X-ray CT images
Saturated water conductivity estimation based on X-ray CT images – evaluation of the impact of thresholding errors
... 3D images of soil cores were thresholded using two different ...binarized images whereas saturated water con- ductivity was numerically estimated using the Navier-Stokes equation-based ...
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Development of 3D CAD/FEM Analysis System for Natural Teeth and Jaw Bone Constructed from X-Ray CT Images
... 460 images taken in 17 seconds, 239 CT images corresponding to the mandible used in this analysis were selectively input into the MF (Figure ...3D images ofthe mandible with teeth ...the ...
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Nondestructive Observation of Pore Structures of A1050 Porous Aluminum Fabricated by Friction Stir Processing
... decreased with increasing pore volume. The mean pore volumes were 6.56 mm 3 , 8.38 mm 3 and 17.87 mm 3 for FSP-S porous aluminum, FSP-L porous aluminum and ALPORAS, respectively. Thus, it was shown that the pores in ...
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Search | Preprints
... (mostly x-ray with very few CT/HRCT) processing technique have detected COVID-19 pneumonia with ...chest CT/HRCT images can be developed in near future to detect high risky COVID-19 ...
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Deep Learning Driven Automated Detection of COVID-19 from Radiography Images: A Comparative Analysis
... (for x-ray images) and concatenate with the original image [35, 48, ...In CT images, the lungs are segmented to focus on the infectious regions ...chest x-ray image ...
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A Review on CT and X-Ray Images Denoising Methods
... Secondly, we focus on method performance by as- sessing the execution time. Poisson denoising methods, such as MROF, ATV, ANLTV, PURE-LET, MS-VST and adaptive VST-based methods are designed on iterative manner, so their ...
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Controls on fault zone structure and brittle fracturing in the foliated hanging wall of the Alpine Fault
... (1) X-ray computed tomography (CT) images of drill core collected within 25 m of its principal slip zones (PSZs) during the first phase of the Deep Fault Drilling Project that were reoriented ...
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X-ray CT analysis of pore structure in sand
... If the diameter of a spherical element is equivalent to the pore diameter, its pore geometry must be a set of parallel lines or a rectangular shape. The area enclosed in dotted lines, as shown in Fig. 2d and e, was ...
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Detecting Leg Bone Fracture In X-Ray Images
... from X-Ray images using MATLAB ...(X-ray, CT, MRI, Ultrasound), X-ray diagnosis is commonly used for bone fracture detection due to their low cost, high speed and ...
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Imaging features in post-mortem x-ray dark-field chest radiographs and correlation with conventional x-ray and CT
... a CT finding in a pulmonary lobe to dark-field signal changes in a lung zone of a radio- ...studies. X-ray dark-field im- aging was performed in supine position, which leads to dystelectasis in the ...
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Analysis of Image Processing for Digital X Ray
... doctors. X-rays are ionized forms of radiation which capture the image using ...or CT scans are used which are more expensive for viewing the detailed ...information. X-rays images do not give ...
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PET/CT onboard dual-modality imaging, X-ray radiation,
... existing CT image-guided small animal precision X-ray radiation therapy system ...dual-modality images to guide the therapy, and provide substantially improved beam targeting accuracy and ...
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Pre-surgical radiologic identification of peri-prosthetic osteolytic lesions around TKRs: a pre-clinical investigation of diagnostic accuracy
... comparing CT and AP/lateral (P = 0.08) and CT versus AP/ lateral and oblique X-rays (P = ...oblique X-rays in comparison to AP/lateral images alone (P = ...large). CT was shown ...
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Targeted gold nanoparticles enable molecular CT imaging of cancer: an in vivo study
... vivo X-ray computed tomography (CT) volume-rendered images of (A) mouse before injection of gold nanoparticles (GNPs), (B) mouse 6 hours postinjection of nonspecific immunoglobulin G GNPs as a ...
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Registration error of the liver CT using deformable image registration of MIM Maestro and Velocity AI
... study, the metallic markers were implanted close to the tumor, with a range of 5–33.7 (median: 12.0) mm. Thus, we consider the metallic markers to act as sur- rogates of the fiducial registration error in DIR. There may ...
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Material Identification and Quantification in Spectral X-ray Micro-CT.
... The libraries themselves are an integral part to material identification. Libraries and their constituents could also be considered as a training set or a series of basis functions. In this instance, the libraries are ...
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The application of proton computed tomography to reduce proton therapy range uncertainties
... the x-ray CT scans of the RMI phantom, donut phantom and the water chamber are shown in figure ...their x-ray attenuation is stronger than material in the soft tissue ...
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Effects of X ray dose on rhizosphere studies using X ray computed tomography
... 1980s. X-ray CT enables researchers to simultaneously visualise and quantify the heterogeneous soil matrix of mineral grains, organic matter, air-filled pores and water-filled ...Additionally, ...
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The clinical effectiveness and cost effectiveness of computed tomography screening for lung cancer : systematic reviews
... Screening for lung cancer has been the subject of debate for the past three decades. This has largely stemmed from the results of chest X-ray screening studies where improvements in survival were obtained ...
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Integrating eFAST in the initial management of stable trauma patients: the end of plain film radiography
... Results: Amongst 430 patients, 148 fulfilled the stability criteria (stability criteria group) of which 122 (82 %) had no X-rays in the trauma bay. No diagnostic failure with an immediate clinical impact was ...
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