... Algorithms for ComputedTomography Gabor T Herman University of Pennsylvania 26.1 26.1 Introduction 26.2 The Reconstruction ... Maximization (EM) 26.9 Comparison of the Performance of Algorithms References Introduction Computedtomography is the process of reconstructing the interiors of objects from data collected based ... measure the radiation transmitted through or emitted from the structure at a number of points Computedtomography (CT) is the process of obtaining from these measurements the distribution of the...
... neighboring bone rotation on the various measurements of patellar tilting, through an axial computedtomography study, to help selecting a better measurement for patella tilting and implement ... analysis, comprising a total of 45 subject knees CT imaging All patients were examined with axial computedtomography on both knees in extension, with the quadriceps relaxed as well as contracted according ... FR: femoral rotation; and TR: tibial rotation and minus as internal rotation) As thus axial computedtomography images of patients with PFPS were analyzed to explore the relationship between the...
... three-dimensional computedtomography scapulas while in the cadaveric group was of 2,35 (ranging from 2,00 to 2,73) The "shortneck" group represented the 41,82% in the three-dimensional computedtomography ... three-dimensional computedtomography and cadaveric scapulas Mean index of length in the "short-neck" group was of 4,80 (ranging from 4,22 to 5,41) for the three-dimensional computedtomography scapulas ... computedtomography scapulas while in the cadaveric group were of 50° (ranging from 49,25° to 55°) Mean type II angle was of 64° (ranging from 60° to 70°) for the three-dimensional computed tomography...
... (n) 28 II III 24 26 26 IV 5 MDCT: multi-detector computedtomography List of abbreviations CT: Computed Tomography; MDCT: Multi-Detector Computed Tomography; MPR: Multiplanar Reformatted; MIP: ... Soslow RA, Chi DS: Characterization of adnexal masses using feature analysis at contrastenhanced helical computedtomography J Comput Assist Tomogr 2008, 32:533-540 20 Sohaib SA, Sahdev A, Van ... triple phase Precontrast scan of the upper abdomen; arterial phase using the Automatic Bolus Tracking System; portal phase yielded with a delay of 60 s after the arterial one The contrast medium...
... with a local contrastenhancement algorithm For local contrast enhancement, histogram equalization (HE)-based contrastenhancement algorithms, such as adaptive HE (AHE) [10] and contrast- limited ... adaptive contrast enhancements The adaptive luminance enhancement is employed to compress the dynamic range of the image and the adaptive contrastenhancement is applied to restore the contrast ... image enhancement However, the existent HE-based methods generally produce strong contrastenhancement and may lead to excessive artifacts when processing color images To achieve local contrast enhancement...
... staged ultrasound and computedtomography pathway Acad Emerg Med 2009, 16:1258-65 28 Hlibczuk V, Dattaro JA, Jin Z, Falzon L, Brown MD: Diagnostic accuracy of noncontrast computedtomography for appendicitis ... abdominal helical computedtomography on the rate of negative appendicitis J Emerg Med 2008, 34:7-11 Gwynn LK: The diagnosis of acute appendicitis: clinical assessment versus computedtomography evaluation ... triple contrast (oral, rectal, and IV) Patients were initially prepped with l of oral and 300 cc of rectal contrast (Bracco Diagnostics Inc., Princeton, NJ), followed by 145 cc of Isovue-300 IV contrast...
... with a local contrastenhancement algorithm For local contrast enhancement, histogram equalization (HE)-based contrastenhancement algorithms, such as adaptive HE (AHE) [10] and contrast- limited ... adaptive contrast enhancements The adaptive luminance enhancement is employed to compress the dynamic range of the image and the adaptive contrastenhancement is applied to restore the contrast ... image enhancement However, the existent HE-based methods generally produce strong contrastenhancement and may lead to excessive artifacts when processing color images To achieve local contrast enhancement...
