taqwa ahmed

Dr. taqwa ahmed


Research Focus & Metrics

Academic Career Length

11Years (2016-Present)

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

Representative Publications

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28 November 2016 in PLOS ONE
Verified
Journal Article
Open access
PDF file
TAtaqwa ahmed
taqwa ahmed
MSMaheyzah Md Siraj
Maheyzah Md Siraj
AZAnazida Zainal
Anazida Zainal
HEHuwaida Tagelsir Elshoush
Huwaida Tagelsir Elshoush
FEFatin Elhaj
Fatin Elhaj
Grouping and clustering alerts for intrusion detection based on the similarity of features is referred to as structurally base alert correlation and can discover a list of attack steps. Previous researchers selected different features and data sources manually based on their knowledge and experience, which lead to the less accurate identification of attack steps and inconsistent performance of clustering accuracy. Furthermore, the existing alert correlation systems deal with a huge amount of data that contains null values, incomplete information, and irrelevant features causing the analysis of the alerts to be tedious, time-consuming and error-prone. Therefore, this paper focuses on selecting accurate and significant features of alerts that are appropriate to represent the attack steps, thus, enhancing the structural-based alert correlation model. A two-tier feature selection method is proposed to obtain the significant features. The first tier aims at ranking the subset of features based on high information gain entropy in decreasing order. The‏ second tier extends additional features with a better discriminative ability than the initially ranked features. Performance analysis results show the significance of the selected features in terms of the clustering accuracy using 2000 DARPA intrusion detection scenario-specific dataset.

5 January 2023 in Diagnostics
Verified
Journal Article
Open access
PDF file
TETusneem A Elhassan
Tusneem A Elhassan
MRMohd Shafry Mohd Rahim
Mohd Shafry Mohd Rahim
Siti Zaiton Mohd HashimSiti Zaiton Mohd Hashim
Siti Zaiton Mohd Hashim
TSTan Tian Swee
Tan Tian Swee
TAtaqwa ahmed
taqwa ahmed
MAMahmood Aljurf
Mahmood Aljurf
Recent advancements in artificial intelligence (AI) have led to numerous medical discoveries. The field of computer vision (CV) for medical diagnosis has received particular attention. Using images of peripheral blood (PB) smears, CV has been utilized in hematology to detect acute leukemia (AL). Significant research has been undertaken in the area of AL diagnosis automation in order to deliver an accurate diagnosis. This study addresses the morphological classification of atypical white blood cells (WBCs), including immature WBCs and atypical lymphocytes, in acute myeloid leukemia (AML), as observed in peripheral blood (PB) smear images. The purpose of this work is to build a classification model for atypical AML WBCs based on their distinctive features. Using a hybrid model based on geometric transformation (GT) and a deep convolutional autoencoder (DCAE), this work provides a novel technique in the field of AI for resolving the issue of imbalanced distribution of WBCs in blood samples, nicknamed the “GT-DCAE WBC augmentation model”. In addition, to extract context-free atypical WBC features, this study develops a stable learning paradigm by incorporating WBC segmentation into deep learning. In order to classify atypical WBCs into eight distinct subgroups, a hybrid multiclassification model termed the “two-stage DCAE-CNN atypical WBC classification model” (DCAE-CNN) was developed. The model achieved an average accuracy of 97%, a sensitivity of 97%, and a precision of 98%. Overall and by class, the model’s discriminating abilities were exceptional, with an AUC of 99.7% and a class-wise range of 80% to 100%.

28 November 2022 in IEEE Access
Verified
Journal Article
Open access
TAtaqwa ahmed
taqwa ahmed
SASettana Mohammed Abdulla
Settana Mohammed Abdulla
MIMohmmed Abdulla Elshekh Iderss
Mohmmed Abdulla Elshekh Iderss
AAAlaa Abdalati Ahmed Ali
Alaa Abdalati Ahmed Ali
FEFatin A. Elhaj
Fatin A. Elhaj
LGLUBNA GABRALLA
LUBNA GABRALLA
The integration of medical equipment into the Internet of Things (IoT) led to the introduction of Internet of Medical Things (IoMT). Variation of IoT devices have been equipped in medical facilities. These devices provided convenience to healthcare provider since they can continuously monitor their patients in real-time, while allowing them to have greater physical flexibility and mobility. However, users of healthcare services (such as patients and medical staff) often are less concerned about security issues associated with IoT. These alleviate existing problems and jeopardize the lives of their patients by making them susceptible to attacks. Furthermore, IoMT applications have direct access to healthcare services because it handles sensitive patient information. Therefore, it is extremely important to preserve and establish the security and privacy of IoMT. This further justifies the need to investigate and address the related issues. Despite existing literature on security and privacy mechanisms, the domain still requires more attention. Therefore, this paper aims to discuss the security and privacy principles, as well as challenges associated with IoMT. Besides, a comprehensive analysis of privacy and security solutions for IoMT is also presented. In addition, we introduced a novel taxonomy of IoMT security and privacy based on cyber security principles such as “govern,” “protect,” and “detect”. In conclusion, this paper provides a discussion on existing challenges and future direction for researchers.

28 May 2023 in International Journal of Information Security
Verified
Journal Article
Closed access
PDF file
TAtaqwa ahmed
taqwa ahmed
MSMaheyzah Md Siraj
Maheyzah Md Siraj
AZAnazida Zainal
Anazida Zainal
IIInshirah Idris
Inshirah Idris
ANAnjum Nazir
Anjum Nazir
TDTasneem Darwish
Tasneem Darwish