Excitation-scanning hyperspectral video endoscopy: enhancing the light at the end of the tunnel.
Biomed Opt Express
; 12(1): 247-271, 2021 Jan 01.
Article
em En
| MEDLINE
| ID: mdl-33520384
ABSTRACT
Colorectal cancer is the 3rd leading cancer for incidence and mortality rates. Positive treatment outcomes have been associated with early detection; however, early stage lesions have limited contrast to surrounding mucosa. A potential technology to enhance early stagise detection is hyperspectral imaging (HSI). While HSI technologies have been previously utilized to detect colorectal cancer ex vivo or post-operation, they have been difficult to employ in real-time endoscopy scenarios. Here, we describe an LED-based multifurcated light guide and spectral light source that can provide illumination for spectral imaging at frame rates necessary for video-rate endoscopy. We also present an updated light source optical ray-tracing model that resulted in further optimization and provided a â¼10X light transmission increase compared to the initial prototype. Future work will iterate simulation and benchtop testing of the hyperspectral endoscopic system to achieve the goal of video-rate spectral endoscopy.
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Tipo de estudo:
Screening_studies
Idioma:
En
Revista:
Biomed Opt Express
Ano de publicação:
2021
Tipo de documento:
Article
País de afiliação:
Estados Unidos