... my pleasure to present the book titled ComputedTomography - Special Applications” Computedtomography (CT) and in particular multi-detector-row computedtomography (MDCT), is a powerful non-invasive ... contused areas and to follow the BBB state in these areas with time 26 ComputedTomography – Special Applications ComputedTomography (CT) scan, the iconographic gold standard to describe acute ... distress syndrome: lessons from computedtomography of the whole lung Crit Care Med;31(4 Suppl):S285-295 Lescot T, Bonnet MP, Zouaoui A, et al.(2005) A quantitative computedtomography assessment of...
... my pleasure to present the book titled ComputedTomography - Special Applications” Computedtomography (CT) and in particular multi-detector-row computedtomography (MDCT), is a powerful non-invasive ... contused areas and to follow the BBB state in these areas with time 26 ComputedTomography – Special Applications ComputedTomography (CT) scan, the iconographic gold standard to describe acute ... distress syndrome: lessons from computedtomography of the whole lung Crit Care Med;31(4 Suppl):S285-295 Lescot T, Bonnet MP, Zouaoui A, et al.(2005) A quantitative computedtomography assessment of...
... III Pocket Atlas of Sectional Anatomy ComputedTomography and Magnetic Resonance Imaging Volume II Thorax, Heart, Abdomen, and Pelvis Torsten ... diagnosis is no exception Technical improvements guarantee further developments in diagnosis Computedtomography (CT) and magnetic resonance imaging (MRI) have attained a recognized value in the...
... 1d) One potential consequence of the bicuculline-caused prolonged excitation was to decrease the contrast between the excitatory phase and the I2 period, thus resulting in a compromised coding ... rate, however, was much higher in C-PNs, suggesting the C-PNs followed the odor pulses with higher contrast under control conditions Nonetheless, application of bicuculline significantly impaired ... showed complete resolution of the repetitive odor pulses by these PNs up to s–1 (Figure 2f) In contrast, the same neurons started to lose odor-pulse tracking even at the rate of s–1 when bicuculline...
... multidetector row computedtomography (MDCT) and compared the parameters with those of conventional pigs In recent years, major technological improvements have been achieved in computedtomography (CT) ... detected by multidetector row computedtomography (MDCT) and echocardiography in conventional pigs and micropigs EF (%) MDCT (n = 3) Fig Left ventriculogram by computerized tomography (A: end-systolic ... Baum U Detection of coronary artery stenoses by contrast- enhanced, retrospectively electrocardiographically-gated, multislice spiral computedtomography Circulation 2001, 103, 2535-2538 Appel...
... xenotransplantation, as well as individual patients Fig (A) Contrast enhanced axial computedtomography (CT) images show relatively homogenous enhancement at the level of hepatic vein draining into ... monitoring low-dose scanning (120 kVp, 20 mAs) was initiated four seconds after contrast material injection Contrast material enhancement was automatically calculated by placing the region of interest ... liver and cell systems used to date have been much smaller than the normal human liver [14,28] Computedtomography (CT) is frequently used to evaluate graft size preoperatively in both potential...
... moderate in one case, severe in three patients and no hydrocephalus was present in one case (2) Computedtomography angiography (CTA) was applied to detect tumor staining, venous complex (VC, which ... Neurooncol 2010, 96(2):143-9 doi:10.1186/1477-7819-9-64 Cite this article as: Li et al.: Use of 3D -computed tomography angiography for planning the surgical removal of pineal region meningiomas using ... Neurosurgery 2002, 51(4 Suppl): S53-120 Suzuki Y, Nakajima M, Ikeda H, Abe T: Three-dimensional computedtomography angiography of the galenic system for the occipital transtentorial approach Neurol...
... documented in both planes (i) Radiography reveals no erosions at the corresponding sites CT, computed tomography; MCP, metacarpophalangeal; MRI, magneticresonance imaging; RA, rheumatoid arthritis; ... impression of the presence of anerosion, with the same configuration as on CT and radiography CT, computed tomography; MCP, metacarpophalangeal; MRI, magnetic resonance imaging; RA, rheumatoid arthritis; ... these modalities reflects true loss of calcified tissue, that is, are true erosions[26,27] Computedtomography (CT) is a tomographic radiographic imaging method that visualizes calcified tissue...