Handling data redundancy in helical cone beam reconstruction with a cone-angle-based window function and its asymptotic approximation

A cone-angle-based window function is defined in this manuscript for image reconstruction using helical cone beam filtered backprojection (CB-FBP) algorithms. Rather than defining the window boundaries in a two-dimensional detector acquiring projection data for computed tomographic imaging, the cone...

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Vydané v:	Medical physics (Lancaster) Ročník 34; číslo 6; s. 1989 - 1998
Hlavní autori:	Tang, Xiangyang, Hsieh, Jiang
Médium:	Journal Article
Jazyk:	English
Vydavateľské údaje:	United States American Association of Physicists in Medicine 01.06.2007
Predmet:	3D reconstruction ALGORITHMS Algorithms for functional approximation approximation theory APPROXIMATIONS Brain - diagnostic imaging Computed radiography Computed tomography Computer simulation computerised tomography COMPUTERIZED SIMULATION COMPUTERIZED TOMOGRAPHY Cone beam computed tomography cone-beam volume CT CT reconstruction Data acquisition data handling DATA PROCESSING EVALUATION helical CT Humans Image analysis IMAGE PROCESSING image reconstruction Image sensors Imaging, Three-Dimensional - methods Information Storage and Retrieval - methods medical image processing Medical image quality Medical image reconstruction Medical imaging Particle beam detectors PHANTOMS Phantoms, Imaging Radiographic Image Enhancement - methods Radiographic Image Interpretation, Computer-Assisted - methods RADIOLOGY AND NUCLEAR MEDICINE reconstruction algorithms Reproducibility of Results Sensitivity and Specificity TAMOXIFEN Tomography, Spiral Computed - instrumentation Tomography, Spiral Computed - methods window function reconstruction algorithms window function 3D reconstruction cone-beam volume CT helical CT CT reconstruction
ISSN:	0094-2405, 2473-4209
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