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Related Concept Videos

X-ray Imaging01:24

X-ray Imaging

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German physicist Wilhelm Röntgen (1845–1923) was experimenting with electrical current when he discovered that a mysterious and invisible "ray" would pass through his flesh but leave an outline of his bones on a screen coated with a metal compound. In 1895, Röntgen made the first durable record of the internal parts of a living human: an "X-ray" image (as it came to be called) of his wife’s hand. Scientists worldwide quickly began their own experiments with...
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Introduction: MRI and CT scans are crucial advancements in medical imaging techniques, playing a vital role in diagnosing conditions related to the gastrointestinal (GI) system. Each scan serves distinct purposes, targets specific areas, and requires unique nursing duties.
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Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...
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Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
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Related Experiment Video

Updated: Apr 27, 2026

X-ray Dose Reduction through Adaptive Exposure in Fluoroscopic Imaging
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Motion based X-ray imaging modality.

Krisztián Szigeti, Domokos Máthé, Szabolcs Osváth

    IEEE Transactions on Medical Imaging
    |June 22, 2014
    PubMed
    Summary

    A novel X-ray imaging technique visualizes internal motion with a new "kinetic" image, enhancing detail without increasing radiation dose. This breakthrough aids in medical imaging and non-destructive testing.

    Area of Science:

    • Medical Imaging
    • Biophysics
    • Materials Science

    Background:

    • Conventional X-ray imaging lacks the ability to visualize dynamic functional information.
    • Existing methods often require increased radiation or measurement time to capture motion.
    • Soft tissue contrast in X-ray imaging presents challenges for visualizing biological structures.

    Purpose of the Study:

    • To develop a novel X-ray imaging method for visualizing function-related motion information.
    • To create a "kinetic" image that highlights internal movements within an object or living body.
    • To improve error estimation in imaging by utilizing measured data.

    Main Methods:

    • Modification of existing X-ray imaging techniques to generate four distinct images.
    • Development of a new "kinetic" image to represent internal motions.

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  • Reconstruction of a "static" image comparable to conventional X-ray images.
  • Generation of error images for both static and kinetic reconstructions.

    • Main Results:

    • The new method provides four images, including a kinetic image, without increasing measurement time or radiation dose.
    • The kinetic image reveals motion-based contrast, visualizing previously inaccessible details.
    • Successful imaging of a working clock's mechanics and a frog's cardiopulmonary system, including heart, valves, aorta, and lungs.
    • The static image offers comparable information to conventional X-ray images.
    • Error images provide a more accurate estimation of data accuracy based on measurements.

    Conclusions:

    • The developed X-ray imaging method effectively visualizes internal motion and provides enhanced details.
    • This technology holds significant potential for applications in cardiopulmonary imaging, non-destructive testing, and security screening.
    • The ability to visualize function-related motion offers a new dimension to X-ray diagnostics and analysis.