Now showing items 1-17 of 17

    • Adaptive artifact removal for selective multistatic microwave breast imaging signals 

      Elahi, Muhammad Adnan; Glavin, Martin; Jones, Edward; O'Halloran, Martin (Elsevier, 2017-02-01)
      Microwave imaging is one of the most promising alternative breast imaging modalities. Early-stage artifact removal is an important signal processing component of a microwave breast imaging system. In this paper, a monostatic ...
    • An anatomically accurate dielectric profile of the porcine kidney 

      Salahuddin, Saqib; La Gioia, Alessandra; Shahzad, Atif; Elahi, Muhammad Adnan; Kumar, Arun; Kilroy, David; Porter, Emily; O'Halloran, Martin (IOP Publishing, 2018-02-26)
      Microwave ablation is a promising treatment for kidney cancer. Accurate knowledge of the dielectric properties of biological tissues is vital for quantifying the safety, reliability and accuracy of ablation, among other ...
    • Comparison of in-vivo and ex-vivo dielectric properties of biological tissues 

      Salahuddin, Saqib; La Gioia, Alessandra; Elahi, Muhammad Adnan; O'Halloran, Martin; Shahzad, Atif (Curran Associates Proceedings, 2017-09-11)
      Accurate knowledge of the dielectric properties of biological tissues are crucial for various applications such as assessment of specific absorption rate and safety of electromagnetic medical devices. Most of the ...
    • Comparison of radar-based microwave imaging algorithms applied to experimental breast phantoms 

      Elahi, Muhammad Adnan; Lavoie, B. R.; Porter, Emily; Glavin, Martin; Jones, E.; Fear, E. C.; O'Halloran, Martin (Union Radio-Scientifique Internationale, 2017-08-19)
      Microwave imaging is a promising imaging modality for the early detection of breast cancer. The two most important signal processing components of a radar-based microwave imaging system are the early-time artifact removal ...
    • Dielectric characterization of diseased human trabecular bones at microwave frequency 

      Amin, Bilal; Shahzad, Atif; Farina, Laura; Parle, Eoin; McNamara, Laoise; O'Halloran, Martin; Elahi, Muhammad Adnan (Elsevier, 2020-02-07)
      The objective of this study is to determine whether in vitro dielectric properties of human trabecular bones, can distinguish between osteoporotic and osteoarthritis patients' bone samples. Specifically this study enlightens ...
    • Dielectric properties of bones: A potential indicator for osteoporosis 

      Amin, Bilal; Elahi, Muhammad Adnan; Porter, Emily; Shahzad, Atif; O'Halloran, Martin (National University of Ireland Galway, 2018-01-26)
      Osteoporosis is one of the major bone disease that results into bone fragility and fractures. Approximately 300,000 people over the age of 50 years suffer from osteoporosis in Ireland. Osteoporosis is mainly caused due ...
    • A feasibility study on microwave imaging of bone for osteoporosis monitoring 

      Amin, Bilal; Shahzad, Atif; Crocco, Lorenzo; Wang, Mengchu; O'Halloran, Martin; González-Suárez, Ana; Elahi, Muhammad Adnan (Springer, 2021-03-30)
      The dielectric properties of bones are found to be influenced by the demineralisation of bones. Therefore, microwave imaging (MWI) can be used to monitor in vivo dielectric properties of human bones and hence aid in the ...
    • An insight into bone dielectric properties variation: a foundation for electromagnetic medical devices 

      Amin, Bilal; Elahi, Muhammad Adnan; Shahzad, Atif; Parle, Eoin; McNamara, Laoise; O'Halloran, Martin (Institute of Electrical and Electronics Engineers, 2018-09-10)
      Dielectric properties of bones have recently got significant attention to monitor bone quality. This paper reports in-vitro dielectric properties of human trabecular bone samples obtained from osteoporotic and osteoarthritic ...
    • Investigating human bone microarchitecture and dielectric properties in microwave frequency range 

