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  • Imaging for Surgery, Therapy and Radiology (I-STAR) Lab

    The Imaging for Surgery, Therapy and Radiology (I-STAR) Lab is a collaborative research endeavor based in the Department of Biomedical Engineering at Johns Hopkins University. Research areas include: (1) Imaging physics: Mathematical models of imaging performance in advanced modalities, including cone-beam CT and spectral/dual-energy imaging, (2) 3-D image reconstruction: Advanced 3-D image reconstruction based on statistical models of the imaging chain and prior information, (3) Novel imaging systems: Preclinical prototypes translated from the laboratory to first application in diagnostic and interventional procedures, and(4) Image-guided interventions and diagnostic radiology: High-precision interventional guidance systems (for surgery, interventional radiology, and radiation therapy) and new technologies for high-quality diagnostic imaging.

    Research Areas: 3-D, physics, imaging, radiology, surgery, CT

  • Medical Imaging Physics Laboratory

    The Division of Medical Imaging Physics conducts state-of-the-art research in medical imaging physics, particularly in the areas of nuclear medicine, including PET and SPECT, CT and X-ray imaging. Our research aims to advance instrumentation technologies, image reconstruction techniques and image processing and analysis methods that lead to improved quality and quantitative accuracy in radiological images for better clinical diagnosis and other biomedical applications.

    Research Areas: nuclear medicine, imaging, medical imaging physics, radiology, x-ray, computed tomography

  • Quantitative Imaging Technologies

    Research in the Quantitative Imaging Technologies lab — a component of the Imaging for Surgery, Therapy and Radiology (I-STAR) Lab — focuses on novel technologies to derive accurate structural and physiological measurements from medical images. Our team works on optimization of imaging systems and algorithms to support a variety of quantitative applications, with recent focus on orthopedics and bone health. For example, we have developed an ultra-high resolution imaging chain for an orthopedic CT system to enable in-vivo measurements of bone microstructure. Our interests also include automated methods to extract quantitative information from images, including anatomical and micro-structural measurements, and shape analysis.

    Research Areas: physics, image reconstruction, orthopedic imaging, biomedical engineering, x-ray, quantitative imaging, bone health

    Principal Investigator

    Wojciech Zbijewski, M.S., Ph.D.

    Department

    Biomedical Engineering

  • Wojciech Zbijewski Lab

    Research in the Wojciech Zbijewski Lab — a component of the Imaging for Surgery, Therapy and Radiology (I-STAR) Lab — focuses on system modeling techniques to optimize the x-ray CT imaging chain. We’re specifically interested in: 1) using numerical models to improve the task-based optimization of image quality; 2) exploring advanced modeling of physics in statistical reconstruction; 3) using accelerated Monte Carlo methods in CT imaging; and 4) conducting experimental validation of such approaches and applying them to the development of new imaging methods.

    Research Areas: physics, image reconstruction, algorithms, imaging, x-ray

    Principal Investigator

    Wojciech Zbijewski, M.S., Ph.D.

    Department

    Biomedical Engineering

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