Browsing by Author "Polat, Kemal"
Now showing items 1-11 of 11
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An adaptive deep learning framework to classify unknown composite power quality event using known single power quality events
Sindi, Hatem; Nour, Majid; Rawa, Muhyaddin; Ozturk, Saban; Polat, Kemal (Pergamon-Elsevier Science Ltd, 2021)Distributed generation (DG) sources are preferred to meet today's energy needs effectively. The addition of many different types of renewable energy sources to the grid causes various problems in signal quality. Detection ... -
Attention-based end-to-end CNN framework for content-based X-ray image retrieval
Ozturk, Saban; Alhudhaif, Adi; Polat, Kemal (Tubitak Scientific & Technological Research Council Turkey, 2021)The widespread use of medical imaging devices allows deep analysis of diseases. However, the task of examining medical images increases the burden of specialist doctors. Computer-assisted systems provide an effective ... -
Classification of vertebral column disorders and lumbar discs disease using attribute weighting algorithm with mean shift clustering
Unal, Yavuz; Polat, Kemal; Kocer, H. Erdinc (ELSEVIER SCI LTD, 2016)In this article, a new data pre-processing method has been suggested to detect and classify vertebral column disorders and lumbar disc diseases with a high accuracy level. The suggested pre-processing method is called the ... -
Detection of abnormalities in lumbar discs from clinical lumbar MRI with hybrid models
Unal, Yavuz; Polat, Kemal; Kocer, H. Erdinc; Hariharan, M. (ELSEVIER SCIENCE BV, 2015)Disc abnormalities cause a great number of complaints including lower back pain. Lower back pain is one of the most common types of pain in the world. The computer-assisted detection of this ailment will be of great use ... -
An effective hashing method using W-Shaped contrastive loss for imbalanced datasets
Alenezi, Fayadh; Ozturk, Saban; Armghan, Ammar; Polat, Kemal (Pergamon-Elsevier Science Ltd, 2022)The extraction of informative features from medical images and the retrieving of similar images from data repositories is vital for clinical decision support systems. Unlike general tasks such as medical image classification ... -
A novel classification framework using multiple bandwidth method with optimized CNN for brain-computer interfaces with EEG-fNIRS signals
Nour, Majid; Ozturk, Saban; Polat, Kemal (Springer London Ltd, 2021)The most effective way to communicate between the brain and electronic devices in the outside world is the brain-computer interface (BCI) systems. BCI systems use signals of being through neural activity in the brain to ... -
A novel hybrid deep learning approach including combination of 1D power signals and 2D signal images for power quality disturbance classification
Sindi, Hatem; Nour, Majid; Rawa, Muhyaddin; Ozturk, Saban; Polat, Kemal (Pergamon-Elsevier Science Ltd, 2021)As a result of the widespread use of power electronic equipment and the increase in consumption, the importance of effective energy policies and the smart grid begins to increase. Nonlinear loads and other loads in electric ... -
Pairwise FCM based feature weighting for improved classification of vertebral column disorders
Unal, Yavuz; Polat, Kemal; Kocer, H. Erdinc (PERGAMON-ELSEVIER SCIENCE LTD, 2014)In this paper, an innovative data pre-processing method to improve the classification performance and to determine automatically the vertebral column disorders including disk hernia (DH), spondylolisthesis (SL) and normal ... -
Random fully connected layered 1D CNN for solving the Z-bus loss allocation problem
Sindi, Hatem; Nour, Majid; Rawa, Muhyaddin; Ozturk, Saban; Polat, Kemal (Elsevier Sci Ltd, 2021)Power loss allocation methods should be efficient enough to meet the needs of the customers on the bus and effectively calculate the losses from generators and consumers. In order to perform these tasks, a highly robust ... -
Türk kültür tarihi açısından Taşova'da doğum evlenme ve ölüm gelenekleri
Düzgün, Fahriye Güleç (Amasya Üniversitesi, 2019)Kültür ve tarih zaman içerisinde birlikte yol almış iki olgudur. Tarih boyunca, kimi zaman tarih kültürü kimi zaman da kültür tarihi şekillendirmiştir. Halk inanışları kalıplaşarak zamanla gelenekleri ortaya çıkarmıştır. ... -
Türk kültür tarihinde at ve kurt
Seyis, Yunus Emre (Amasya Üniversitesi, 2021)Bu çalışma, özellikle Genel Türk Tarihinden temel alınarak Türklerin yaşayışlarında, inançlarında ve kültürlerinde hayvanların etkisi ve üslubunu araştırmaktır. Bu bağlamda mevcut dönemi anlatan destan, efsane gibi edebi ...