Search Results - "Khalaf, Ashraf A. M."

Automatic brain-tumor diagnosis using cascaded deep convolutional neural networks with symmetric U-Net and asymmetric residual-blocks by Abd-Ellah, Mahmoud Khaled, Awad, Ali Ismail, Khalaf, Ashraf A. M., Ibraheem, Amira Mofreh

“…The use of various kinds of magnetic resonance imaging (MRI) techniques for examining brain tissue has increased significantly in recent years, and manual…”
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Two-phase multi-model automatic brain tumour diagnosis system from magnetic resonance images using convolutional neural networks by Abd-Ellah, Mahmoud Khaled, Awad, Ali Ismail, Khalaf, Ashraf A. M., Hamed, Hesham F. A.

“…Brain tumour is a serious disease, and the number of people who are dying due to brain tumours is increasing. Manual tumour diagnosis from magnetic resonance…”
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High-Sensitivity Early Detection Biomedical Sensor for Tuberculosis With Low Losses in the Terahertz Regime Based on Photonic Crystal Fiber Technology by Mohammed, Nazmi A., Khedr, Omar E., El-Rabaie, El-Sayed M., Khalaf, Ashraf A. M.

“…Tuberculosis is one of the most contagious and lethal illnesses in the world, according to the World Health Organization. Tuberculosis had the leading…”
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Literature Review: On-Chip Photonic Crystals and Photonic Crystal Fiber for Biosensing and Some Novel Trends by Mohammed, Nazmi A., Khedr, Omar E., El-Rabaie, El-Sayed M., Khalaf, Ashraf A. M.

“…This review summarizes recent advances in sensors based on photonic crystal technologies for biomedical sensing applications. Photonic crystal sensing offers…”
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Efficient Feature-Aware Hybrid Model of Deep Learning Architectures for Speech Emotion Recognition by Ezz-Eldin, Mai, Khalaf, Ashraf A. M., Hamed, Hesham F. A., Hussein, Aziza I.

“…Robust automatic speech emotional-speech recognition architectures based on hybrid convolutional neural networks (CNN) and feedforward deep neural networks are…”
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PAPR reduction technique for FBMC based visible light communication systems by Salama, Gerges M., Abdalla, Haitham F., Mohamed, Amira A., Hassan, Emad S., Dessouky, Moawad I., Khalaf, Ashraf A. M., El‐Emary, Atef, Elsafrawey, Amir S.

“…One of the critical challenges in multicarrier‐based systems is peak to average power ratio (PAPR). Recently, Filter Bank Multicarrier (FBMC) is proved to be a…”
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Visual tracking using convolutional features with sparse coding by Abbass, Mohammed Y., Kwon, Ki-Chul, Kim, Nam, Abdelwahab, Safey A., El-Samie, Fathi E. Abd, Khalaf, Ashraf A. M.

“…Visual object tracking has become one of the most active research topics in computer vision, and it has been applied in several commercial applications…”
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Two-Element Pharaonic Ankh-Key Array Antenna Design, Simulation, and Fabrication for 5G and Millimeter-Wave Broadband Applications by Rashad, Noha M., Hussein, Aziza I., Khalaf, Ashraf A. M.

“…In this paper, a two-element Pharaonic Ankh-Key array antenna is proposed. The array antenna is designed, simulated and fabricated to enhance the new…”
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Deep Learning Modalities for Biometric Alteration Detection in 5G Networks-Based Secure Smart Cities by Sedik, Ahmed, Tawalbeh, Lo'Ai, Hammad, Mohamed, El-Latif, Ahmed A. Abd, El-Banby, Ghada M., Khalaf, Ashraf A. M., El-Samie, Fathi E. Abd, Iliyasu, Abdullah M.

“…Smart cities and their applications have become attractive research fields birthing numerous technologies. Fifth generation (5G) networks are important…”
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A Highly Efficient Spectrum Sensing Approach Based on Antenna Arrays Beamforming by Hussein, Amr Hussein, Fouda, Hager Shawky, Abdullah, Haythem Hussein, Khalaf, Ashraf A. M.

