... Publications . ... Laboratory of Mathematical Methods of Image Processing . ... Methods of noise filtering quality assessment for CT images . ... Noise filtering in computer tomography (CT) images plays an important role in reduction of radiation dose received by a patient. ... Both methods are evaluated on real-world CT scans and presented results suggest that they are effective for automatic selection of the noise reduction filtering strength parameter for both Rank-2.5D Ре NLM-2.5D filters. ...