[PDF] Top 20 A geometric alternative to computed tomography
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A geometric alternative to computed tomography
... L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d’enseignemen[r] ... Voir le document complet
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Global S-wave tomography using receiver pairs: an alternative to get rid of earthquake mislocation
... and to second order on the epicentral ...are computed between well-chosen receiver ...insensitive to source mislocation parameters ...sensitive to model parameters of interest. We found that ... Voir le document complet
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A multi-resolution image reconstruction method in X-ray computed tomography
... the alternative algorithm and profile plots through the 25 µm and 50 µm holes outside the ...order to emphasize these artefacts and this shows another problem, i.e. a shift of the gray values between ... Voir le document complet
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Semiautomated 3D liver segmentation using computed tomography and magnetic resonance imaging
... interpolated to adjacent slices and led to excellent interobserver agreement in our ...landmarks to divide the he- patic ...proved to be difficult as the boundaries were defined somewhat arbi- ... Voir le document complet
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Exercise testing criteria to diagnose lower extremity peripheral artery disease assessed by computed-tomography angiography
... (AUC) to a reference value for discrete response when the AUC under the null hypothesis is ...the alternative hypothesis is ...used to study the relationship among: i) ABI and degrees of ... Voir le document complet
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A Morphological Study of Energetic Materials: Analysis of Micro-computed Tomography Images to Generate Representative Microstructures
... used to determine the intensity standard deviation parameter of the ...aims to distin- guish the wax binder from the RDX grains but also to individualize each grain of ...similarly to a ... Voir le document complet
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Variational segmentation of textile composite preforms from X-ray computed tomography
... necessitates a reliable knowledge of their inner structure. A su fficiently accurate description of the fabric geometry could be obtained using X-ray computed microtomography ( µCT) at the mesoscopic ... Voir le document complet
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Advanced Neuroimaging with Computed Tomography Scanning
... is a useful alternative to ...be a problem for MRI because the presence of a metallic implant carries a potential risk of electrode displacement or of heating under a high ... Voir le document complet
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Two Local FBP Algorithms for Helical Cone-beam Computed Tomography
... proposed to replace the ramp filter in the standard FDK algorithm on a circular trajectory by the first derivative operator and the Hilbert ...circular to helical scanning ...on a helical ... Voir le document complet
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A new method for measuring grain displacements in granular materials by X-ray computed tomography
... trend to under- stand their macro-scale behavior. X-ray imaging tomography is an efficient way to characterize the evolution at the scale of the grain during a mechanical ...used to ... Voir le document complet
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Global S-wave tomography using receiver pairs: An alternative to get rid of earthquake mislocation
... corresponds to σ 3D ∼ 3 ...limitations to the improvement of global tomographic ...an alternative, physically- based method to desensitize teleseismic long-period direct S-wave delay-times ... Voir le document complet
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Investigation on reconstruction methods applied to 3D terahertz computed tomography
... method to be able to visualize the different cross-sectional images and the final 3D volume of the ...Usually, a back-projection of the filtered projections (BFP) is employed as the standard ... Voir le document complet
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Temporal Tracking of Coronaries in Multi-slice Computed Tomography.
... 3D Geometric Moments ...carrying a balloon or a stent, aims to place this catheter at the atheromateous site while avoiding hurting the plaque, with the induced risks of ...clinician to ... Voir le document complet
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Automated Axial Right Ventricle to Left Ventricle Diameter Ratio Computation in Computed Tomography Pulmonary Angiography
... exemplifies a revisited paradigm related to the fully automatic computation of image-based biomarkers from standard clinical imaging ...initiatives to transform big data to clinical knowledge ... Voir le document complet
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VT Scan: Towards an Efficient Pipeline from Computed Tomography Images to Ventricular Tachycardia Ablation
... using a 64-slice clinical scanner (SOMATOM De nition, Siemens Medical Systems, Forchheim, Germany) between 1 to 3 days prior to the electro- physiological ...indication to undergo cardiac MDCT ... Voir le document complet
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Metal artifact reduction for intracranial projectiles on post mortem computed tomography
... designed to reduce metal artifacts are available and help improve image quality in the presence of metallic prostheses in different body areas [23—29] ...have a differ- ent composition than prosthetic ... Voir le document complet
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Using X-ray Computed Tomography to Describe the Dynamics of Nitrous Oxide Emissions during Soil Drying
... HAL Id: insu-01241590 https://hal-insu.archives-ouvertes.fr/insu-01241590 Submitted on 10 Dec 2015 HAL is a multi-disciplinary open access archive for the deposit and dissemination of sci- entific research ... Voir le document complet
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Reproducibility of a peripheral quantitative computed tomography scan protocol to measure the material properties of the second metatarsal
... response to normal muscle strain, and these can result in significant levels of morbidity ...applied to bone which has normal elastic resistance due to muscle fatigue ...prone to greater ... Voir le document complet
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Cone Beam Computed Tomography : fiabilité des mesures linéaires dans le diagnostic des résorptions internes
... Il a été complexe de se positionner systématiquement au même endroit de la dent pour réaliser les ...il a fallu déterminer avec précision l’endroit exact de la mesure à prendre, et réussir à répéter 5 fois ... Voir le document complet
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An improved spatial tracking algorithm applied to coronary veins into Cardiac Multi-Slice Computed Tomography volume.
... with a small delay, both the right ventricle (RV) and the left ventricle ...proposed a totally transvenous approach ...one to implant, due to the difficulty in accessing some pacing sites and ... Voir le document complet
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