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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Generative Neural Network for Creating Synthetic Photorealistic Images
 Hora, Adam ; Přinosil, Jiří (referee) ; Říha, Kamil (advisor)
The main objective of this work is to select and design a neural network model that will be able to generate realistic images thematically fitting the selected dataset. The architecture used for the solution is Deep convolutional generative adversarial network. This network is than implemented in the Python programming language using the Tensorflow application programming interface and its included interface Keras. Finally, the model is trained on the selected dataset and the resulting generated images are presented. The final model and individual images are then evaluated using various quality assessment methods.
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Generative Adversarial Networks and Applications in Bioinformatics
KOLESNICHENKO, Nikita
Generative Adversarial Networks (GAN) are currently considered a state-of-the-art method for image generation. Recently, Deep Convolutional Generative Adversarial Networks (DCGAN) yielded promising results in protein contact maps generation. The algorithm generated realistic protein structures, which were less erroneous than previously used generative methods. However, DCGAN is notorious for being hard to train due to the limitations of its loss function and complications in optimization. Wasserstein Generative Adversarial Networks (WGAN) was proposed, employing the Wasserstein loss function that stabilizes training and alleviates some of the DCGAN's training problems. In this thesis, a hyperparameter grid search for DCGAN and WGAN was conducted on the CIFAR-10 dataset. Runs with different hyperparameters were compared using Fréchet Inception Distance to determine whether WGAN is more stable than DCGAN.
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