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Vessel contrast enhancement in hyperspectral images

Bjorgan, Asgeir; Denstedt, Martin Anders Fredrik; Milanic, Matija; Paluchowski, Lukasz A.; Randeberg, Lise Lyngsnes
Journal article, Peer reviewed
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URI
http://hdl.handle.net/11250/283271
Date
2015
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  • Institutt for elektroniske systemer [2223]
  • Publikasjoner fra CRIStin - NTNU [35017]
Original version
doi:10.1117/12.2075703
Abstract
Imaging of vessel structures can be useful for investigation of endothelial function, angiogenesis and hyper-vascularization. This can be challenging for hyperspectral tissue imaging due to photon scattering and absorption in other parts of the tissue. Real-time processing techniques for enhancement of vessel contrast in hyperspectral tissue images were investigated. Wavelet processing and an inverse diffusion model were employed, and compared to band ratio metrics and statistical methods. A multiscale vesselness filter was applied for further enhancement. The results show that vessel structures in hyperspectral images can be enhanced and characterized using a combination of statistical, numerical and more physics informed models.
Description
Postprint
Publisher
SPIE Proceedings
Journal
Proceedings of SPIE, the International Society for Optical Engineering

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