Noise Suppression and Edge Preservation for Low-Dose COVID-19 CT Images Using NLM and Method Noise Thresholding in Shearlet Domain

In the COVID-19 era, it may be possible to detect COVID-19 by detecting lesions in scans, i.e., ground-glass opacity, consolidation, nodules, reticulation, or thickened interlobular septa, and lesion distribution, but it becomes difficult at the early stages due to embryonic lesion growth and the re...

Full description

Bibliographic Details
Main Authors: Manoj Diwakar, Prabhishek Singh, Chetan Swarup, Eshan Bajal, Muskan Jindal, Vinayakumar Ravi, Kamred Udham Singh, Teekam Singh
Format: Article
Language:English
Published: MDPI AG 2022-11-01
Series:Diagnostics
Subjects:
Online Access:https://www.mdpi.com/2075-4418/12/11/2766