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Related Concept Videos

Computed Tomography01:10

Computed Tomography

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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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Ultrasonography is an imaging technique that uses high-frequency sound waves to visualize the body's internal structures. It is a non-invasive and safe procedure that does not involve the use of ionizing radiation, making it widely used in various medical fields. Ultrasonography is used to study heart function, blood flow in the neck or extremities, certain conditions such as gallbladder disease, and fetal growth and development.
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X-ray Imaging01:24

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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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IntroductionUltrasonography, or renal ultrasound, is a noninvasive medical imaging technique that uses high-frequency sound waves to visualize the kidneys, ureters, bladder, and surrounding tissues.Indications for Urinary System UltrasonographyUrinary system ultrasonography is indicated in various clinical scenarios, such as:Kidney Stones (Urolithiasis): To detect and monitor the size and presence of kidney or urinary tract stones.Hydronephrosis: To assess the dilation of the renal pelvis and...
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Imaging Studies III: Computed Tomography01:27

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DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...
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Imaging Biological Samples with Optical Microscopy01:18

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Optical microscopy uses optic principles to provide detailed images of samples. Antonie van Leeuwenhoek designed the first compound optical microscope in the 17th century to visualize blood cells, bacteria, and yeast cells. In 1830, Joseph Jackson Lister created an essentially modern light microscope. The 20th century saw the development of microscopes with enhanced magnification and resolution.
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Unconventional Imaging: introduction to the feature issue.

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    This collection explores unconventional imaging techniques presented at Information Photonics 2020. Key topics include digital holography, AI-driven imaging, compressive imaging, and single-pixel imaging for advanced optical applications.

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    Area of Science:

    • Optics and Photonics
    • Artificial Intelligence in Imaging

    Background:

    • The Information Photonics 2020 (IP'20) meeting convened experts in optical technologies.
    • The conference covered diverse areas like advanced displays, optical computing, and data storage.

    Purpose of the Study:

    • This feature issue focuses specifically on novel and unconventional imaging methods.
    • It highlights advancements presented at IP'20 in specialized optical imaging domains.

    Main Methods:

    • The issue compiles research on digital holography.
    • It includes studies on artificial-intelligence associated imaging techniques.
    • Compressive imaging and single-pixel imaging are also featured.

    Main Results:

    • The selected papers showcase cutting-edge developments in unconventional imaging.
    • These techniques offer new possibilities for data acquisition and image reconstruction.

    Conclusions:

    • The feature issue provides a snapshot of the latest research in advanced optical imaging.
    • It emphasizes the growing role of AI and novel techniques in the field of photonics.