Improved pixel-by-pixel MRI R2* relaxometry by nonlocal means

Magnetic Resonance in Medicine

Volumn 72, Issue 1, 2014, Pages 260-268

  Feng, Yanqiu ^a   He, Taigang ^b,c   Feng, Meiyan ^a   Carpenter, John Paul ^c,d   Greiser, Andreas ^e   Xin, Xuegang ^a   Chen, Wufan ^a   Pennell, Dudley J ^c,d   Yang, Guang Zhong ^f   Firmin, David N ^c,d  

^a SOUTHERN MEDICAL UNIVERSITY   (China)

^b ST GEORGE'S UNIVERSITY OF LONDON   (United Kingdom)

^c ROYAL BROMPTON HOSPITAL   (United Kingdom)

^d NATIONAL HEART AND LUNG INSTITUTE   (United Kingdom)

^e SIEMENS AG   (Germany)

^f IMPERIAL COLLEGE LONDON   (United Kingdom)

Author keywords

mapping; MRI relaxometry; noise; nonlocal means; pixel by pixel; R2

Indexed keywords

BIOMEDICAL SIGNAL PROCESSING; CURVE FITTING; IMAGE DENOISING; MAGNETIC RESONANCE IMAGING; MAPPING; MEAN SQUARE ERROR; SIGNAL TO NOISE RATIO;

INTRINSIC SIGNAL; LOW SIGNAL-TO-NOISE RATIO; NOISE; NON LOCAL MEANS (NLM); NON-LOCAL MEANS; RELAXOMETRY; ROOT MEAN SQUARE ERRORS; TISSUE CHARACTERIZATION;

PIXELS;

ACCURACY; ALGORITHM; ARTICLE; CURVE FITTING; HUMAN; IMAGE PROCESSING; KERNEL METHOD; LIVER; MAGNETIC RESONANCE R2 RELAXOMETRY; NONLOCAL MEANS; NUCLEAR MAGNETIC RESONANCE IMAGING; NUCLEAR MAGNETIC RESONANCE SCANNER; PIXEL BY PIXEL FITTING; SIGNAL NOISE RATIO; SIMULATION; THALASSEMIA; COMPUTER ASSISTED DIAGNOSIS; COMPUTER SIMULATION; IMAGE ENHANCEMENT; IMAGING PHANTOM; IRON OVERLOAD; PATHOLOGY; PROCEDURES; RETROSPECTIVE STUDY;

ALGORITHMS; COMPUTER SIMULATION; HUMANS; IMAGE ENHANCEMENT; IMAGE INTERPRETATION, COMPUTER-ASSISTED; IRON OVERLOAD; LIVER; MAGNETIC RESONANCE IMAGING; PHANTOMS, IMAGING; RETROSPECTIVE STUDIES; SIGNAL-TO-NOISE RATIO;

EID: 84902549362     PISSN: 07403194     EISSN: 15222594     Source Type: Journal    
DOI: 10.1002/mrm.24914     Document Type: Article

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