• Photon-counting computed tomography (PCCT) is a form of X-ray computed tomography (CT) in which X-rays are detected using a photon-counting detector (PCD)...
    21 KB (2,584 words) - 16:36, 19 July 2025
  • Thumbnail for Photon counting
    Photon counting is a technique in which individual photons are counted using a single-photon detector (SPD). A single-photon detector emits a pulse of...
    13 KB (1,415 words) - 05:59, 15 September 2024
  • CT scan (redirect from Computed Tomography)
    A computed tomography scan (CT scan), formerly called computed axial tomography scan (CAT scan), is a medical imaging technique used to obtain detailed...
    155 KB (16,226 words) - 03:28, 8 August 2025
  • Single-photon may refer to: Photon counting devices capable of counting individual photons, for example: Superconducting nanowire single-photon detectors...
    391 bytes (76 words) - 15:15, 29 March 2021
  • Thumbnail for History of computed tomography
    The history of X-ray computed tomography (CT) traces back to Wilhelm Conrad Röntgen's discovery of X-ray radiation in 1895 and its rapid adoption in medical...
    48 KB (5,998 words) - 02:03, 8 August 2025
  • Thumbnail for Positron emission tomography
    techniques, much like the reconstruction of computed tomography (CT) and single-photon emission computed tomography (SPECT) data, are commonly used, although...
    74 KB (8,832 words) - 20:45, 8 August 2025
  • Thumbnail for MARS Bioimaging
    (MBI) is a medical imaging company focusing on spectral photon counting computed tomography for quantitative color imaging. The company was founded in...
    7 KB (619 words) - 00:37, 9 August 2024
  • Thumbnail for Quantum tomography
    Quantum tomography or quantum state tomography is the process by which a quantum state is reconstructed using measurements on an ensemble of identical...
    37 KB (5,525 words) - 04:36, 27 July 2025
  • Thumbnail for X-ray
    X-ray (redirect from HX photons)
    are paid a separate fee for each X-ray providing more X-rays. Early photon tomography or EPT (as of 2015) along with other techniques are being researched...
    116 KB (13,481 words) - 21:35, 8 August 2025
  • Spectral imaging (radiography) (category X-ray computed tomography)
    acceptable pileup levels at CT count rates begin to come within reach. Photon-counting mammography Photon-counting computed tomography Fredenberg, E. (2018)....
    45 KB (5,113 words) - 06:30, 25 May 2025
  • Thumbnail for Tomosynthesis
    Tomosynthesis (category X-ray computed tomography)
    of projections. Though this idea was displaced by the advent of computed tomography, tomosynthesis later gained interest as a low-dose tomographic alternative...
    13 KB (1,456 words) - 22:24, 29 May 2025
  • of plain radiographs with single- and dual-photon absorptiometry and with quantitative computed tomography". Arthritis & Rheumatism. 35 (9): 1062–1067...
    18 KB (2,459 words) - 18:53, 13 August 2023
  • Thumbnail for Medical imaging
    company EMI invented the X-ray computed tomography device for head diagnosis, which is commonly referred to as computed tomography (CT). The CT nucleus method...
    70 KB (8,309 words) - 20:41, 8 August 2025
  • Thumbnail for Scintillation counter
    spectroscopy Geiger counter Liquid scintillation counting Lucas cell Pandemonium effect Photon counting Scintigraphy Total absorption spectroscopy Wikimedia...
    14 KB (1,599 words) - 15:04, 14 January 2025
  • Quantum teleportation (category Quantum computing)
    (BSM) on photon b, the input photon, and photon c, her part of the entangled photon pair (photons c and d). Photon d, Bob's receiver photon, will contain...
    87 KB (11,157 words) - 00:45, 16 June 2025
  • Thumbnail for Ionizing radiation
    particles or electromagnetic waves that have enough energy per individual photon or particle to ionize atoms or molecules by detaching electrons from them...
    61 KB (6,605 words) - 20:00, 30 July 2025
  • Thumbnail for Superconducting nanowire single-photon detector
    a superconducting nanowire single-photon detector is the fastest single-photon detector (SPD) for photon counting. It is a key enabling technology for...
    49 KB (5,125 words) - 10:40, 21 June 2025
  • Thumbnail for Geiger counter
    Geiger counter (category Counting instruments)
    plateau, the correct operating voltage range for a Geiger–Müller tube Photon counting Radioactive decay, the process by which unstable atoms emit radiation...
    24 KB (2,925 words) - 14:18, 1 August 2025
  • growing. Computed tomography (CT) technologies include X-ray CT, positron emission tomography (PET) and single-photon emission computed tomography (SPECT)...
    21 KB (2,419 words) - 16:01, 17 July 2025
  • Thumbnail for Radioactive tracer
    and nuclear medicine, including single-photon emission computed tomography (SPECT), positron emission tomography (PET) and scintigraphy. The urea breath...
    21 KB (2,495 words) - 23:14, 29 April 2025
  • Thumbnail for Microscope
    instrument a viable imaging choice. They are often used in tomography (see micro-computed tomography) to produce three dimensional images of objects, including...
    32 KB (3,707 words) - 06:32, 19 July 2025
  • Thumbnail for Phase-contrast X-ray imaging
    its images. Standard X-ray imaging techniques like radiography or computed tomography (CT) rely on a decrease of the X-ray beam's intensity (attenuation)...
    112 KB (13,635 words) - 10:49, 30 June 2025
  • state consistent with those measurement results is computed. It is named by analogy with tomography, the reconstruction of three-dimensional images from...
    67 KB (8,316 words) - 08:05, 12 July 2025
  • Thumbnail for Proportional counter
    Proportional counter (category Counting instruments)
    proportional operation. If avalanches start to self-multiply due to UV photons as they do in a Geiger–Muller tube, then the counter enters a region of...
    11 KB (1,487 words) - 17:26, 7 February 2024
  • Thumbnail for Roentgen (unit)
    roentgen had had the attraction of being relatively simple to define for photons in air, but the gray is independent of the primary ionizing radiation type...
    23 KB (2,887 words) - 11:23, 8 July 2025
  • Thumbnail for Radionuclide
    This is used in some forms of tomography: single-photon emission computed tomography and positron emission tomography (PET) scanning and Cherenkov luminescence...
    28 KB (2,579 words) - 14:28, 5 August 2025
  • derived from basic metric value I.e., indirectly ionizing radiation such as photons and neutrons Originally known as the International X-ray Unit Committee...
    18 KB (2,270 words) - 03:17, 25 July 2025
  • performance in cone beam computed tomography (CBCT). Mathematical models of spectral and phase-contrast imaging performance for photon counting x-ray detectors...
    35 KB (3,973 words) - 08:24, 9 June 2025
  • Thumbnail for Single-pixel imaging
    biological samples. Coupled with the technique of time-correlated single photon counting (TCSPC), the use of single-pixel imaging for compressive fluorescence...
    20 KB (2,275 words) - 19:22, 23 May 2025
  • Thumbnail for Iterative reconstruction
    2D and 3D images in certain imaging techniques. For example, in computed tomography an image must be reconstructed from projections of an object. Here...
    16 KB (1,784 words) - 04:27, 26 May 2025