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  2. Dynamic aperture - Wikipedia

    en.wikipedia.org/wiki/Dynamic_aperture

    A modern medical ultrasound machine has a typical F-number of 0.5. Side Scan Sonar systems produce images by forming angular “beams”. Beam width is determined by length of the sonar array, narrower beams resolve finer detail. Longer arrays with narrower beams provide finer spatial resolution.

  3. Functional ultrasound imaging - Wikipedia

    en.wikipedia.org/wiki/Functional_Ultrasound_Imaging

    Ultrasensitive Doppler has a typical 50-200 μm spatial resolution depending on the ultrasound frequency used. [2] It features temporal resolution ~10 ms, can image the full depth of the brain, and can provide 3D angiography. [10]

  4. Medical ultrasound - Wikipedia

    en.wikipedia.org/wiki/Medical_ultrasound

    The machine used is called an ultrasound machine, a sonograph or an echograph. The visual image formed using this technique is called an ultrasonogram, a sonogram or an echogram. Ultrasound of carotid artery. Ultrasound is composed of sound waves with frequencies greater than 20,000 Hz, which is the approximate upper threshold of human hearing. [1]

  5. Medical imaging - Wikipedia

    en.wikipedia.org/wiki/Medical_imaging

    Medical imaging is the technique and process ... of technology in clinical ultrasound machines. ... with an ultrasonic spatial resolution for deep imaging in (optical ...

  6. 3D ultrasound - Wikipedia

    en.wikipedia.org/wiki/3D_ultrasound

    A 3D ultrasound of a human fetus aged 20 weeks. 3D ultrasound is a medical ultrasound technique, often used in fetal, cardiac, trans-rectal and intra-vascular applications. 3D ultrasound refers specifically to the volume rendering of ultrasound data.

  7. Synthetic aperture ultrasound - Wikipedia

    en.wikipedia.org/wiki/Synthetic_Aperture_Ultrasound

    Synthetic aperture ultrasound (SAU) imaging is an advanced form of imaging technology used to form high-resolution images in biomedical ultrasound systems. Ultrasound imaging has become an important and popular medical imaging method, as it is safer and more economical than computer tomography (CT) and magnetic resonance imaging (MRI).

  8. Super-resolution photoacoustic imaging - Wikipedia

    en.wikipedia.org/wiki/Super-resolution_photo...

    This particular biomedical imaging modality is a combination of optical imaging, and ultrasound imaging. In other words, a photoacoustic (PA) image can be viewed as an ultrasound image in which its contrast depends on the optical properties, such as optical resolution of biomolecules like hemoglobin, water, melanin, lipids, and collagen.

  9. Ultrasonic transducer - Wikipedia

    en.wikipedia.org/wiki/Ultrasonic_transducer

    A curvilinear array ultrasonic transducer for use in medical ultrasonography Inside construction of a Philips C5-2 128 element curved array ultrasound sensor. Ultrasonic transducers and ultrasonic sensors are devices that generate or sense ultrasound energy. They can be divided into three broad categories: transmitters, receivers and transceivers.

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