The international journal of medical robotics + computer assisted surgery : MRCAS · 2020
Classification of hyperspectral endocrine tissue images using support vector machines.
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Maktabi Marianne, Köhler Hannes, Ivanova Magarita, Neumuth Thomas, Rayes Nada, Seidemann Lena, Sucher Robert, Jansen-Winkeln Boris, Gockel Ines, Barberio Manuel, Chalopin Claire
Аннотация
BACKGROUND: Thyroidectomy is one of the most commonly performed surgical procedures. The region of the neck has a very complex structural organization. It would be beneficial to introduce a tool that can assist the surgeon in tissue discrimination during the procedure. One such solution is the noninvasive and contactless technique, called hyperspectral imaging (HSI).
METHODS: To interpret the HSI data, we implemented a supervised classification method to automatically discriminate the parathyroid, the thyroid, and the recurrent laryngeal nerve from surrounding tissue(muscle, skin) and materials (instruments, gauze). A leave-one-patient-out cross-validation was performed.
RESULTS: The best performance was obtained using support vector machine (SVM) with a classification and visualization in less than 1.4 seconds. A mean patient accuracy of 68% ± 23% was obtained for all tissues and material types.
CONCLUSIONS: The proposed method showed promising results and have to be confirmed on a larger cohort of patient data.
METHODS: To interpret the HSI data, we implemented a supervised classification method to automatically discriminate the parathyroid, the thyroid, and the recurrent laryngeal nerve from surrounding tissue(muscle, skin) and materials (instruments, gauze). A leave-one-patient-out cross-validation was performed.
RESULTS: The best performance was obtained using support vector machine (SVM) with a classification and visualization in less than 1.4 seconds. A mean patient accuracy of 68% ± 23% was obtained for all tissues and material types.
CONCLUSIONS: The proposed method showed promising results and have to be confirmed on a larger cohort of patient data.