Radiation Dose: Usefulness for Lung Nodule Detection. Hyun Jung Yoon, MD1, 2, Myung Jin .... first iterative reconstruction algorithms released for clinical use was the adaptive ..... Leipsic J, Nguyen G, Brown J, Sin D, Mayo JR. A prospective.
Hospital Svendborg, Valdemarsgade 53, Svendborg, Denmark. Email: [email protected]. Acta Radiologica Open. 5(12) 1â9 ! The Foundation Acta Radiologica. 2016.
research support (software, hardware), Research Assistant support; Consulting Fee or. Honorarium: GE Healthcare, Millennium Pharmaceuticals, CoAxia, ...
Feb 15, 2016 - 1Institute of Medical Engineering, University of Lübeck, Ratzeburger Allee 160, ..... law. This model correctly reflects the physical behavior for.
Radiology: Volume 266: Number 1âJanuary 2013 n radiology.rsna.org. 197. Filtered .... reconstruction time limits its ... perior [no influence on diagnosis]; and.
Métodos de reconstrucción volumétrica algebraica de imágenes tomográficas. Tesis PhD . Deans, R. (2007). The radon transform and some of its applications.
mail: [email protected]. Introduction. Adaptive Statistical Iterative Reconstruction (ASIR) is a new imaging reconstruction technique recently introduced by ...
Apr 16, 2010 - as signal, speech and video processing, high-speed data converters, and .... Finally, we note that the approach in [12] can also be viewed ...... digital signal processing, array signal processing, multirate filter bank and wavelet ...
performance of the proposed beamformer gets better and the iteration converges. Furthermore, the ... proposed beamformer has better performance than some classical and similar beamformers. .... There are many methods to solve the problem above, such
pling and the Paley-Wiener theorem on non-uniform sampling. 1. Introduction. In sampling theory, the main goal is to reconstruct a continuous function g ∈. C(R.
Grangeat P 1987 Analysis d'un systeme d'imagerie 3D par reconstruction a partir de X en geometrie conique PhD. Thesis l'Ecole Nationale Superieure des ...
3D Iterative Tomographic Reconstruction. Using Graphics Processors. S. A. Zolotarev and V. L. Vengrinovich. Institute of Applied Physics, National Academy of ...
D = â2câ1c2, E = 2câ1c3, F = â2câ2c3. (16) .... (V), focusing lenses (F) and interference filters (IF) in two ...... on the quantum channel between Alice and Bob).
Abstract. In this paper the iterative methods of image restoration are considered. These methods are based on the successive approximation algorithm with ...
Jan 11, 2012 - an iterative application of the short antirandom tests where the first ..... of this class, the. Fixed Size Candidate Set ART algorithm (FSCS-ART).
CV] 7 Mar 2016 ... To the best of our knowledge, there exists no pub- lished work which achieves these desirable features. ..... website, we failed to initialize the reconstruction for ran- ..... building of more practical and faster video CS imagers
Apr 11, 2013 - conditioned, e.g. ridge regression (RR), diagonal discriminant analysis ...... of the immune system recognition to mammary carcinoma antigen.
May 15, 2014 - School of Engineering and Applied Science ... in Emerging X-ray Imaging Technologies by ... the Graduate School of Arts & Sciences ..... 2.9 (Color online) Profiles through the center row of the reconstructed images in. Fig.
Sep 3, 2009 - David L. Donoho. Department of Statistics. Stanford ...... [47] Personal Communication, David Haussler. [48] D. L. Donoho, A. Maleki, I. Ur ...
May 24, 2014 - Jennifer W. Uyeda. Dushyant V. Sahani. Patino M, Fuentes JM, ...... Singh S, Kalra MK, Hsieh J, et al. Abdominal CT: comparison of adaptive ...
Nov 18, 2013 - of projection data in the presence of electronic background noise. The ndiTV prior term is ... (TV) minimization of the desired-image with piecewise constant assumption. ...... Imaging in Medicine 1: 65â84. 22. Sidky E, Kao C, ...
Jan 14, 2014 - The International Commission ... communication system diagnostic workstation (EISO; Eizo® ..... philips.com/global/Explore/White-Papers/.
May 30, 2018 - Recovering data from summary statistics: Sample ... 2Omnes Res, Charlottesville, Virginia ... observed in the form of image manipulation, notably of Western ..... statistics; the central panel displays the requested number of unique ..
(SPN) has constantly increased and the diagnosis accuracy of SPN has remained a ... 3 λHU values of venous phase in malignant SPN were higher than that of ...
Xiao et al. BMC Medical Imaging (2015) 15:54 DOI 10.1186/s12880-015-0096-6
RESEARCH ARTICLE
Open Access
A pilot study using low-dose Spectral CT and ASIR (Adaptive Statistical Iterative Reconstruction) algorithm to diagnose solitary pulmonary nodules Huijuan Xiao1†, Yihe Liu2†, Hongna Tan1, Pan Liang1, Bo Wang1, Lei Su1, Suya Wang1 and Jianbo Gao1*
Abstract Background: Lung cancer is the most common cancer which has the highest mortality rate. With the development of computed tomography (CT) techniques, the case detection rates of solitary pulmonary nodules (SPN) has constantly increased and the diagnosis accuracy of SPN has remained a hot topic in clinical and imaging diagnosis. The aim of this study was to evaluate the combination of low-dose spectral CT and ASIR (Adaptive Statistical Iterative Reconstruction) algorithm in the diagnosis of solitary pulmonary nodules (SPN). Methods: 62 patients with SPN (42 cases of benign SPN and 20 cases of malignant SPN, pathology confirmed) were scanned by spectral CT with a dual-phase contrast-enhanced method. The iodine and water concentration (IC and WC) of the lesion and the artery in the image that had the same density were measured by the GSI (Gemstone Spectral Imaging) software. The normalized iodine and water concentration (NIC and NWC) of the lesion and the normalized iodine and water concentration difference (ICD and WCD) between the arterial and venous phases (AP and VP) were also calculated. The spectral HU (Hounsfield Unit ) curve was divided into 3 sections based on the energy (40–70, 70–100 and 100–140 keV) and the slopes (λHU) in both phases were calculated. The ICAP, ICVP, WCAP and WCVP, NIC and NWC, and the λHU in benign and malignant SPN were compared by independent sample t-test. Results: The iodine related parameters (ICAP, ICVP, NICAP, NICVP, and the ICD) of malignant SPN were significantly higher than that of benign SPN (t = 3.310, 1.330, 2.388, 1.669 and 3.251, respectively, P 0.05); while in the venous phase, the 3 slopes of malignant SPN were significantly larger than that of benign SPN (P
