Noise-resolution tradeoffs in x-ray CT imaging: A comparison of penalized alternating minimization and filtered backprojection algorithms

Medical Physics

Volumn 38, Issue 3, 2011, Pages 1444-1458

  Evans, Joshua D ^a   Politte, David G ^b   Whiting, Bruce R ^b   O'Sullivan, Joseph A ^c   Williamson, Jeffrey F ^a  

^a VIRGINIA COMMONWEALTH UNIVERSITY   (United States)

^b WASHINGTON UNIVERSITY SCHOOL OF MEDICINE   (United States)

^c WASHINGTON UNIVERSITY IN ST LOUIS   (United States)

Author keywords

alternating minimization; computed tomography; noise; nonquadratic regularization; resolution

Indexed keywords

AMPLITUDE MODULATION; CURVE FITTING; IMAGE RECONSTRUCTION; IMAGE RESOLUTION; OPTICAL RESOLVING POWER; PARAMETER ESTIMATION; X RAYS;

ALTERNATING MINIMIZATION; ALTERNATING MINIMIZATION ALGORITHMS; ATTENUATION LINE INTEGRALS; FILTERED BACKPROJECTION ALGORITHM; NOISE; NON-QUADRATIC PENALTY FUNCTIONS; NONQUADRATIC REGULARIZATION; STATISTICAL IMAGE RECONSTRUCTION;

COMPUTERIZED TOMOGRAPHY;

EID: 79952159153     PISSN: 00942405     EISSN: None     Source Type: Journal    
DOI: 10.1118/1.3549757     Document Type: Article

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