Tumor Semantic Segmentation in Hyperspectral Images using Deep LearningDownload PDF

16 Apr 2019 (modified: 05 May 2023)MIDL Abstract 2019Readers: Everyone
Keywords: Tumor Segmentation, Hyperspectral imaging, Deep Learning
TL;DR: Improved tumor semantic segmentation in hyperspectral images using U-Net variant, channel selection and both VIS and NIR spectra.
Abstract: Real-time feedback based on hyperspectral images (HSI) to a surgeon can lead to a higher precision and additional insights compared to the standard techniques. To the best of our knowledge, deep learning with semantic segmentation utilizing both visual (VIS) and infrared channels (NIR) has never been exploited with the HSI data with human tumors. We propose using channels selection with U-Net deep neural network for tumor segmentation in hyperspectral images. The proposed method, based on bigger patches, accounts for bigger spatial context and achieves better results (average dice coefficient $0.89 \pm 0.07$ and area under the ROC-curve AUC $0.93 \pm 0.04$) than pixel-level spectral and structural approaches in a clinical data set with tongue squamous cell carcinoma. The importance of VIS channel for the performance is higher, but NIR contribution is non-negligible.
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