Medical X-Ray Techniques in Diagnostic Radiology

Plaats, G. J. van der

doi:10.1007/978-1-349-04630-0

Cited by 4 publications

(1 citation statement)

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“…-ray imaging is widely used in the medical and industrial fields because it allows a non-destructive observation of the inside of materials. 1,2) Most imaging setups are transmission types in which the object is installed between the light source and the detector, and high-definition images can be easily acquired. It is also possible to acquire a 3D image of an object by computed tomography in which the object is rotated to obtain many projection images along different directions.…”

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Backscattering X-ray imaging using Fresnel zone aperture

Shimura¹,

Hosoi²,

Watanabe³

2021

Appl. Phys. Express

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We demonstrate backscattering X-ray imaging using a Fresnel zone aperture (FZA), where the line width of the outermost circle is 100 μm. The method is a lensless imaging technique employing an optical aperture instead of a lens. We successfully reconstructed test objects from four images observed using a series of FZAs without an iterative procedure during the reconstruction process. We also confirmed the successful reconstruction of a series of images by changing the focal plane in a short computer calculation time, indicating that 3D information can be obtained by measuring a single set of four images.

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confidence: 99%

Backscattering X-ray imaging using Fresnel zone aperture

Shimura¹,

Hosoi²,

Watanabe³

2021

Appl. Phys. Express

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Modern day film-screen combinations do not obey conventional exposure rules

Brennan¹,

McCandless²,

Masterson³

1997

Radiography

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PATIENT SIZE BASED GUIDING EQUATIONS FOR AUTOMATIC mAs AND kVp SELECTIONS IN GENERAL MEDICAL X-RAY PROJECTION RADIOGRAPHY

Zheng

2016

Radiat Prot Dosimetry

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A patient size based guiding equation for the automatic selections of mAs and peak voltage kVp in general medical X-ray projection radiography was derived from the first principles of dose and image quality optimization. Under various specific conditions of constant patient size d, kVp or mAs, this equation leads to various longstanding 'rules of thumbs' currently being employed in clinical practice. For automatic mAs control, this work suggests that the current level of dose to patient in X-ray radiography should be halved without compromise image quality. Further studies on the dependence of the absorbed dose on the patient's thickness are required in general X-ray projection radiography.

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Medical X-Ray Techniques in Diagnostic Radiology

Cited by 4 publications

References 0 publications

Backscattering X-ray imaging using Fresnel zone aperture

Backscattering X-ray imaging using Fresnel zone aperture

Modern day film-screen combinations do not obey conventional exposure rules

PATIENT SIZE BASED GUIDING EQUATIONS FOR AUTOMATIC mAs AND kVp SELECTIONS IN GENERAL MEDICAL X-RAY PROJECTION RADIOGRAPHY

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