Yazar "Karadag, Muge" seçeneğine göre listele

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    Comparison of Neural Style Transfer Performance of Deep Learning Models
    (Gazi Univ, 2021) Karadag, Batuhan; Ari, Ali; Karadag, Muge
    Neural style transfer is one of the most studied topics in both academic and industrial fields. Quality and performance enhancement are among the most targeted goals in the studies. In this study, the performance of different CNN models in neural style transfer was investigated. Deep features were obtained using VGG16, VGG19 and ResNet50 models. Thanks to these attributes, a new target image is created by taking the content of the content image and the style of the style image. Adam, RMSprop and SGD optimization algorithms are used. In neural transfer studies, the best visual performance was obtained from VGG19 network model by using SGD optimization algorithm. The fastest neural style transfer in terms of time was obtained using the SGD optimization algorithm in the ResNet50 convolutional neural network model.
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    A New Approach for the Pseudo-Quaternionic Lorentzian Evolute and Involute Curves
    (Gazi Univ, 2022) Karadag, Muge
    In this study, the main purpose is to obtain pseudo quaternionic Lorentzian evolute-involute curves on L-Q(4). In fact the pseudo quaternion is a quaternion which has 3-dimension and its temporal part is ziro. So it has only vectoral part of the quaternions. Thus, if defined a pseudo-quaternionic curve on L-Q(4), then its quaternionic part is pseudo quaternion. What is meant to do here, to write out Lorentzian evolute-involute curves of the quaternionic time-like curves in L-Q(4) using quaternions and to reveal some relationships between these curves.
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    A Note on Nearly Hyperbolic Cosymplectic Manifolds
    (Gazi Univ, 2020) Karadag, Muge
    Interest in hyperbolic cosymplectic manifolds has increased in recent years. In this paper, pseudo slant submanifolds of a nearly hyperbolic cosymplectic manifold have been explored deeply. In particular, the integrability conditions of distributions on such manifolds have been investigated. So, for a pseudo slant submanifold.. of a nearly hyperbolic cosymplectic manifold (M) over tilde which is totally geodesic D-theta,D-mu distributions with D-mu circle plus and D-theta circle plus D-mu are proved integrable but D-theta circle plus or not.
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    Some Characterizations for a Quaternion-Valued and Dual Variable Curve
    (Mdpi, 2019) Karadag, Muge; Sivridag, Ali Ihsan
    Quaternions, which are found in many fields, have been studied for a long time. The interest in dual quaternions has also increased after real quaternions. Nagaraj and Bharathi developed the basic theories of these studies. The Serret-Frenet Formulae for dual quaternion-valued functions of one real variable are derived. In this paper, by making use of the results of some previous studies, helixes and harmonic curvature concepts in Q(D3) and Q(D4) are considered and a characterization for a dual harmonic curve to be a helix is given.