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Page "Medical imaging" ¶ 8
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imaging and modality
* Ultrasound laboratory research based on clinically diagnostic systems is a popular way of making use of a real-time, lower cost ( in comparison to MRI and CT ) imaging modality for study of biomedical applications and image processing techniques.
* Optical coherence tomography ( OCT ): This is an optical imaging modality based upon interference, and analogous to ultrasound.
Plain radiography was the only imaging modality available during the first 50 years of radiology.
Photoacoustic imaging is a recently developed hybrid biomedical imaging modality based on the photoacoustic effect.
Acoustic Radiation Force Impulse ( ARFI ) Imaging is another imaging modality being researched to non-invasively characterize liver stiffness,
* Computed tomographic colonography, an imaging modality of the colon using computed tomography
Cardiac imaging is a somewhat limited modality in defining afterload because it depends on the interpretation of volumetric data.
Theranostic probes – capable of detection and treatment of cancer in a single treatment-are nanoparticles that have binding sites on their shell that allow them to attach to a desired location ( typically cancerous cells ) then can be imaged through dual modality imagery ( an imaging strategy that uses x-rays and radionuclide imaging ) and through near-infrared fluorescence.
Ultrasound is today considered the imaging modality of choice for diagnosis and exclusion of intussusception due to its high accuracy and lack of radiation.
OsiriX is able to receive images transferred by DICOM communication protocol from any PACS or medical imaging modality ( STORE SCP-Service Class Provider, STORE SCU-Service Class User, and Query / Retrieve ).
The former means labeling the viruses with a contrast agent, being visible in some imaging modality, such as MRI or SPECT / PET and latter means visualising the marker gene of gene delivery vector to be visible by the means of immunohistochemical methods, optical imaging or even by PCR.
This imaging modality is inexpensive, involves no ionizing radiation and, in the hands of skilled ultrasonographers, may be very reliable.
Magnetic resonance imaging is the modality of choice for diagnosis of meniscal cysts.

imaging and utilizes
; Cardiovascular magnetic resonance imaging ( CMR ): Magnetic resonance imaging ( MRI ) of the heart that utilizes the ECG for gating and to look at specific mechanical functions of the heart.
X-ray computed tomography, also computed tomography ( CT scan ) or computed axial tomography ( CAT scan ), is a medical imaging procedure that utilizes computer-processed X-rays to produce tomographic images or ' slices ' of specific areas of the body.
Laser range gated imaging is another form of active night vision which utilizes a high powered pulsed light source for illumination and imaging.
A stress echocardiogram, also known as a stress echo or SE, utilizes ultrasound imaging of the heart to assess the wall motion in response to physical stress.
Despite being part of radiology, magnetic resonance imaging ( MRI ) functions through different principles and thus utilizes different contrast agents.
Transvaginal imaging utilizes a higher frequency imaging, which gives better resolution of the ovaries, uterus and endometrium ( the fallopian tubes are generally not seen unless distended ), but is limited to depth of image penetration, whereas larger lesions reaching into the abdomen are better seen transabdominally.
Similar to functional magnetic resonance imaging, which uses changes in the magnetic properties of blood resulting from oxygenation to form an image of brain activity, NIR utilizes the changes in blood translucence resulting from oxygenation to generate a signal that can be consciously manipulated in neurofeedback sessions.
One class commonly utilizes a radiolucent patient examination table with an under-table mounted tube and an imaging system mounted over the table, while the other is commonly referred to as a C-arm system used where greater flexibility in the examination process is needed such as neuro or cardiac imaging.

imaging and wide
These all require specialized equipment such as telescopes designed for precise imaging, for wide field of view ( such as Schmidt cameras ), or for work at specific wavelengths of light.
Sonographers are medical professionals who perform scans which are then typically interpreted by Radiologists, physicians who specialize in the application and interpretation of a wide variety of medical imaging modalities, or by Cardiologists in the case of cardiac ultrasonography ( echocardiography ).
The Mars Orbiter Camera ( MOC ) science investigation used 3 instruments: a narrow angle camera that took ( black-and-white ) high resolution images ( usually 1. 5 to 12 m per pixel ) and red and blue wide angle pictures for context ( 240 m per pixel ) and daily global imaging ( 7. 5 km per pixel ).
Fiduciary markers are used in a wide range of medical imaging applications.
Scientists here do research in the " basic, translational, and clinical neurosciences ", covering a wide range of topics, including " molecular biophysics, synapses and circuits, neuronal development, integrative neuroscience, brain imaging and neurological disorders ".
A mid-20th century innovation was catadioptric telescopes such as the Schmidt camera, which uses both a lens ( corrector plate ) and mirror as primary optical elements, mainly used for wide field imaging without spherical aberration.
Although theories are quickly becoming realities in today ’ s technological society, the range of possibilities for digital imaging is wide open.
Many of the techniques remain in wide use today, notably when imaging relatively bright targets.
The McDonald Observatory is equipped with a wide range of instrumentation for imaging and spectroscopy in the optical and infrared spectra, and operates the first lunar laser ranging station.
In refractive or diffractive optical systems, especially those imaging a wide spectral range, coma can be a function of wavelength, in which case it is a form of chromatic aberration.
Radar imaging by Goldstone in 2001 observed an ellipsoid 630 ± 60 m long and 250 ± 30 m wide.
In 1995, a Los Angeles Times article reported that the 8X program was intended as " a major upgrade to the KH-12 ", with a mass of as much as 20 tons, which would be used for detailed imaging with a wide field of view.
Hyperspectral imaging has been applied for a wide range of uses, including the remote investigation of plants and soils.
What was needed was large aperture cameras possessing wide fields of good imaging properties (" definition "), and fast focal ratios to decrease exposure times.
Kalman filters are an important software technique for building fault-tolerance into a wide range of systems, including real-time imaging.
NOFS has used NPOI to conduct a wide and diverse series of scientific studies, beyond just the study of absolute astrometric positions of stars ,; additional NOFS science at NPOI includes the study of binary stars, Be Stars, Oblate stars, rapidly rotating stars, those with starspots, and the imaging of stellar disks ( the first in history ) and flare stars.
The WA-Digitar is a wide angle lens designed for use with digital imaging systems.
Now known as Royal Consumer Information Products Inc., Royal ’ s product line has evolved to include cash registers, shredders, PDAs / electronic organizers, postal scales, weather stations, and a wide range of original and compatible / remanufactured imaging supplies supporting today ’ s most popular printers, faxes, and copiers.
Useful in a wide range of imaging applications that require both high speed and high sensitivity: earth observation satellites, inline monitoring and inspection, guidance, sorting, etc.
Each day it made 7. 3 Venus orbits, imaging a strip 17 – 28 kilometres ( 11 – 17 mi ) wide and long.

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