Investigation on the influence of the skin tone on hyperspectral imaging for free flap surgery
Ester Pachyn,
Maximilian Aumiller,
Christian Freymüller
et al.
Abstract:Hyperspectral imaging (HSI) is a new emerging modality useful for the noncontact assessment of free flap perfusion. This measurement technique relies on the optical properties within the tissue. Since the optical properties of hemoglobin (Hb) and melanin overlap, the results of the perfusion assessment and other tissue-specific parameters are likely to be distorted by the melanin, especially at higher melanin concentrations. Many spectroscopic devices have been shown to struggle with a melanin related bias, wh… Show more
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