Image Processing for Low-Dose CT via Novel Anisotropic Fourth-Order Diffusion Model

Low-dose CT images contain severe mottle noise and streak artifacts, which seriously affect the physician's diagnosis of the disease. Hence, in this paper, we propose a novel anisotropic fourth-order diffusion model for low-dose CT image processing. The proposed diffusion model uses both image...

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Veröffentlicht in:	IEEE access 2022, Vol.10, p.50114-50124
Hauptverfasser:	Wang, Lei, Liu, Yi, Wu, Rui, Liu, Yuhang, Yan, Rongbiao, Ren, Shilei, Gui, Zhiguo
Format:	Artikel
Sprache:	eng
Schlagworte:	Algorithms anisotropic diffusion Computed tomography Detectors Diffusion barriers Diffusion coefficient fourth-order PDEs Image edge detection Image processing Image quality Image reconstruction Laplace equations Low-dose computed tomography Mathematical models Medical imaging Noise reduction Residual energy residual local energy
Online-Zugang:	Volltext
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