http://www.radtechonduty.com/2024/03/ct-scan-artifacts.html Web3 jan. 2024 · Metal artifact, dental artifact, artifact reduction, head and neck CT Date received: 3 January 2024; accepted: 9 October 2024 Introduction Computed tomography (CT) is a primary modality for diagnostic evaluation of the face and neck. A common limitation of CT in evaluating the soft tissues in and around the oral cavity is streak …
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Web3 mrt. 2024 · The presence of streak metal artifacts seriously degrades the diagnostic value and deteriorates the qualities of CT images. Analyzing the causes and classical streak metal artifact reduction (MAR) methods, the paper proposes the streak metal artifact reduction method based on sinogram fusion and tissue-class mode for CT images (F-MAR). WebMetal objects in the body, such as surgical clips or coils like those used in aneurysm therapy, cause massive radiation artifacts to occur in CT or CT-like imaging as delivered with syngo DynaCT. This makes it impossible to analyze the areas around such metal objects for diagnostic purposes. tehnicko crtanje sa nacrtnom geometrijom pdf
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Web4 nov. 2016 · Metal artifacts appearing as streaks and shadows often compromise readability of computed tomography (CT) images. Particularly in a dental CT in which high resolution imaging is crucial for precise preparation of dental implants or orthodontic devices, reduction of metal artifacts is very important. Web4 jan. 2024 · Metal artifact reduction on cervical CT images by deep residual learning (BioMedical Engineering OnLine 2024). A dual-stream deep convolutional network for … Web13 jan. 2024 · These metallic objects can produce metal artifacts in reconstruction images, which severely degrade image quality. In this paper, we analyze the difference between … tehničko crtanje u građevinarstvu