      Amin, Bilal; Shahzad, Atif; Farina, Laura; Parle, Eoin; McNamara, Laoise; O'Halloran, Martin; Elahi, Muhammad Adnan (Institute of Electrical and Electronics Engineers, 2019-03-31)
      Dielectric properties of bones are proposed to monitor bone quality. However, no study has investigated the relationship between bone dielectric properties and microarchitecture of bone, which is of paramount importance ...
    • Investigation of histology radius for dielectric characterisation of heterogeneous materials 

      La Gioia, Alessandra; O'Halloran, Martin; Elahi, Muhammad Adnan; Porter, Emily (Institute of Electrical and Electronics Engineers, 2018-07-13)
      Knowledge of the dielectric properties of biological tissues is fundamental in the design of novel electromagnetic-based medical devices. Tissue dielectric properties are typically measured using the open-ended coaxial ...
    • An investigation of the variation of dielectric properties of ovine lung tissue with temperature 

      Bonello, Julian; Elahi, Muhammad Adnan; Porter, Emily; O'Halloran, Martin; Farrugia, Lourdes; Sammut, Charles V. (IOP Publishing, 2019-06-24)
      Presently, lung cancer is the leading cause of cancer deaths. Microwave thermal ablation is commonly used for the treatment of lung cancer. During microwave ablation treatment, changing temperatures (up to 100 °C) cause ...
    • Microwave bone imaging: A preliminary investigation on numerical bone phantoms for bone health monitoring 

      Amin, Bilal; Shahzad, Atif; O'Halloran, Martin; Elahi, Muhammad Adnan (MDPI, 2020-11-05)
      Microwave tomography (MWT) can be used as an alternative modality for monitoring human bone health. Studies have found a significant dielectric contrast between healthy and diseased human trabecular bones. A set of diverse ...
    • Microwave bone imaging: experimental evaluation of calcaneus bone phantom and imaging prototype 

      Amin, Bilal; Sheridan, Colin; Kelly, Daniel; O'Halloran, Martin; Elahi, Muhammad Adnan (Institute of Electrical and Electronics Engineers, 2020-12-14)
      Microwave imaging (MWI) can be used as an alternate imaging modality for monitoring bone health. Evaluation and characterization of MWI prototype is a precursor step before in vivo investigation of bone dielectric ...
    • Microwave calcaneus phantom for bone imaging applications 

      Amin, Bilal; Kelly, Daniel; Shahzad, Atif; O'Halloran, Martin; Elahi, Muhammad Adnan (Institute of Electrical and Electronics Engineers, 2020-03-15)
      Microwave imaging can be used as an alternate modality for monitoring bone health. Dielectrically accurate, anthropomorphic phantoms play vital role in testing of imaging prototype prior to clinical applications. However, ...
    • Microwave thermal ablation: focusing energy in target tissue using fat layer 

      Bottiglieri, Anna; Farina, Laura; Shahzad, Atif; O'Loughlin, Declan; O'Halloran, Martin; Elahi, Muhammad Adnan (Institute of Electrical and Electronics Engineers, 2019-03-31)
      Microwave thermal ablation therapy is a minimally invasive technique introduced in the interventional oncology practice to treat a range of cancerous pathologies. Whereas satisfying results are obtained with the treatment ...
    • Performance of leading artifact removal algorithms assessed across microwave breast imaging prototype scan configurations 

      Elahi, Muhammad Adnan; Curtis, C.; Lavoie, B.R.; Glavin, Martin; Jones, Edward; Fear, E.; O’Halloran, Martin (Elsevier, 2017-03-02)
      Microwave imaging is a promising imaging modality for the detection of early-stage breast cancer. One of the most important signal processing components of microwave radar-based breast imaging is early stage artifact ...
    • A review of the dielectric properties of the bone for low frequency medical technologies 

      Amin, Bilal; Elahi, Muhammad Adnan; Shahzad, Atif; Porter, Emily; O'Halloran, Martin (IOP Publishing, 2019-01-07)
      The dielectric properties are key parameters that quantify the interaction between electromagnetic waves and human biological tissues. In particular, the development of electromagnetic-based medical technologies rely on ...