Ahmad Syafadhli Bin Abu Bakar

Dr. Ahmad Syafadhli Bin Abu Bakar


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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18 January 2024 in Information
Verified
Journal Article
Open access
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KKKu Muhammad Naim Ku Khalif
Ku Muhammad Naim Ku Khalif
WSWoo Chaw Seng
Woo Chaw Seng
Alexander GegovAlexander Gegov
Alexander Gegov
ABAhmad Syafadhli Bin Abu Bakar
Ahmad Syafadhli Bin Abu Bakar
NSNUR ADIBAH BINTI SHAHARUL
NUR ADIBAH BINTI SHAHARUL
Convolutional Neural Networks (CNNs) have garnered significant utilisation within automated image classification systems. CNNs possess the ability to leverage the spatial and temporal correlations inherent in a dataset. This study delves into the use of cutting-edge deep learning for precise image data classification, focusing on overcoming the difficulties brought on by the COVID-19 pandemic. In order to improve the accuracy and robustness of COVID-19 image classification, the study introduces a novel methodology that combines the strength of Deep Convolutional Neural Networks (DCNNs) and Generative Adversarial Networks (GANs). This proposed study helps to mitigate the lack of labelled coronavirus (COVID-19) images, which has been a standard limitation in related research, and improves the model’s ability to distinguish between COVID-19-related patterns and healthy lung images. The study uses a thorough case study and uses a sizable dataset of chest X-ray images covering COVID-19 cases, other respiratory conditions, and healthy lung conditions. The integrated model outperforms conventional DCNN-based techniques in terms of classification accuracy after being trained on this dataset. To address the issues of an unbalanced dataset, GAN will produce synthetic pictures and extract deep features from every image. A thorough understanding of the model’s performance in real-world scenarios is also provided by the study’s meticulous evaluation of the model’s performance using a variety of metrics, including accuracy, precision, recall, and F1-score.

9 July 2020 in Symmetry
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Journal Article
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SASiti Nazifah Zainol Abidin
Siti Nazifah Zainol Abidin
Saiful Hafizah JaamanSaiful Hafizah Jaaman
Saiful Hafizah Jaaman
MIMunira Ismail
Munira Ismail
ABAhmad Syafadhli Bin Abu Bakar
Ahmad Syafadhli Bin Abu Bakar
The fact that many stocks are traded in the marketplace makes the selection process of choosing the right stocks for investment crucial and challenging. In the literature on stock selection, cluster analysis-based methods have usually been used to group and to determine the best stock for investment. Many established cluster analysis-based methods often cluster stocks under consideration using the average of the variables, where stocks with similar scores are concluded as having the same performances. Nevertheless, the performance results obtained do not reflect the actual performance of the stocks. Depending only on the average score of each variable is inefficient, as market situations usually involve uncertain extreme values. Moreover, when grouping stock performance, the established clustering methods assume that investors’ selection preferences are single and unclear, when actually, in reality, investors’ selection preferences vary; some investors are pessimistic, while others may be more optimistic. Due to this issue, this paper presents a novel fuzzy clustering method using a fuzzy inference system to flexibly assess the consistent evaluations given to stock performance that differentiate between pessimistic and optimistic investors that are symmetrical in nature. All variables considered in this study were defined in terms of linguistic inputs, where the consensus among them was aggregated using rule bases. These rule bases provide assistance in obtaining the linguistic output, which is the actual performance of the stock. Next, each stock under consideration was ranked using the proposed novel stock selection strategy based on investors’ confidence levels and preferences. The proposed method was then applied to a case study of 30 Syariah stocks listed on the Malaysian stock exchange, where the results obtained were empirically validated with established cluster analysis-based methods.

1 March 2019
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Book Chapter
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ABAhmad Syafadhli Bin Abu Bakar
Ahmad Syafadhli Bin Abu Bakar
KKKu Muhammad Naim Ku Khalif
Ku Muhammad Naim Ku Khalif
AYAbdul Malek Yaakob
Abdul Malek Yaakob
AGAlexander Gegov
Alexander Gegov
AAAhmad Zaki Mohamad Amin
Ahmad Zaki Mohamad Amin

1 January 2023 in AIP Conference Proceedings
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Conference Paper
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AAAhmad Fuad Mohamad Amin
Ahmad Fuad Mohamad Amin
UGUmi Kalsum Abd Gani
Umi Kalsum Abd Gani
ABAhmad Syafadhli Bin Abu Bakar
Ahmad Syafadhli Bin Abu Bakar
The Yellow Transverse Bar appears on the road as a yellow line. The Yellow Transverse Bar has an impact on vehicle suspension systems as well as people carrying automobiles on the road. A vehicle’s suspension system is made up of springs, shock absorbers, and linkages that connect the vehicle’s wheels to the ground. The effects of car suspension will be investigated in this study. A simple mathematical model of car suspension will be developed, and better linearization techniques will be used to provide more accurate findings for users on the road who cross the yellow transverse bar line. This model is numerically solved. A more detailed analysis of the model’s simulation results is presented and interpreted.

12 July 2019 in Applied Intelligence
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Journal Article
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ABAhmad Syafadhli Bin Abu Bakar
Ahmad Syafadhli Bin Abu Bakar
KKKu Muhammad Naim Ku Khalif
Ku Muhammad Naim Ku Khalif
ASAsma Ahmad Shariff
Asma Ahmad Shariff
AGAlexander Gegov
Alexander Gegov
FSFauzani Md Salleh
Fauzani Md Salleh

14 November 2021
Verified
Book Chapter
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ABAhmad Syafadhli Bin Abu Bakar
Ahmad Syafadhli Bin Abu Bakar
MKMohd Zahurin Mohamed Kamali
Mohd Zahurin Mohamed Kamali
KKKu Muhammad Naim Ku Khalif
Ku Muhammad Naim Ku Khalif
AGAlexander Gegov
Alexander Gegov
SASiti Nazifah Zainol Abidin
Siti Nazifah Zainol Abidin