Browsing NTNU Open by Author "Krejcar, Ondrej"
Now showing items 1-11 of 11
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Benchmarks for machine learning in depression discrimination using electroencephalography signals
Seal, Ayan; Bajpai, Rishabh; Karnati, Mohan; Agnihotri, Jagriti; Yazidi, Anis; Herrera-Viedma, Enrique; Krejcar, Ondrej (Journal article; Peer reviewed, 2022)Diagnosis of depression using electroencephalography (EEG) is an emerging field of study. When mental health facilities are unavailable, the use of EEG as an objective measure for depression management at an individual ... -
Clustering Uncertain Data Objects Using Jeffreys-Divergence and Maximum Bipartite Matching Based Similarity Measure
Sharma, Krishna Kumar; Seal, Ayan; Yazidi, Anis; Selamat, Ali; Krejcar, Ondrej (Peer reviewed; Journal article, 2021)In recent years, uncertain data clustering has become the subject of active research in many fields, for example, pattern recognition, and machine learning. Nowadays, researchers have committed themselves to substitute the ... -
A deep CNN model for anomaly detection and localization in wireless capsule endoscopy images
Jain, Samir; Seal, Ayan; Ojha, Aparajita; Yazidi, Anis; Bures, Jan; Tacheci, Ilja; Krejcar, Ondrej (Peer reviewed; Journal article, 2021)Wireless capsule endoscopy (WCE) is one of the most efficient methods for the examination of gastrointestinal tracts. Computer-aided intelligent diagnostic tools alleviate the challenges faced during manual inspection of ... -
Facial Expression Recognition Using Local Gravitational Force Descriptor-Based Deep Convolution Neural Networks
Mohan, Karnati; Seal, Ayan; Krejcar, Ondrej; Yazidi, Anis (Peer reviewed; Journal article, 2020)An image is worth a thousand words; hence, a face image illustrates extensive details about the specification, gender, age, and emotional states of mind. Facial expressions play an important role in community-based ... -
FLEPNet: Feature Level Ensemble Parallel Network for Facial Expression Recognition
Karnati, Mohan; Seal, Ayan; Yazidi, Anis; Krejcar, Ondrej (Journal article; Peer reviewed, 2022) -
Graphical representation learning-based approach for automatic classification of electroencephalogram signals in depression
Soni, Surbhi; Seal, Ayan; Yazidi, Anis; Krejcar, Ondrej (Journal article; Peer reviewed, 2022)Depression is a major depressive disorder characterized by persistent sadness and a sense of worthlessness, as well as a loss of interest in pleasurable activities, which leads to a variety of physical and emotional problems. ... -
LieNet: A deep convolution neural Network framework for detecting deception
Karnati, Mohan; Seal, Ayan; Yazidi, Anis; Krejcar, Ondrej (Peer reviewed; Journal article, 2022)Nowadays, automatic deception detection has received considerable attention in the machine learning community owing to this research interest to its vast applications in the fields of social media, interviews, law enforcement, ... -
A New Adaptive Mixture Distance-Based Improved Density Peaks Clustering for Gearbox Fault Diagnosis
Sharma, Krishna Kumar; Seal, Ayan; Yazidi, Anis; Krejcar, Ondrej (Peer reviewed; Journal article, 2022)With the rapid development of sensors and mechanical systems, we produce an exponentially large amount of data daily. Usually, faults are prevalent in these sensory systems due to harsh operational conditions. Thus, detecting ... -
A novel multi-scale based deep convolutional neural network for detecting COVID-19 from X-rays
Karnati, Mohan; Seal, Ayan; Sahu, Geet; Yazidi, Anis; Krejcar, Ondrej (Peer reviewed; Journal article, 2022)The COVID-19 pandemic has posed an unprecedented threat to the global public health system, primarily infecting the airway epithelial cells in the respiratory tract. Chest X-ray (CXR) is widely available, faster, and less ... -
S-Divergence-Based Internal Clustering Validation Index
Sharma, Krishna Kumar; Seal, Ayan; Yazidi, Anis; Krejcar, Ondrej (Peer reviewed; Journal article, 2023) -
Understanding Deep Learning Techniques for Recognition of Human Emotions Using Facial Expressions: A Comprehensive Survey
Karnati, Mohan; Seal, Ayan; Bhattacharjee, Debotosh; Yazidi, Anis; Krejcar, Ondrej (Peer reviewed; Journal article, 2023)Emotion recognition plays a significant role in cognitive psychology research. However, measuring emotions is a challenging task. Thus, several approaches have been designed for facial expression recognition (FER). Although, ...