filtered-back-projection reconstruction
Rapid mapping of visual receptive fields by filtered back projection: application to multi-neuronal electrophysiology and imaging
... this reconstruction is the Radon ...‘filtered back projection’ (FBP) is a widely used algorithm for computing the inverse Radon transform using a finite number of beam angles (Brooks & Di ...
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Comparison of the ultra-low-dose Veo algorithm with the gold standard filtered back projection for detecting pulmonary asbestos-related conditions: a clinical observational study
... ltered back projection (FBP) ...iterative reconstruction algo- rithms such as ‘ iDose ’ , ‘ 100% ASIR (adaptive statistical iterative reconstruction) ’ and ‘ IRIS (iterative reconstruc- tion ...
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FPGA Based Online Data Acquisition System (DAS) for Optical Tomography Application
... In this work, a data acquisition system is developed specifically for the OT based on FPGA which has not been proposed previously based on the literature study we have done. The development is coded by using Verilog HDL ...
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Analytical image reconstruction methods in emission tomography
... of reconstruction: analytical and iterative, each one presenting its own advantages and ...image reconstruction meth- ods including Fourier transformation, simple back- projection, ...
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Comparison of Different Reconstruction Algorithms for Decreasing the Exposure Dose during Digital Breast Tomosynthesis: A Phantom Study
... compared reconstruction algorithms [filtered back projection (FBP), maximum likelihood ex- pectation maximization (MLEM), and the simultaneous iterative reconstruction technique (SIRT)] ...
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Iterative Reconstruction in Head CT: Image Quality of Routine and Low Dose Protocols in Comparison with Standard Filtered Back Projection
... Due to the computational complexity, time for reconstruc- tion was substantially increased with use of the iterative algo- rithm. However, with a median reconstruction interval of 68 seconds, clinical efficiency ...
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Three-dimensional computed tomography dose optimisation and image quality improvement of abdomen-pelvis using adaptive-iterative dose reduction
... iterative reconstruction process in dose reduction without compromising image quality in clinical CT ...3D) reconstruction, compared with conventional filtered back projection (FBP), in ...
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Comparison of image quality between filtered back-projection and the adaptive statistical and novel model-based iterative reconstruction techniques in abdominal CT for renal calculi
... image reconstruction with a model-based iterative reconstruc- tion ...initial reconstruction with FBP or ASIR (to detect large or easily detectable lesions or life-threatening conditions, for example) ...
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Emphysema quantification using chest CT: influence of radiation dose reduction and reconstruction technique
... FBP filtered back projection, HIR hybrid iterative reconstruction; MIR model-based iterative ...FBP filtered back projection; HIR hybrid iterative reconstruction; ...
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Filtered Back Projection Algorithm on Computed Tomography (Ct) Scan
... filtered-back projection algorithm on computed tomography (CT) projection data of a Shepp-Logan head phantom to reconstruct ...CT Reconstruction on the data. Filtered back ...
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Inverse Problem: Comparison between Linear Back-Projection Algorithm and Filtered Back-Projection Algorithm in Soft-Field Tomography
... image reconstruction algorithm in process tomography is very important in ensure that the reconstructed image is ...The back-projection algorithm is the most popular algorithm applied in process ...
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Cardiac PET/CT with Rb-82: optimization of image acquisition and reconstruction parameters
... FBP: Filtered back projection; FOV: Field of view; FWHM: Full-width half maximum; LV: Left ventricle; LYSO: Lutetium yttrium orthosilicate; MBF: Myocardial blood flow; MFR: Myocardial blood reserve; ...
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Feasibility of three-dimensional density tomography using dozens of muon radiographies and filtered back projection for volcanos
... phy, we can only use several dozen points, and the positions are limited because of topography. Second, the cosmic-ray muon attenuation flux is not a simple exponential. Therefore, the influence of muon statistical error ...
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A Comparison of Reconstruction Algorithms Regarding Exposure Dose Reductions during Digital Breast Tomosynthesis
... compared reconstruction algorithms [filtered back projection (FBP) and simultaneous iterative reconstruction technique (SIRT)] with respect to radiation doses and image quality and ...
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The Object’s Reconstruction of CT Detection Based on Filtered Back Projection Algorithm
... the projection reduction of the CT system, we found that using the normal anti-projection method may obtained large error, the image is Blurred, it is far away from the true ...normal back ...
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Effect of Signal Filtering on Image Quality of Projection Based Magnetic Particle Imaging
... in projection-based MPI using ...the filtered back- projection (FBP) method with a ramp filter for image reconstruction, the RMS granularity and correlation coefficient decreased in the ...
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Review on Analytical and Iterative Reconstruction Algorithms for Computerized Tomography
... tomographic reconstruction is filtered back ...the projection data are first filtered then the filtered data is linearly smeared back along ray paths to form image ...The ...
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Acute Intracranial Hemorrhage in CT: Benefits of Sinogram Affirmed Iterative Reconstruction Techniques
... iterative reconstruction techniques for CT have been introduced to decrease image noise as an alternative to the standard filtered back-projection (FBP) ...
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CT of the chest with model-based, fully iterative reconstruction: comparison with adaptive statistical iterative reconstruction
... The filtered back projection (FBP) technique is cur- rently the most widespread CT reconstruction algo- ...this reconstruction technique does have significant limitations, mainly ...
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Fourier Based Forward and Back Projectors in Iterative Fan Beam Tomographic Image Reconstruction
... forward projection and one back-projection each iteration, and these steps are the com- putational ...and back projectors [1]–[4] that used a nonuniform fast Fourier transform (NUFFT) with a ...
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