Modern Computer Tomography with Artificial Intelligence and Deep Learning Applications

Yıl 2023, Cilt: 3 Sayı: 2, 123 - 136, 01.10.2023

Coşkun Deniz

Öz

X-ray computed tomography (CT) aims production of 2-dimensional mass-density (or X-ray attenuation coefficient) maps of the sliced interior body by using directed X-rays through it to construct 3D CT images from the collection of these sliced 2D maps. That the CT scan gives the necessary information about the interior structure of the body without any cut or physical damage makes it indispensable in our modern medical applications along with the related medical sciences. However, since the X-rays involve ionizing radiation, it is dangerous for living organisms and it brings about the ALARA (as low as reasonably achievable) principle in medical applications emphasizing as high-quality CT images (with the highest possible resolution) as possible by using as little X-ray exposure of the body under scan as possible. This challenging task along with the correct interpretation of these CT images to lead a correct diagnosis and treatment plan brings about designing various fan geometries, scanning styles, and advanced image reconstruction techniques in the evolution of X-ray CT scans. We can see that X-ray CT scans have been evolved enormously since the first discovery in early 1970s and it continues today with the applications of artificial intelligence (AI) and deep learning (DL) in our modern CT with promising successful results. In this work, a pedagogical study of our modern X-ray CT with the related review of literature regarding i-scanning geometry, ii-reconstruction techniques, and iii-AI&DL applications is being presented hoping to be useful as a quick reference especially for the scholars and researchers in the field.

Anahtar Kelimeler

X-ray computed tomography, X-ray CT, Artificial intelligence, AI, Deep learning, DL

Kaynakça

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