ray computed tomography, also Computed Tomography (CT) or
QUALITATIVE EVALUATION OF AN INDUSTRIAL X-RAY COMPUTED TOMOGRAPHY SYSTEM
... of Computed Tomography (CT) has long been used for medical applications and material ...X-Ray Computed Tomography is a powerful imaging technique for viewing the interior of an object ...
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APPLICATION OF X-RAY COMPUTED TOMOGRAPHY IN SILICON SOLAR CELLS
... 2.2. Defects imaging in Aluminum and Sil- ver layers. X-ray computed tomography scanning was performed on industrial multicrystalline solar cells with screen printed and fired aluminum paste B. As ...
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X ray computed tomography for additive manufacturing: a review
... x-ray computed tomography (XCT) is examined, identifying the requirement for volumetric dimensional measurements in industrial verification of additively manufactured (AM) ...are also noted as ...
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X ray Computed Tomography for Micro Porosity in AZ91D Alloy
... Light Metals Solidification Processing Group, Institute for Structural and Engineering Materials, National Institute of Advanced Industrial Science and Technology, Nagoya 463-8560, Japan This research has been clarified ...
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X ray computed tomography and additive manufacturing in medicine: a review
... Abstract. The use of X-ray computed tomography (XCT) with additive manufacture (AM) within a medical context is examined in this review. The seven AM process families and various XCT scanning ...
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Using X-ray computed tomography to study paving materials
... X-ray computed tomography to study paving materials ...X-ray computed tomography, a non-destructive three- dimensional imaging tool, has been very helpful in medical diagnosis ...
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THE invention of X-ray computed tomography (CT) has
... phase-contrast computed tomography (DPC-CT) is a powerful analysis tool for soft-tissue and low- atomic-number ...operations, also sensitive to noise and ...
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Development of energy selective techniques in x ray computed tomography
... 1.2.4 X-ray detector The imaging geometry in Fig. 1.5 shows a detector that detects the X-rays after they have been transmitted through the sample. This X-ray radiation is polychromatic as mentioned in ...
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Instance segmentation and material classification in X-ray computed tomography
... 51 CHAPTER 5 Conclusion and Future Work In this thesis, we developed an instance segmentation and classification construction in X- ray CT purely in a machine learning way. Through our modification to the original ...
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Basics of Clinical X-Ray Computed Tomography
... • Trajectories: circle, sequence, spiral • Scan modes: standard, phase-correlated • Rebinning: azimuthal + longitudinal + radial. • Feldkamp-type: convolution + true 3D backprojection • [r] ...
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Positron Emission Tomography / Computed Tomography Program
... emission tomography / computed tomography (better known by its acronym PET/CT) is a medical imaging modality which combines in a single gantry system both Positron Emission Tomography (PET) ...
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Osteosarcoma follow-up: chest X-ray or computed tomography?
... analysis, also in this study, unilateral lesions of smaller size were more frequently detected in CT group, leading to a higher rate of surgical complete ...
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Modelling the penumbra in computed tomography
... Broadly speaking, errors in X-ray CT fall into five categories; geometric errors, measurement object factors, environmental issues, user parameter selection and equipment error. Geometric errors, resulting from ...
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Partially Coherent Lab Based X ray Micro Computed Tomography
... in Chapter 3. For weakly attenuating samples, intensity variation due to phase contrast is a significant fraction of the total signal. If phase contrast is incorrectly modelled, the reconstruction would not correctly ...
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Phase-Contrast Computed Tomography
... KSM: Besides the group itself, one of the attractions is the Munich Compact Light Source. The physics group I was working with in Australia was also doing phase-contrast X-ray imaging. I’m particularly ...
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An overview of computed tomography
... outside, by the experimenter.. Note that the measured signal is one-dimensional. whereas the conductivity distribution is inherently two-dimensional. It is not yet cle[r] ...
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4A Computed Tomography
... - Spatial resolution is not as good as with conventional x-ray images. - The derivation of the attenuation coefficients from measured trans- mittances requires a computer to propcess the measured data. - The medical ...
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4B Computed Tomography
... 6 follows from the sifting property of the line impulse (Ch... (25) is known as the Fourier-slice theorem or the projection-slice theorem..[r] ...
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4C Computed Tomography
... In backprojection, we assign the projection values to each point along the projection path. This backprojection is repeated for each projection ray and for all angles. The reconstructed image value for a ...
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Computed tomography of gliosarcoma
... Because of its sarcomatous component, gliosarcoma tends to present as a sharply defined, round or lobulated, hyperdense solid mass with relatively homogeneous contrast enhanceme[r] ...
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