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High-Resolution Computed Tomography

In Vivo Measurements of Cortical Thickness and Porosity at the Proximal Third of the Tibia Using Guided Waves: Comparison with Site-Matched Peripheral Quantitative Computed Tomography and Distal High-Resolution Peripheral Quantitative Computed Tomography

In Vivo Measurements of Cortical Thickness and Porosity at the Proximal Third of the Tibia Using Guided Waves: Comparison with Site-Matched Peripheral Quantitative Computed Tomography and Distal High-Resolution Peripheral Quantitative Computed Tomography

... quantitative computed tomography, Dual-energy X-ray ...compartments. High-resolution peripheral quantitative computed tomogra- phy (HR-pQCT) is an advanced in vivo imaging ...

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Changes in bone macro- and microstructure in diabetic obese mice revealed by high resolution microfocus X-ray computed tomography.

Changes in bone macro- and microstructure in diabetic obese mice revealed by high resolution microfocus X-ray computed tomography.

... the high fat diet (HFD) mouse model of obesity-driven ...desktop high resolution microfocus X-ray computed tomography (HR-microCT) ...at high resolution in a time and cost ...

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Surfactant Protein C Gene (SFPTC) Mutation-Associated Lung Disease: High-Resolution Computed Tomography (HRCT) Findings and its Relation to Histological Analysis: HRCT and histological finding of SFTPC mutations

Surfactant Protein C Gene (SFPTC) Mutation-Associated Lung Disease: High-Resolution Computed Tomography (HRCT) Findings and its Relation to Histological Analysis: HRCT and histological finding of SFTPC mutations

... For Peer Review HRCT scan and image analysis CT examinations were performed with two helical scanners and two multidetector CT scanners. In Armand Trousseau hospital, Elscint (CT Twin) with scan acquisition at 120 kV, ...

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Significant dose reduction using synchrotron radiation computed tomography: first clinical case and application to high resolution CT exams

Significant dose reduction using synchrotron radiation computed tomography: first clinical case and application to high resolution CT exams

... In order to further increase the SNR in soft tissues whilst keeping a high image quality in the bone tissues, we implemented a multi-component reconstruction procedure. For each sinogram, we process bone and soft ...

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Micro computed tomography for vascular exploration.

Micro computed tomography for vascular exploration.

... very high spatial resolution, capable of differentiating large as well as small vessels, in both in vivo and ex vivo ...Micro Computed Tomography (micro-CT) has emerged in recent years as the ...

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ECG-gated computed tomography to detect patients with post-capillary pulmonary hypertension

ECG-gated computed tomography to detect patients with post-capillary pulmonary hypertension

... With our automated segmentation software we obtained the peak filling rate and Ea-like wave. We expected the ratio of PFR/Ea-like to provide the LV pressure estimation as E/Ea. However both the Ea-like wave and PFR ...

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Adapted sampling for 3D X-ray computed tomography

Adapted sampling for 3D X-ray computed tomography

... NTRODUCTION Computed tomography (CT) scanners data are basically reconstructed with the gold standard Feldkamp (FDK) algo- rithm ...: high spatial resolution means thin 3D grids and leads to ...

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Deep Learning-Based Super-Resolution Applied to Dental  Computed Tomography

Deep Learning-Based Super-Resolution Applied to Dental Computed Tomography

... beam computed tomography (CBCT), where the typical resolution is around 500 µm because of partial volume effect, noise, and beam hardening ...sufficient resolution for precise segmentation of ...

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A multi-resolution image reconstruction method in X-ray computed tomography

A multi-resolution image reconstruction method in X-ray computed tomography

... higher resolution at a position where the projections are transversally ...low resolution data is combined with the high resolution data in the Radon space and the claim is that faster and ...

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Two Local FBP Algorithms for Helical Cone-beam Computed Tomography

Two Local FBP Algorithms for Helical Cone-beam Computed Tomography

... Keywords: helical X-ray computed tomography, region-of-interest, transverse truncations, advanced Feldkamp- Davis-Kress (FDK) algorithm, ramp filter 1. Introduction During X-ray data acquisition, the ...

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Semiautomated 3D liver segmentation using computed tomography and magnetic resonance imaging

Semiautomated 3D liver segmentation using computed tomography and magnetic resonance imaging

... are computed from the distribution of minimal distances between each surface point of the semiautomated segmentation and surface points from its corresponding manual segmentation; a value of 0 mm represents the ...

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Variational segmentation of textile composite preforms from X-ray computed tomography

Variational segmentation of textile composite preforms from X-ray computed tomography

... The resolution and the dynamic of the µCT will also directly influence the cal- 5 culation of the local directions. More precisely, the image should exhibit enough texture to allow the computation of the structure ...

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Bone age estimation based on multislice computed tomography study of the scapula

Bone age estimation based on multislice computed tomography study of the scapula

... ossification center less than stage 2 were aged less than 18 years old. The main limitation of our study was the lack of informa- tion about ethnic origin and socioeconomic level of the indi- viduals. Reference methods ...

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Computed tomography diagnosis of pituitary abscess in a dairy cow

Computed tomography diagnosis of pituitary abscess in a dairy cow

... Computed tomography diagnosis of pituitary abscess in a dairy co Computed tomography diagnosis of pituitary abscess in a dairy co w w Guyot ...

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High-resolution ambient-noise and earthquake surface-wave tomography of the Alps Apennines and Dinarides

High-resolution ambient-noise and earthquake surface-wave tomography of the Alps Apennines and Dinarides

... Around 84 Ma, spreading in the Alpine Tethys had stopped and subduction of its western Ligurian part began towards the east, probably linked to the subduction at the northern boundary of Africa (Fig. 1.3 Handy et al., ...

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Bone age estimation based on multislice computed tomography study of the scapula

Bone age estimation based on multislice computed tomography study of the scapula

... Recent progress in medical imaging has opened new direc- tions of research in forensic anthropology, especially in the context of bone age study. Several studies for estimation of bone age with CT analysis have been ...

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Cone Beam Computed Tomography : fiabilité des mesures linéaires dans le diagnostic des résorptions internes

Cone Beam Computed Tomography : fiabilité des mesures linéaires dans le diagnostic des résorptions internes

... Beam Computed Tomography : fiabilité des mesures linéaires dans le diagnostic des résorptions internes Résumé : La résorption dentaire est une pathologie relativement rare et difficile à diagnostiquer ...

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Metal artifact reduction for intracranial projectiles on post mortem computed tomography

Metal artifact reduction for intracranial projectiles on post mortem computed tomography

... [14—20] . Although the exact prevalence is unknown, the presence of retained metal fragments in the head following gunshot wounds is frequent. Metallic foreign bodies are an impor- tant source of artifact on CT, ...

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Variability of Child Rib Bone Hounsfield Units using in vivo Computed Tomography

Variability of Child Rib Bone Hounsfield Units using in vivo Computed Tomography

... quantitative computed tomography) relationships have been found either on vertebral cancellous bone [15] or on femoral cortical bone [16]), but no similar relationships have been proposed for the  ...

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On the data dependent filtration techniques in the single-photon emission computed tomography

On the data dependent filtration techniques in the single-photon emission computed tomography

... emission computed tomography (SPECT) one considers a body containing radioactive isotopes emitting ...transmission computed tomography (under some conditions, this coefficient can be also ...

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