[PDF] Top 20 Assessment of Image Quality Parameters for Computed Tomography in Sudan

... the computed tomography scan to evaluate the image quality in CT ...in Sudan at Khrtoum State in the CT depart- ments of Antalya medical center, Elnileen diagnostic center and Al Amal ... See full document

... algorithm, image noise and window settings used to display the ...the image of a homogenous material ...the image corresponds to a specific HU ... See full document

... sinuses, computed tomography (CT) is a gold standard method to assess the exact anatomy of sinuses ...an image as separate slices, as in MDCT, CBCT produces a cone-shaped X-ray beam that makes it ... See full document

... shaped beams in CBCT lead to artifacts in all dimensions around the metallic objects [10,11]. As one goal in use of CBCT is accurate measurement and observation of anatomical structural details, evaluation of methods ... See full document

... diagnostic image quality, are in agreement with the in vitro study by Köhler et ...poorer image quality was reported for the platinum-iridium and tantalum stents due to blooming ...on ... See full document

... object. Computed tomography, unlike previously described radiographic imaging modalities, removes the superimposition of tissues, and distinguishes between two materials with similar ...Cone-beam ... See full document

... of computed tomography (CT) technology has made CT a versatile and efficient diagnostic ...physical parameters, such as tube potential, tube current and pitch ...compromising image ... See full document

... Abstract: Image compression which is a subset of data compression plays a crucial task in medical ...update parameters are considered in conjugate gradient ... See full document

... of image quality will be helpful for designing ASiR ™ -enhanced paediatric CT proto- cols, balancing image quality and radiation ...of image noise, CT number ac- curacy and uniformity, ... See full document

... quantitative assessment of the di- agnostic quality of non-contrast abdominal computed tomography (CT) images generated by Adaptive Statistical Iterative Reconstruction (ASIR, GE Healthcare, ... See full document

... high-quality image, the enormous observance of CT in medical di- agnosis delivers radiation doses to patients that are alarmingly higher than other mo- ... See full document

... As shown in Fig. 1(a), although the fiducial registra- tion errors of MIM and Velocity were similar overall, they were not necessary closely correlated, and for some patients either MIM or Velocity had a distinct ... See full document

... and quality of ...daily quality of life even when “well” be- cause of anxiety around exacerbations and the modifying of activity and future plans due to risk of exacerbations ... See full document

... therapies, assessment of the volume of the tumor might be critical [12, ...the assessment of neoadjuvant chemoradiotherapy effects and even add prognostic information [13, ... See full document

... histogram and the SOI, which ensures that all structures close to the SOI are visible. In this case, 57 slices are used as the depth D; (e) based on the D, an opacity weight curve with logistic function shape, where the ... See full document

... More sensitive assessment tools have both advantages and limitations [3]. Infrared thermography and laser dop- pler flowmetry present with high sensitivity but low speci- ficity in detecting active LS lesions as ... See full document

... Results: Five studies had eligibility for analyzing effectiveness. The meta-analysis results showed that diagnosis difference of MRE and CTE, for diagnosing active CD (0.03 CI 95% -0.07–0.13), fistula (-0.01 CI 95% ... See full document

... emission tomography/computed tomography (PET/CT) examination showed an active nodule between the heart and the diaphragm suggestive of lymph node metastases, involving the parietal pericardium ... See full document

... background image texture characteristics. There are different image texture regions like homogeneous image texture region, complex image texture region and edge image texture ... See full document

... ADC: apparent diffusion coefficient; CT: computed tomography; CTA: computed tomography angiography; CTAP: computed tomography during arterial portgraphy; HCC: hepatocellular carcinoma; H[r] ... See full document