Adaptive nonlocal means filtering based on local noise level for CT denoising

Medical Physics

Volumn 41, Issue 1, 2014, Pages

  Li, Zhoubo ^a   Yu, Lifeng ^b   Trzasko, Joshua D ^a   Lake, David S ^a   Blezek, Daniel J ^a   Fletcher, Joel G ^b   McCollough, Cynthia H ^b   Manduca, Armando ^a  

^a MAYO GRADUATE SCHOOL   (United States)

^b MAYO CLINIC   (United States)

Author keywords

adaptive denoising; CT dose reduction; image denoising; noise estimation; nonlocal means filtering

Indexed keywords

ADAPTIVE FILTERING; ADAPTIVE FILTERS; COMPUTATIONAL EFFICIENCY; COMPUTERIZED TOMOGRAPHY; GRAPHICS PROCESSING UNIT; HOSPITAL DATA PROCESSING; IMAGE RESOLUTION; MODULATION; NOISE ABATEMENT; NOISE POLLUTION; PHANTOMS; POWER SPECTRUM; RADIATION; RADIOLOGY;

ADAPTIVE DENOISING; AMERICAN COLLEGE OF RADIOLOGIES; CT DOSE REDUCTION; GRAPHICAL PROCESSING UNITS; LOCAL NOISE LEVEL ESTIMATIONS; NOISE ESTIMATION; NON-LOCAL MEANS FILTERING; SLICE-SENSITIVITY PROFILES;

IMAGE DENOISING;

ALGORITHM; ARTICLE; COMPUTER ASSISTED TOMOGRAPHY; FILTRATION; HUMAN; MODULATION TRANSFER FUNCTION; NOISE POWER SPECTRUM; NOISE REDUCTION; NONLOCAL MEANS ALGORITHM; POWER SPECTRUM; RADIATION DOSE; UROGRAPHY; WORKFLOW; COMPUTER GRAPHICS; IMAGE PROCESSING; IMAGE QUALITY; METHODOLOGY; REPRODUCIBILITY; SIGNAL NOISE RATIO; TIME;

ALGORITHMS; COMPUTER GRAPHICS; IMAGE PROCESSING, COMPUTER-ASSISTED; PHANTOMS, IMAGING; REPRODUCIBILITY OF RESULTS; SIGNAL-TO-NOISE RATIO; TIME FACTORS; TOMOGRAPHY, X-RAY COMPUTED;

EID: 84892166859     PISSN: 00942405     EISSN: None     Source Type: Journal    
DOI: 10.1118/1.4851635     Document Type: Article

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