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Národní úložiště šedé literatury Nalezeno 3 záznamů.  Hledání trvalo 0.00 vteřin. 
Segmentation of brain tumours in MRI images using deep learning
 Ustsinau, Usevalad ; Odstrčilík, Jan (oponent) ; Chmelík, Jiří (vedoucí práce)
The following master's thesis paper equipped with a short description of CT scans and MR images and the main differences between them, explanation of the structure of convolutional neural networks and how they implemented into biomedical image analysis, besides it was taken a popular modification of U-Net and tested on two loss-functions. As far as segmentation quality plays a highly important role for doctors, in experiment part it was paid significant attention to training quality and prediction results of the model. The experiment has shown the effectiveness of the provided algorithm and performed 100 training cases with the following analysis through the similarity. The proposed outcome gives us certain ideas for future improving the quality of image segmentation via deep learning techniques.
Úplný záznam
Analysis Of The Training Quality Of Brain Tumour Segmentation In Deep Learning Through Similarity
 Ustsinau, Usevalad
Manual segmentation of brain tumours in MR images is a time-consuming process, which increases the required time for the research of tumour development and its lesion on the cognitive functions of human. Recently there were developed modern solutions for this problem by using a fully automatic segmentation algorithm. As far as segmentation quality plays a highly important role for doctors, we have to train such a model with a significant amount of care to quality. In this paper, it is provided with an analysis of the training quality using state-of-art technology - convolutional neural network U-Net and with training on manually segmented data. The experiment has shown the effectiveness of the provided model and performed 50 training cases with the following analysis through the similarity. The results were put on the similarity matrix and dendrogram. The proposed outcome gives us certain ideas for future improving the quality of image segmentation.
Úplný záznam
Segmentation of brain tumours in MRI images using deep learning
 Ustsinau, Usevalad ; Odstrčilík, Jan (oponent) ; Chmelík, Jiří (vedoucí práce)
The following master's thesis paper equipped with a short description of CT scans and MR images and the main differences between them, explanation of the structure of convolutional neural networks and how they implemented into biomedical image analysis, besides it was taken a popular modification of U-Net and tested on two loss-functions. As far as segmentation quality plays a highly important role for doctors, in experiment part it was paid significant attention to training quality and prediction results of the model. The experiment has shown the effectiveness of the provided algorithm and performed 100 training cases with the following analysis through the similarity. The proposed outcome gives us certain ideas for future improving the quality of image segmentation via deep learning techniques.
Úplný záznam

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