagnosis.
The system's versatility allows for applications in endoscopy, laparoscopy, and handheld devices for cancer detection and surgery.