Browsing by Author "Ozkaya, Umut"
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Automatic Detection of Power Quality Disturbance Using Convolutional Neural Network Structure with Gated Recurrent Unit
Yigit, Enes; Ozkaya, Umut; Ozturk, Saban; Singh, Dilbag; Gritli, Hassene (Hindawi Ltd, 2021)Power quality disturbance (PQD) is essential for devices consuming electricity and meeting today's energy trends. This study contains an effective artificial intelligence (AI) framework for analyzing single or composite ... -
Comparative Regression Analysis for Estimating Resonant Frequency of C-Like Patch Antennas
Ozkaya, Umut; Yigit, Enes; Seyfi, Levent; Ozturk, Saban; Singh, Dilbag (Hindawi Ltd, 2021)This study provides a comparative analysis of regression techniques to estimate the operating frequency of the C-like microstrip antenna. The performance of well-known regression techniques such as linear regression (LR), ... -
Dimension optimization of multi-band microstrip antennas using deep learning methods
Ozkaya, Umut; Seyfi, Levent; Ozturk, Saban (Pamukkale Univ, 2021)The electromagnetic frequency spectrum is divided into different sub-frequency bands. These sub-frequency bands are allocated for different applications. In these days, devices operating in multiple sub-frequency bands ... -
Obtaining missing areas with exemplar inpainting in mosaic unmanned aerial vehicle images
Ozkaya, Umut; Makineci, Bilgehan Hasan; Ozturk, Saban; Orhan, Osman (Geomatik Journal, 2021)In this article, mosaic process was applied to use in digital elevation model of terrestrial images by using Unmanned Aerial Vehicle (UAV). Images acquired with an industrial UAV with a compact camera, rotary-wing, at 120 ... -
Residual CNN plus Bi-LSTM model to analyze GPR B scan images
Ozkaya, Umut; Ozturk, Saban; Melgani, Farid; Seyfi, Levent (Elsevier, 2021)In this study, the residual Convolutional Neural Network (CNN) with the Bidirectional Long Short Time Memory (Bi-LSTM) model has proposed for the analysis of Ground Penetrating Radar B scan (GPR B Scan) images. GPR ... -
Residual LSTM layered CNN for classification of gastrointestinal tract diseases
Ozturk, Saban; Ozkaya, Umut (Academic Press Inc Elsevier Science, 2021)nowadays, considering the number of patients per specialist doctor, the size of the need for automatic medical image analysis methods can be understood. These systems, which are very advantageous compared to manual systems ...