DYNAMICALLY ADAPTIVE MRI WITH ENCODING BY SINGULAR-VALUE DECOMPOSITION

被引:87
作者
ZIENTARA, GP
PANYCH, LP
JOLESZ, FA
机构
[1] BRIGHAM & WOMENS HOSP,DEPT RADIOL,BOSTON,MA 02115
[2] HARVARD UNIV,SCH MED,BOSTON,MA
关键词
DYNAMIC MRI; ADAPTIVE MRI; SPATIAL ENCODING;
D O I
10.1002/mrm.1910320219
中图分类号
R8 [特种医学]; R445 [影像诊断学];
学科分类号
1002 ; 100207 ; 1009 ;
摘要
A new MRI spatial encoding method based upon the singular value decomposition (SVD) and using spatially selective RF excitation is described. This encoding technique is particularly applicable to dynamic adaptive MRI, because it provides a near minimal set of spatial encoding profiles computed using an image estimate that is determined from a previously obtained image. Experimental results are presented for two cases, which exemplify its potential use in different dynamic imaging tasks. SVD-encoded MRI has demonstrated to be a highly efficient encoding scheme.
引用
收藏
页码:268 / 274
页数:7
相关论文
共 39 条
[1]  
[Anonymous], 1986, NUMERICAL RECIPES
[2]   RETRIEVAL OF FREQUENCIES, AMPLITUDES, DAMPING FACTORS, AND PHASES FROM TIME-DOMAIN SIGNALS USING A LINEAR LEAST-SQUARES PROCEDURE [J].
BARKHUIJSEN, H ;
DEBEER, R ;
BOVEE, WMMJ ;
VANORMONDT, D .
JOURNAL OF MAGNETIC RESONANCE, 1985, 61 (03) :465-481
[3]   FUNCTIONAL MAPPING OF THE HUMAN VISUAL-CORTEX BY MAGNETIC-RESONANCE-IMAGING [J].
BELLIVEAU, JW ;
KENNEDY, DN ;
MCKINSTRY, RC ;
BUCHBINDER, BR ;
WEISSKOFF, RM ;
COHEN, MS ;
VEVEA, JM ;
BRADY, TJ ;
ROSEN, BR .
SCIENCE, 1991, 254 (5032) :716-719
[4]   REAL-TIME MAGNETIC-RESONANCE-IMAGING OF LASER HEAT DEPOSITION IN TISSUE [J].
BLEIER, AR ;
JOLESZ, FA ;
COHEN, MS ;
WEISSKOFF, RM ;
DALCANTON, JJ ;
HIGUCHI, N ;
FEINBERG, DA ;
ROSEN, BR ;
MCKINSTRY, RC ;
HUSHEK, SG .
MAGNETIC RESONANCE IN MEDICINE, 1991, 21 (01) :132-137
[5]   HADAMARD SPECTROSCOPIC IMAGING (HSI) FOR MULTIVOLUME LOCALIZATION [J].
BOLINGER, L ;
LEIGH, JS .
JOURNAL OF MAGNETIC RESONANCE, 1988, 80 (01) :162-167
[6]   ENHANCEMENT OF 2D NMR-SPECTRA USING SINGULAR VALUE DECOMPOSITION [J].
BROWN, DE ;
CAMPBELL, TW .
JOURNAL OF MAGNETIC RESONANCE, 1990, 89 (02) :255-264
[7]  
BRUMMER ME, 1992, 11 ANN M SOC MAGN RE, P4236
[8]   FEATURE-RECOGNIZING MRI [J].
CAO, Y ;
LEVIN, DN .
MAGNETIC RESONANCE IN MEDICINE, 1993, 30 (03) :305-317
[9]  
CHENEVERT TL, 1993, 12TH P SMRM ANN M, P1262
[10]  
Deprettere EFA, 1988, SVD SIGNAL PROCESSIN