Abstract
Artefacts are common threats in computed tomography images, which deteriorate the image quality and limit the diagnostic value of the examination that results in lower treatment outcomes. Degradation of CT image quality is happening due to the metal implants, which are shown as dark and bright streaks across the image. Beam hardening and photon starvation are main reasons for presence of artefacts in CT images caused by dental fillings, surgical clips, artificial hips etc. Metal artefact reduction methods have been one of the most common subjects of recent research in the field of medical imaging. The aim of this paper is to propose a methodology for artefacts reduction using Matlab, which benefits the suppression of artefacts in the image domain. Reconstruction of images is based on thresholding techniques and manipulation of pixel data to accomplish the correction of CT images. Results show that it is possible to reduce streaking artefacts and thus enhance medical image quality.
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Gutai, A., Sekulić, D., Spasojević, I. (2022). Metal Artefact Reduction from CT Images Using Matlab. In: Lalic, B., Gracanin, D., Tasic, N., Simeunović, N. (eds) Proceedings on 18th International Conference on Industrial Systems – IS’20. IS 2020. Lecture Notes on Multidisciplinary Industrial Engineering. Springer, Cham. https://doi.org/10.1007/978-3-030-97947-8_17
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DOI: https://doi.org/10.1007/978-3-030-97947-8_17
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