Tahar MEKHAZNIA

Dr. Tahar MEKHAZNIA

orcid

Research Focus & Metrics

Academic Career Length

8Years (2019-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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6 December 2024 in Diagnostics
Verified
Journal Article
Open access
PDF file
YHYousra Hedhoud
Yousra Hedhoud
TMTahar MEKHAZNIA
Tahar MEKHAZNIA
Akram BennourAkram Bennour
Akram Bennour
MAMohamed Amroune
Mohamed Amroune
NKNeesrin Ali Kurdi
Neesrin Ali Kurdi
Mohammed Al-SaremMohammed Al-Sarem
Mohammed Al-Sarem
Background/Objectives: Chest disease identification for Tuberculosis and Pneumonia diseases presents diagnostic challenges due to overlapping radiographic features and the limited availability of expert radiologists, especially in developing countries. The present study aims to address these challenges by developing a Computer-Aided Diagnosis (CAD) system to provide consistent and objective analyses of chest X-ray images, thereby reducing potential human error. By leveraging the complementary strengths of convolutional neural networks (CNNs) and vision transformers (ViTs), we propose a hybrid model for the accurate detection of Tuberculosis and for distinguishing between Tuberculosis and Pneumonia. Methods: We designed a two-step hybrid model that integrates the ResNet-50 CNN with the ViT-b16 architecture. It uses the transfer learning on datasets from Guangzhou Women’s and Children’s Medical Center for Pneumonia cases and datasets from Qatar and Dhaka (Bangladesh) universities for Tuberculosis cases. CNNs capture hierarchical structures in images, while ViTs, with their self-attention mechanisms, excel at identifying relationships between features. Combining these approaches enhances the model’s performance on binary and multi-class classification tasks. Results: Our hybrid CNN-ViT model achieved a binary classification accuracy of 98.97% for Tuberculosis detection. For multi-class classification, distinguishing between Tuberculosis, viral Pneumonia, and bacterial Pneumonia, the model achieved an accuracy of 96.18%. These results underscore the model’s potential in improving diagnostic accuracy and reliability for chest disease classification based on X-ray images. Conclusions: The proposed hybrid CNN-ViT model demonstrates substantial potential in advancing the accuracy and robustness of CAD systems for chest disease diagnosis. By integrating CNN and ViT architectures, our approach enhances the diagnostic precision, which may help to alleviate the burden on healthcare systems in resource-limited settings and improve patient outcomes in chest disease diagnosis.

1 August 2019 in Forensic Science International
Verified
Journal Article
Closed access
Akram BennourAkram Bennour
Akram Bennour
CDChawki Djeddi
Chawki Djeddi
AGAbdeljalil Gattal
Abdeljalil Gattal
ISImran Siddiqi
Imran Siddiqi
TMTahar MEKHAZNIA
Tahar MEKHAZNIA

24 December 2024 in Diagnostics
Verified
Journal Article
Open access
PDF file
SBSabrina Benredjem
Sabrina Benredjem
TMTahar MEKHAZNIA
Tahar MEKHAZNIA
RARawad Prof. Dr. Rawad Abdulghafor
Rawad Prof. Dr. Rawad Abdulghafor
Sherzod TuraevSherzod Turaev
Sherzod Turaev
Akram BennourAkram Bennour
Akram Bennour
Mohammed Al-SaremMohammed Al-Sarem
Mohammed Al-Sarem
Background: Neurodegenerative diseases (NGD) encompass a range of progressive neurological conditions, such as Alzheimer’s disease (AD) and Parkinson’s disease (PD), characterised by the gradual deterioration of neuronal structure and function. This degeneration manifests as cognitive decline, movement impairment, and dementia. Our focus in this investigation is on PD, a neurodegenerative disorder characterized by the loss of dopamine-producing neurons in the brain, leading to motor disturbances. Early detection of PD is paramount for enhancing quality of life through timely intervention and tailored treatment. However, the subtle nature of initial symptoms, like slow movements, tremors, muscle rigidity, and psychological changes, often reduce daily task performance and complicate early diagnosis. Method: To assist medical professionals in timely diagnosis of PD, we introduce a cutting-edge Multimodal Diagnosis framework (PMMD). Based on deep learning techniques, the PMMD framework integrates imaging, handwriting, drawing, and clinical data to accurately detect PD. Notably, it incorporates cross-modal attention, a methodology previously unexplored within the area, which facilitates the modelling of interactions between different data modalities. Results: The proposed method exhibited an accuracy of 96% on the independent tests set. Comparative analysis against state-of-the-art models, along with an in-depth exploration of attention mechanisms, highlights the efficacy of PMMD in PD classification. Conclusions: The obtained results highlight exciting new prospects for the use of handwriting as a biomarker, along with other information, for optimal model performance. PMMD’s success in integrating diverse data sources through cross-modal attention underscores its potential as a robust diagnostic decision support tool for accurately diagnosing PD.

18 March 2021
Verified
Book Chapter
Closed access
PDF file
TMTahar MEKHAZNIA
Tahar MEKHAZNIA
CDChawki Djeddi
Chawki Djeddi
SSSobhan Sarkar
Sobhan Sarkar


4 August 2024 in Acta Informatica Pragensia
Verified
Journal Article
Open access
PDF file
Merouane BoudraaMerouane Boudraa
Merouane Boudraa
Akram BennourAkram Bennour
Akram Bennour
TMTahar MEKHAZNIA
Tahar MEKHAZNIA
AAAbdulrahman Alqarafi
Abdulrahman Alqarafi
RMRashiq Rafiq Marie
Rashiq Rafiq Marie
ADAyush Dogra
Ayush Dogra
Peer-reviewed journal on social and business aspects of informatics that covers the theory and application of enterprise information systems, as well as interactions between ICT and people.