手術時視覚支援を目的とした赤外域スペクトル間演算の最適化

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  • Optimization of Infrared Spectral Manipulation for Surgical Visual Aid

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During a surgical procedure, blood covering the surgical field hinders the surgeon's visual inspection. We propose a novel application of hyperspectral imagery in the biomedical field. We conceived a method to exploit the capabilities of hyperspectral imaging systems in order to provide clearer images of areas covered by blood to the surgeon. We developed a neural network approach to generate a nonlinear combination of spectral reflectance bands in the near infrared region revealing images that could not be seeing in unprocessed images. The experimental results are compared with conventional image processing techniques. We present in vitro experimentsusing human blood and in situ experiments using guinea pigs to attest the validity of the proposed method.

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