2017
DOI: 10.1002/jbio.201700078
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Detection and delineation of squamous neoplasia with hyperspectral imaging in a mouse model of tongue carcinogenesis

Abstract: Hyperspectral imaging (HSI) holds the potential for the noninvasive detection of cancers. Oral cancers are often diagnosed at a late stage when treatment is less effective and the mortality and morbidity rates are high. Early detection of oral cancer is, therefore, crucial in order to improve the clinical outcomes. To investigate the potential of HSI as a noninvasive diagnostic tool, an animal study was designed to acquire hyperspectral images of in vivo and ex vivo mouse tongues from a chemically induced tong… Show more

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Cited by 32 publications
(28 citation statements)
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“…By increasing the block size to 10×10 pixels, we reach a higher sensitivity and (E5-1650v4, 3.60 GHz), versus 6 hours and 1 minute (≈ 900.000 data samples) when the 6×6-pixel block-based processing is adopted. Lastly, Lu et al 7 apply the block-based approach for squamous displasia detection on 34 mice, reaching an AUC of 86%, sensitivity of 79%, and specificity of 79%, which are outperformed by our system on human data when employing linear SVM.…”
Section: Resultsmentioning
confidence: 76%
See 1 more Smart Citation
“…By increasing the block size to 10×10 pixels, we reach a higher sensitivity and (E5-1650v4, 3.60 GHz), versus 6 hours and 1 minute (≈ 900.000 data samples) when the 6×6-pixel block-based processing is adopted. Lastly, Lu et al 7 apply the block-based approach for squamous displasia detection on 34 mice, reaching an AUC of 86%, sensitivity of 79%, and specificity of 79%, which are outperformed by our system on human data when employing linear SVM.…”
Section: Resultsmentioning
confidence: 76%
“…The block-based approach is a powerful solution for increasing the robustness to the spectral noise, while reducing the redundancy between the neighboring pixels and decreasing the computation load. 7 For each patient, the ground truth is extracted from the corresponding annotated H&E section, outlined by an experienced pathologist, and registered with the RGB image of the specimen by selecting control points and using a non-rigid registration algorithm. Figure 2 shows an example of (a) the labeled pathology slide, (b) ground truth registered with the RGB image and (c) the segmented ground-truth mask, used for block labeling.…”
Section: Feature Extractionmentioning
confidence: 99%
“…The histological images serve as the ground truth for the experiment, as shown in Figure 2, but registration is necessary to create gold-standard masks for HSI. 1315 …”
Section: Methodsmentioning
confidence: 99%
“…7,9,11,12 The hypercube contains 91 spectral bands, ranging from 450 to 900 nm with a 5 nm spectral sampling interval.…”
Section: Methodsmentioning
confidence: 99%