Results 11 to 20 of about 363,403 (295)

Reexamination of the mandibular and dental morphology of the Early Jurassic mammaliaform Hadrocodium wui [PDF]

open access: yesActa Palaeontologica Polonica, 2022
CT visualization of the mandible and dentition of Hadrocodium wui, a stem mammaliaform from the Lower Jurassic Lower Lufeng Formation of Yunnan, China has revealed new features not accessible by previous microscopic study of the fossil.
ZHE-XI LUO   +4 more
doaj   +1 more source

Potential of ultra-high-resolution photon-counting CT of bone metastases: initial experiences in breast cancer patients

open access: yesnpj Breast Cancer, 2021
Conventional CT scanners use energy-integrating detectors (EIDs). Photon-counting detector (PCD) computed tomography (CT) utilizes a CT detector technology based on smaller detector pixels capable of counting single photons and in addition discriminating
E. Wehrse   +9 more
doaj   +1 more source

ROOT PHENOTYPING FROM X-RAY COMPUTED TOMOGRAPHY: SKELETON EXTRACTION [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2021
Breakthrough imaging technologies are a potential solution to the plant phenotyping bottleneck in marker-assisted breeding and genetic mapping. X-Ray CT (computed tomography) technology is able to acquire the digital twin of root system architecture (RSA)
M. Herrero-Huerta   +5 more
doaj   +1 more source

X‐ray Stain Localization with Near‐Field Ptychographic Computed Tomography

open access: yesAdvanced Science, 2022
Although X‐ray contrast agents offer specific characteristics in terms of targeting and attenuation, their accumulation in the tissue on a cellular level is usually not known and difficult to access, as it requires high resolution and sensitivity.
Kirsten Taphorn   +9 more
doaj   +1 more source

Multiscale correlative tomography: an investigation of creep cavitation in 316 stainless steel [PDF]

open access: yes, 2017
Creep cavitation in an ex-service nuclear steam header Type 316 stainless steel sample is investigated through a multiscale tomography workflow spanning eight orders of magnitude, combining X-ray computed tomography (CT), plasma focused ion beam (FIB ...
A Delobbe   +31 more
core   +2 more sources

Algorithms for joint activity–attenuation estimation from positron emission tomography scatter

open access: yesEJNMMI Physics, 2019
Background Attenuation correction in positron emission tomography remains challenging in the absence of measured transmission data. Scattered emission data may contribute missing information, but quantitative scatter-to-attenuation (S2A) reconstruction ...
Yannick Berker   +2 more
doaj   +1 more source

Characteristic of x-ray tomography performance using CdTe timepix detector [PDF]

open access: yes, 2017
X-ray Computed Tomography (CT) is a non-destructive technique for visualizing interior features within solid objects, and for obtaining digital information on their 3-D geometries and properties.
Maneuski, D., O'Shea, V., Zain, R.M.
core   +1 more source

X-ray micro computed-tomography [PDF]

open access: yesCurrent Biology, 2017
Emily Baird and Gavin Taylor describe how you can make three-dimensional models of biological samples using x-ray micro-computed tomography.
Gavin J. Taylor, Emily Baird
openaire   +2 more sources

The impact of the COVID-19 pandemic on the structure of radiation diagnostics and collective doses of the population of the Russian Federation under medical irradiation in 2020

open access: yesРадиационная гигиена, 2022
Computed tomography has become the main method of early diagnostics of COVID-19 during the pandemic of the novel coronavirus infection. Based on results of computed tomography of the chest it is possible to diagnose viral pneumonia associated with COVIS ...
А. Yu. Popova   +5 more
doaj   +1 more source

Error sources [PDF]

open access: yes, 2017
In this chapter, an identification and classification of influence factors in X-ray computed tomography metrology is given. A description of image artefacts commonly encountered in industrial X-ray computed tomography is presented together with their ...
De Chiffre, Leonardo   +2 more
core   +1 more source

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