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ShareScore release 0.9.0
Dataset results
43 results for “dual energy CT”
Dual energy CT scan of ordinary objects
<p>Dual energy CT scan of ordinary objects: wires, pen, fruits (orange, avocado), pastery, bacon, butter, cheese.</p> <p>The purpose of these scans is to enable experimenting with CT scans using various kernels and iterative reconstructions. For instance, studying metal artifacts at different energies, material identification using dual energy index, examining the relation between reconstruction kernel sharpness, iterative reconstruction strength and noise.</p> <p>The dataset also can be used to set up mock trials, e.g. where readers have to choose the sharpest image, or the one with least disturbing metal artifacts. Similarly, it could serve debug purposes, e.g. testing the workflow, DICOM readers, etc.</p> <p>Zenodo-get ( https://doi.org/10.5281/zenodo.1261812 ) could be used to download the whole record at once.</p>
Simulated industrial CT dataset for deep learning with dual-energy tomograms and ground truth material maps for copper and iron
<p>We use this dataset for training and evaluation of a deep learning model to discriminate multi-material systems with X-ray CT.</p> <p>The dataset consists of:</p> <ul> <li>inputs: dual-energy tomograms as binary files without a header (tensor <strong>shape for numpy: 2x128x128 @float32</strong>) <ul> <li>simulated spectra are 250kVp and 450kVp both prefiltered using 2mmCuSn</li> </ul> </li> <li>outputs: the material maps a.k.a. ground truths for the training (same shape as inputs) <ul> <li>sampled with a delaunay algorithm and randomly filled with iron and copper fractions</li> </ul> </li> </ul> <p>The <strong>dataset is normalized to [0, 1]</strong>, so you have to multiply by the mass densities of copper and iron to obtain effective fractions in g/cm^3.</p>
DICOM images of abdomen CT phantom in axial, helicoid, iterative and dual energy scans.
<p>The two ZIP files contain the images of a CT phantom of abdomen. DualEnergy.zip contains files of acquisition at 80 kVp and 140 kVp. The second file HelicalAxialIterative.zip contains acquisition done in axial, helicoidal (aka spiral) and iterative reconstruction (Saphire) modes. Axial images have AbdSeq in the name, Helicoidal have Abdomen and B in the filter name, Iterative have Abdomen and I in the filter name. You can compare Exposure in mAs for each acquisition modality, how it diminishes from sequential/helicoidal/axial through helicoidal/spiral to iterative. This scanner if programmed with iterative acquisition can still reduce exposure from helicoidal scan. The acquisition was done on Siemens-Healthineers Somatom Confidence CT scanner. </p> <p>Antonio Ortiz Lora antonio.ortiz.lora.sspa@juntadeandalucia.es</p> <p>Marcin Balcerzyk mbalcerzyk@us.es</p> <div class="ms-editor-squiggler"> </div>
Comparability of skeletal fibulae surfaces generated by different source scanning (dual-energy CT scan vs. high resolution laser scanning) and 3D geometric morphometric validation
<p><strong>SI_Appendix 1.</strong> Matrix of Cartesian coordinates of analyzed specimens.</p> <p><strong>SI_Appendix 2</strong>. Sample list and acquisition methods. </p>
Multi-parametric MRI and Dual-energy CT in Patients of Gastric Cancer
ClinicalTrials.gov study NCT05508126. IPD Sharing: NO. Countries: 1. Publications: 3.
Iodine Mapping Using Subtraction in Pulmonary Embolism CT Versus Dual-Energy CT
ClinicalTrials.gov study NCT02890706. IPD Sharing: UNDECIDED. Countries: 1. Publications: 8.
Diagnostic Accuracy of Dual-energy CT
ClinicalTrials.gov study NCT04585113. IPD Sharing: UNDECIDED. Countries: 1. Publications: 0.
Dual Energy CT: A New Method for Better Dose Calculation in Proton Beam Therapy
ClinicalTrials.gov study NCT02722109. IPD Sharing: NO. Countries: 0. Publications: 11.
Dual Energy CT as a Noninvasive Method to Screen for Gastroesophageal Varices
ClinicalTrials.gov study NCT03910413. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Dual-Energy CT on Plan Quality, Dose-delivery Accuracy, and Simulated Outcomes of Patients Treated With Proton or Photon Therapy
ClinicalTrials.gov study NCT03403361. IPD Sharing: NO. Countries: 1. Publications: 0.
Applications of Dual Energy CT in Patients With Osseous Metastases From Castrate-resistant Prostate Cancer
ClinicalTrials.gov study NCT03111914. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Dataset related to article: ENHANCING SOFT TISSUE DIFFERENTIATION WITH DIFFERENT DUAL-ENERGY CT SYSTEMS: A PHANTOM STUDY
<p><strong><span>The database includes the mean and standard deviation values of the CT numbers extracted from each slice and acquisition, after being reconstructed with the FBP and the iterative algorithms, for all tissue-equivalent inserts and all energy levels of the DECT, as well as for the SECT.</span></strong></p>
Characteristics of Culprit Lesion and Changes in Plaque Composition. A Dual Energy Cardiac CT Study
ClinicalTrials.gov study NCT02639962. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Quantitative Diagnosis of Fatty Liver by Dual Energy CT Technique
ClinicalTrials.gov study NCT00172705. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Dual-energy CT vs. MRI in the Evaluation of Squamous Cell Carcinomas of the Oral Cavity and Oropharynx
ClinicalTrials.gov study NCT07343271. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Differentiating the Invasiveness of Lung Adenocarcinoma by Dual Energy CT Parameter
ClinicalTrials.gov study NCT06441357. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Dual Energy Computerized Tomography (DE-CT) in Patients With Crohn's Disease
ClinicalTrials.gov study NCT02341755. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Screening Effect of Dual-energy CT Combined With Nasopharyngeal Endoscopy for Screening Nasopharyngeal Carcinoma
ClinicalTrials.gov study NCT05884983. IPD Sharing: NO. Countries: 1. Publications: 0.
Diagnostic Performance of Dual Energy CT for the Detection of Gallbladder Gallstones
ClinicalTrials.gov study NCT05704907. IPD Sharing: UNDECIDED. Countries: 1. Publications: 0.
Evaluation of Myocardial Viability : Dual Energy Cardiac CT vs. Cardiac MRI
ClinicalTrials.gov study NCT02360150. IPD Sharing: Not stated. Countries: 1. Publications: 0.
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