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1.
Int J Numer Method Biomed Eng ; 38(1): e3530, 2022 01.
Article in English | MEDLINE | ID: mdl-34506081

ABSTRACT

Deep learning is one of the most promising machine learning techniques that revolutionalized the artificial intelligence field. The known traditional and convolutional neural networks (CNNs) have been utilized in medical pattern recognition applications that depend on deep learning concepts. This is attributed to the importance of anomaly detection (AD) in automatic diagnosis systems. In this paper, the AD is performed on medical electroencephalography (EEG) signal spectrograms and medical corneal images for Internet of medical things (IoMT) systems. Deep learning based on the CNN models is employed for this task with training and testing phases. Each input image passes through a series of convolution layers with different kernel filters. For the classification task, pooling and fully-connected layers are utilized. Computer simulation experiments reveal the success and superiority of the proposed models for automated medical diagnosis in IoMT systems.


Subject(s)
Artificial Intelligence , Neural Networks, Computer , Computer Simulation , Internet , Machine Learning
2.
Appl Opt ; 57(7): B25-B31, 2018 Mar 01.
Article in English | MEDLINE | ID: mdl-29522032

ABSTRACT

Automated and accurate classification of magnetic resonance images (MRIs) of the brain has great importance for medical analysis and interpretation. This paper presents a hybrid optimized classification method to classify the brain tumor by classifying the given magnetic resonance brain image as normal or abnormal. The proposed system implements a gray wolf optimizer (GWO) combined with a supervised artificial neural network (ANN) classifier to achieve enhanced MRI classification accuracy via selecting the optimal parameters of ANN. The introduced GWO-ANN classification system performance is compared to the traditional neural network (NN) classifier using receiver operating characteristic analysis. Experimental results obviously indicate that the presented system achieves a high classification rate and performs much better than the traditional NN classifier.


Subject(s)
Brain Diseases/diagnostic imaging , Brain/diagnostic imaging , Magnetic Resonance Imaging/methods , Neural Networks, Computer , Support Vector Machine , Algorithms , Humans , Machine Learning , Models, Theoretical , Pattern Recognition, Automated/methods
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