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  1. No Access

    Article

    Density-based anti-clustering for scheduling D2D communications

    Wireless link scheduling in device-to-device (D2D) networks is an NP-hard problem. As a solution, multiple supervised deep learning (DL) models have been recently proposed, which depend on the geographical inf...

    Ahmed Elsheikh, Ahmed S. Ibrahim, Mahmoud H. Ismail in Wireless Networks (2024)

  2. No Access

    Chapter and Conference Paper

    Performance Analysis of a Green Hydrogen Production System in Several Coastal Locations in Egypt

    This paper presents a performance assessment of green hydrogen production in several coastal locations in Egypt. The assessment is based on a performance analysis of the potential for green hydrogen production...

    Mohamed Mohamed Elsakka, Ahmed Refaat in Engineering Solutions Toward Sustainable D… (2024)

  3. No Access

    Chapter and Conference Paper

    Exploring the Acceptance and Adoption of Humanoid Robots Among Older Adults: Systematic Review

    This research article systematically reviews older adults’ acceptance and adoption of humanoid robots. It investigates various aspects, including attitudes, barriers, enablers, benefits, applications, and inte...

    Ahmed Elsheikh, Dena A. Al-Thani in Design for Equality and Justice (2024)

  4. No Access

    Article

    Assessment of the specificity of corvis biomechanical index-laser vision correction (CBI-LVC) in stable corneas after phototherapeutic keratectomy

    The Corvis Biomechanical Index-Laser Vision Correction (CBI-LVC) is a biomechanical index to detect ectasia in post-refractive surgery patients (PRK, LASIK, SMILE). This study aims to evaluate the distribution...

    Riccardo Vinciguerra, Giuseppe Cancian, Renato Ambrósio Jr in International Ophthalmology (2023)

  5. Article

    Open Access

    Aetiology of long bone chronic osteomyelitis: an analysis of the current situation in one region in Egypt

    Chronic osteomyelitis (COM) is a devastating infection requiring a multidisciplinary approach, including radiology, microbiology, pathology, and orthopaedic surgery to treat. The present study analysed the bac...

    Ahmed Elsheikh, Akram Hashish, Mai Kamal in European Journal of Orthopaedic Surgery & … (2023)

  6. Article

    Open Access

    Role of 18F-FDG PET-CT in Pre-Operative Planning of Surgical Debridement in Chronic Osteomyelitis

    Osteomyelitis is a challenge in diagnosis and treatment. 18F-FDG PET-CT provides a non-invasive tool for diagnosing and localizing osteomyelitis with a sensitivity reaching 94% and specificity reaching 100%. W...

    Ahmed Elsheikh, Mostafa Elazazy, Mamdouh Elkaramany in Indian Journal of Orthopaedics (2022)

  7. Article

    Open Access

    The anterior cruciate ligament in murine post-traumatic osteoarthritis: markers and mechanics

    Knee joint injuries, common in athletes, have a high risk of develo** post-traumatic osteoarthritis (PTOA). Ligaments, matrix-rich connective tissues, play important mechanical functions stabilising the knee...

    Lorenzo Ramos-Mucci, Ahmed Elsheikh, Craig Keenan in Arthritis Research & Therapy (2022)

  8. Article

    Open Access

    Unintended changes in ocular biometric parameters during a 6-month follow-up period after FS-LASIK and SMILE

    Corneal refractive surgery has become reliable for correcting refractive errors, but it can induce unintended ocular changes that alter refractive outcomes. This study is to evaluate the unintended changes in ...

    Junjie Wang, Bernardo T. Lopes, Hechen Li, Riccardo Vinciguerra, Si Cao in Eye and Vision (2021)

  9. No Access

    Chapter and Conference Paper

    Deep Learning for Prediction of Complex Geology Ahead of Drilling

    During a geosteering operation the well path is intentionally adjusted in response to the new data acquired while drilling. To achieve consistent high-quality decisions, especially when drilling in complex env...

    Kristian Fossum, Sergey Alyaev, Jan Tveranger in Computational Science – ICCS 2021 (2021)

  10. Article

    Open Access

    Biomechanical diagnostics of the cornea

    Corneal biomechanics has been a hot topic for research in contemporary ophthalmology due to its prospective applications in diagnosis, management, and treatment of several clinical conditions, including glauco...

