The Mathematical Model of Image, Generated by Scanning Digital Radiography System

Udod, V. A.; Osipov, S. P.; Wang, Yanzhao

doi:10.1088/1757-899x/168/1/012042

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Geometric Scheme Of Projection Formation1

Filtering Initial Projections1

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Cited by 6 publications

(2 citation statements)

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“…XOY 1.3. Generalized Model of Projection Formation in X-ray Computed Tomography Models of digital radiographic imaging can be used as the basis for the model of projection formation in computed tomography [24][25][26]. An expression for how digital signals (DS) from detectors are connected with the estimate of the projection has the form…”

Section: Geometric Scheme Of Projection Formationmentioning

confidence: 99%

See 1 more Smart Citation

Calculation Model of X-Ray Computed Tomography with Density Assessment Function

Osipov

Yadrenkin

Чахлов

et al. 2021

Russ J Nondestruct Test

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Abstract— A calculation model of X-ray computed tomography with a density assessment function in the geometry of a parallel beam has been proposed. The model includes blocks for simulating and correcting sinograms and reconstructing section images. When generating sinograms, the parameters of the test object, source, and recorder of X-ray radiation have been taken into account. Modeling algorithms are implemented in the MathCad system and tested on virtual test objects.

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Section: Geometric Scheme Of Projection Formationmentioning

confidence: 99%

“…The filtering of the initial projections is carried out in accordance with expression (8), which in discrete form looks as follows: (27) In expression (27), a filter with the RL kernel (26) or a filter with the SL kernel (27) or their modifications are used as the filter…”

Section: Filtering Initial Projectionsmentioning

confidence: 99%