PROJECTION-RECONSTRUCTION METHODS - FAST IMAGING SEQUENCES AND DATA-PROCESSING

被引：16

作者：

CREMILLIEUX, Y ^{[1
]}

BRIGUET, A ^{[1
]}

DEGUIN, A ^{[1
]}

机构：

[1] UNIV LYON 1,RMN LAB,F-69622 VILLEURBANNE,FRANCE

来源：

MAGNETIC RESONANCE IN MEDICINE | 1994年 / 32卷 / 01期

关键词：

PROJECTION-RECONSTRUCTION; FAST IMAGING; K-SPACE SCANNING;

D O I：

10.1002/mrm.1910320105

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：

New, rapid two- and three-dimensional imaging sequences based on steady-state gradient echoes and projection-reconstruction (PR) techniques are proposed. Quantitative studies show that fast PR sequences and classical, fast gradient-echo Fourier transform sequences lead to identical contrasts. In order to minimize inhomogeneity effects, a particular focus has been placed on echo-time reduction. The use of a weighting window permits one to acquire severely truncated echoes; partial k-space scanning may be considered.

引用

页码：23 / 32

页数：10

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