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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Detection of grids on nuclear fuel set images
 Palášek, Jan ; Blažek, Jan (advisor) ; Šikudová, Elena (referee)
Visual inspection of fuel assemblies is necessary to identify potential anomalies in their behaviour associated with their condition and their future usage. One of the possible find- ings are foreign objects caught on the fuel spacer grid which can disrupt the cladding of fuel rods during the operation. The goal of this thesis is to accurately segment the spacer grid from an image, which is a task dual to the foreign object detection, and therefore to automate visual inspection process in this area. We created new datasets covering typical problems appearing on the fuel assembly. To perform the segmentation, we em- ployed neural networks. We increased performance by data augmentation techniques and domain-specific output post-processing. We also measured the algorithm's performance by a newly introduced Line Distance metric, computing the size of the maximum un- certain area between the actual and the predicted transition between grids and rods. In the experiments, we found the best hyperparameters and reached very good results, outperforming our predecessor's algorithm by having three times lower Line Distance metric. 1
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Artificial Intelligence for Warlight Board Game
 Palášek, Jan ; Gemrot, Jakub (advisor) ; Pilát, Martin (referee)
This thesis implements an artificial player for this game. Part of this thesis is a simulator, possibility to play against an AI player and a possibility to play against another human in the form of a hotseat game (multiplayer game on one computer). A framework was designed in order to be used for future development and testing of AI in this game. 1
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