    Louise Pellegrino Gomes Esporcatte, Marcella Q. Salomão in Eye and Vision (2020)

  11. No Access

    Article

    Failure time prediction using adaptive logical analysis of survival curves and multiple machining signals

    This paper develops a prognostic technique called the logical analysis of survival curves (LASC). This technique is used to learn the degradation process of any physical asset, and consequently to predict its...

    Ahmed Elsheikh, Soumaya Yacout, Mohamed-Salah Ouali in Journal of Intelligent Manufacturing (2020)

  12. No Access

    Article

    POLYBiNN: Binary Inference Engine for Neural Networks using Decision Trees

    Convolutional Neural Networks (CNNs) and Deep Neural Networks (DNNs) have gained significant popularity in several classification and regression applications. The massive computation and memory requirements of...

    Ahmed M. Abdelsalam, Ahmed Elsheikh in Journal of Signal Processing Systems (2020)

  13. Article

    Open Access

    A viscoelastic anisotropic hyperelastic constitutive model of the human cornea

    A constitutive model based on the continuum mechanics theory has been developed which represents interlamellar cohesion, regional variation of collagen fibril density, 3D anisotropy and both age-related viscoe...

    Charles Whitford, Natalia V. Movchan in Biomechanics and Modeling in Mechanobiology (2018)

  14. Article

    Open Access

    Repeatability of corneal elevation maps in keratoconus patients using the tomography matching method

    To assess repeatability of corneal tomography in successive measurements by Pentacam in keratoconus (KC) and normal eyes based on the Iterative Closest Point (ICP) algorithm. The study involved 143 keratoconic...

    YaRu Zheng, LiFang Huang, Yi** Zhao, JunJie Wang, **aoBo Zheng in Scientific Reports (2017)

  15. Article

    Open Access

    Evaluating the repeatability of corneal elevation through calculating the misalignment between Successive topography measurements during the follow up of LASIK

    The study aims to evaluate, using the Iterative Closest Point (ICP) algorithm, the repeatability of successive corneal elevation measurements taken post-LASIK. Two topography maps of 98 LASIK participants were...

    **aoBo Zheng, WeiHua Yang, LiFang Huang, JunJie Wang, Si Cao in Scientific Reports (2017)

  16. Article

    Open Access

    Ex vivo testing of intact eye globes under inflation conditions to determine regional variation of mechanical stiffness

    The eye globe exhibits significant regional variation of mechanical behaviour. The aim of this present study is to develop a new experimental technique for testing intact eye globes in a form that is represent...

    Charles Whitford, Akram Joda, Steve Jones, Fangjun Bao, Paolo Rama in Eye and Vision (2016)

  17. Article

    Open Access

    Consideration of corneal biomechanics in the diagnosis and management of keratoconus: is it important?

    Keratoconus is a bilateral, non-inflammatory, degenerative corneal disease. The occurrence and development of keratoconus is associated with corneal thinning and conical protrusion, which causes irregular asti...

    FangJun Bao, Brendan Geraghty, QinMei Wang, Ahmed Elsheikh in Eye and Vision (2016)

  18. Article

    Open Access

    In vivo study of corneal responses to increased intraocular pressure loading

    The cornea is responsible for two-thirds of the eye's refractive power which is a function of the shape and refractive index. The aim of this present study is to examine human eyes in vivo for corneal shape ch...

    Ahmed Elsheikh, Charles W. McMonnies, Charles Whitford, Gavin C. Boneham in Eye and Vision (2015)

  19. Article

    Open Access

    Fast segmentation of anterior segment optical coherence tomography images using graph cut

    Optical coherence tomography (OCT) is a non-invasive imaging system that can be used to obtain images of the anterior segment. Automatic segmentation of these images will enable them to be used to construct pa...

    Dominic Williams, Yalin Zheng, Fangjun Bao, Ahmed Elsheikh in Eye and Vision (2015)

  20. No Access

    Chapter

    Age-Related Variation in the Biomechanical and Structural Properties of the Corneo-Scleral Tunic

    With increasing age, the mechanical performance of the and is impaired due to structural changes in the major structural proteins, namely , and elastin. In addition, the level of hydration in the tuni...

    Brendan Geraghty, Charles Whitford in Mechanical Properties of Aging Soft Tissues (2015)

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