Optimal illumination spectrum for endoscope

Color differences are determined by illumination, the spectral reflectance of objects, and the spectral sensitivity of the imaging sensor. In this paper, we explore the optimal illumination conditions that best separate one object from another. Given two objects with distinct spectra, we derive the...

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Main Authors: Moon-Hyun Lee, Dong-Kyun Seo, Byung-Kuk Seo, Jong-Il Park
Format: Conference Proceeding
Language:English
Subjects:
Cameras
Endoscopes
Image color analysis
Light emitting diodes
Lighting
Skin
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Dong-Kyun Seo
Byung-Kuk Seo
Jong-Il Park
description Color differences are determined by illumination, the spectral reflectance of objects, and the spectral sensitivity of the imaging sensor. In this paper, we explore the optimal illumination conditions that best separate one object from another. Given two objects with distinct spectra, we derive the optimal illumination spectrum to maximize their color distance with a plain RGB camera. In practice, it is crucial to compose the most appropriate illuminations using available lighting sources since creating arbitrary illumination spectrum is unrealistic. Therefore, we derive the optimal linear combination of the provided illumination sources. Finally, we verify the effectiveness of the methods through experiments.
doi_str_mv 10.1109/FCV.2011.5739744
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subjects Cameras
Endoscopes
Image color analysis
Light emitting diodes
Lighting
Skin
title Optimal illumination spectrum for endoscope
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