iterative reconstruction
Radiation Dose Reduction in Temporal Bone CT with Iterative Reconstruction Technique
... sharper reconstruction kernels. Iterative reconstruction is an image reconstruction method that has potential benefits over the conventionally used FBP, especially in relation to image ...
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Coronary Computed Tomographic Angiography at 80 kVp and Knowledge-Based Iterative Model Reconstruction Is Non-Inferior to that at 100 kVp with Iterative Reconstruction
... knowledge-based iterative model recon- struction (IMR) to those of CCTA at 100 kVp with hybrid iterative reconstruction (IR), and to evaluate the feasibility of a low-dose radiation protocol with ...
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Non-contrast CT at comparable dose to an abdominal radiograph in patients with acute renal colic; impact of iterative reconstruction on image quality and diagnostic performance
... of iterative reconstruction, could not be promoted as a replacement for conventional dose CT in the acute set- ...newer reconstruction tech- niques, such as model-based iterative ...
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Acute Intracranial Hemorrhage in CT: Benefits of Sinogram Affirmed Iterative Reconstruction Techniques
... of iterative reconstruction to FBP could substantially change the texture and characteristics of the ...better reconstruction technique for the detection of ICH than FBP, and it can be assumed that a ...
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Iterative reconstruction does not substantially delay CT imaging in an emergency setting
... Iterative reconstruction (IR) for computed tomography (CT) is a promising noise reducing technique with the potential to substantially reduce radiation dose while preserving study interpretability ...
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Lowering the Dose in Head CT Using Adaptive Statistical Iterative Reconstruction
... of iterative reconstruction methods such as ASIR—a name given by the vendor (GE Healthcare, Milwaukee, Wiscon- sin)—in abdomen 6-8 and chest CT 9-11 and coronary CT an- ...
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PET iterative reconstruction incorporating an efficient positron range correction method
... analytic reconstruction methods the range effect can be removed by dividing the Fourier transform of the measured projection data by the Fourier transform of the positron range function ...the iterative ...
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Security and Privacy of Image by Encryption, Lossy Compression and Iterative Reconstruction
... system, iterative reconstruction is used. Iterative reconstruction refers to iterative algorithms used to reconstruct 2D and 3D images in certain imaging ...the iterative ...
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Review on Analytical and Iterative Reconstruction Algorithms for Computerized Tomography
... The reconstruction algorithm used based on type of projection ...image reconstruction techniques. Section 3, the analytical reconstruction methods are briefly ...represents iterative ...
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Simultaneous Iterative Reconstruction Technique by Selective Discrimination SIRT-DS
... Iterative algorithms will be distinguished by the methods that are implemented to compare sinogram. The most commonly used PET algorithm is derived from the methods EM (Expectation Maximization) [13] accelerated ...
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Iterative reconstruction methods for wave equations
... The new techniques we propose in section 1 rely on the following ideas, influenced by [2]: if the system we consider is reversible in time, then the initial state to reconstruct can be seen, backward in time, as a state ...
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Exact Simultaneous Iterative Reconstruction Technique Algorithm-An Effective Tool In Biomedical Imaging
... the reconstruction of complex permittivity of the biological tissue discriminates the healthier tissue from the diseased ...Various iterative reconstruction algorithms based on moment method solution ...
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CT of the chest with model-based, fully iterative reconstruction: comparison with adaptive statistical iterative reconstruction
... new reconstruction algorithm may thus have significant impact in imaging young patients requiring CT, patients requiring serial CT follow-up, and the pregnant patients in whom imaging is deemed medically ...
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The Use of Adaptive Statistical Iterative Reconstruction in Pediatric Head CT: A Feasibility Study
... Adaptive Iterative Dose Reduction (Toshiba, Tochigi, Japan), and iDose (Philips Health- care, Best, the ...error” reconstruction methodologies that go through several iter- ations to create an “ideal image” ...
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Iterative reconstruction for quantitative computed tomography analysis of emphysema: consistent results using different tube currents
... been iterative reconstruc- tion (IR) techniques, which have been applied to all major multidetector-row CT (MDCT) scanners and have created a new generation of reconstruction ...the reconstruction ...
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Cerebral Aneurysm Pulsation: Do Iterative Reconstruction Methods Improve Measurement Accuracy In Vivo?
... time point zero. This initial cutting line was transferred automatically to all other time points by using an iterative closest- point approach, to reduce interaction time. Now, the surface model of the aneu- rysm ...
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Quantitative Analysis of the Effect of Iterative Reconstruction Using a Phantom: Determining the Appropriate Blending Percentage
... erative reconstruction (ASIR) in a reduced radiation dose while preserving a de- gree of image quality and texture that is similar to that of standard-dose computed tomography ...
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A Comparison of Reconstruction Algorithms Regarding Exposure Dose Reductions during Digital Breast Tomosynthesis
... DBT reconstruction methods have been explored previously [3] ...technique, iterative reconstruction (IR), was found to effectively decrease quantum noise and radiation exposure ...simultaneous ...
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Influence of Ultra Low Dose and Iterative Reconstructions on the Visualization of Orbital Soft Tissues on Maxillofacial CT
... The entire cadaver head including the mandible was scanned by using the Discovery CT750 HD (GE Healthcare, Milwaukee, Wis- consin) and the following protocols: the standard emergency proto- col of the head (as used ...
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Observation of high-energy cosmic rays by very inclined muon bundles in the NEVOD-DECOR experiment
... steps: iterative reconstruction of local muon density spectra in a detector-independent form on the basis of the measured distributions of muon bundle characteristics, taking into account Poisson ...
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