“…In cognitive radio (CR), the sensitivity of the spectrum sensing (SS) algorithms depends mainly on several factors such as the receiver sensitivity, the…”
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Attitude and Altitude Nonlinear Control Regulation of a Quadcopter Using Quaternion Representation by Esmail, Manal S., Merzban, Mohamed H., Khalaf, Ashraf A. M., Hamed, Hesham F. A., Hussein, Aziza I.

“…Controlling a quadcopter is a challenging task because of the inherent high nonlinearity of a quadcopter system. In this paper, a new quaternion based…”
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Attitude and Altitude Tracking Controller for Quadcopter Dynamical Systems by Esmail, Manal S., Merzban, Mohamed H., Khalaf, Ashraf A. M., Hamed, Hesham F. A., Hussein, Aziza I.

“…Unmanned aerial vehicle quadcopters have applications in different real-life areas. They are nonlinear systems that necessitate the utilization of nonlinear…”
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The Multi-Optimized Parameter Technique for Near Online Automatic Determination of Geomagnetic Sudden Commencement Arrival Time by Elgiddawy, Sarah A., Hafez, Ali G., Lethy, Ahmed, Saad, Omar M., Khalaf, Ashraf A. M., Yoshikawa, Akimasa, Hamed, Hesham F. A.

“…This paper introduces a new technique in the automatic detection of storm sudden commencement (SC) using the discrete wavelet transform (DWT). A geomagnetic…”
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A review on brain tumor diagnosis from MRI images: Practical implications, key achievements, and lessons learned by Abd-Ellah, Mahmoud Khaled, Awad, Ali Ismail, Khalaf, Ashraf A.M., Hamed, Hesham F.A.

“…The successful early diagnosis of brain tumors plays a major role in improving the treatment outcomes and thus improving patient survival. Manually evaluating…”
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Quad ports flexible MIMO antenna with connected ground and high isolation for UWB applications by Aboelleil, Heba, Khalaf, Ashraf A. M., Ibrahim, Ahmed A.

“…This study proposes a flexible MIMO antenna with improved isolation and connected ground designed on a flexible substrate that makes it compatible with various…”
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A compact multiple-input multiple-output antenna with high isolation for wireless applications by Aboelleil, Heba, Ibrahim, Ahmed A., Khalaf, Ashraf A. M.

“…This paper presents a high-performance multiple-input multiple-output (MIMO) antenna with a compact size of 42 × 42 mm 2 . The proposed antenna operates in the…”
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Early diagnosis of Chikungunya virus utilizing square core photonic crystal fiber (SC-PCF) with extremely high relative sensitivity by Khedr, Omar E., Saad, Naira M., ElRabaie, ElSayed M., Khalaf, Ashraf A. M.

“…Chikungunya virus (CHIKV) poses a significant public health threat due to its capacity to cause widespread and debilitating outbreaks. The virus is responsible…”
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A survey on online learning for visual tracking by Abbass, Mohammed Y., Kwon, Ki-Chul, Kim, Nam, Abdelwahab, Safey A., El-Samie, Fathi E. Abd, Khalaf, Ashraf A. M.

“…Visual object tracking has become one of the most active research topics in computer vision, which has been growing in commercial development as well as…”
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A cascaded FBG scheme based OQPSK/DPSK modulation for chromatic dispersion compensation by Mustafa, Fathy M., Zaky, Sayed A., Khalaf, Ashraf A. M., Aly, Moustafa H.

“…The aim of this study is to present a proposed chromatic dispersion compensation model for single mode optical fiber. The proposed model consists of 4-stages…”
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Intelligent transportation system using wireless optical communication: a comparative study by El-Garhy, Suzan M., Khalaf, Ashraf A. M., Abaza, Mohammed, Aly, Moustafa H.

“…Intelligent Transportation Systems (ITSs) are being proposed, examined, and applied to enhance road safety and traffic efficiency. However, the automotive…”
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