An Improved MRI Reconstruction Method Based on Table-Lookup Gridding
Radial encoding is often performed for fast data acquisition in magnetic resonance imaging (MRI). Therefore, the gridding method, which is a kind of algorithm for Fast Fourier Transform, is widely used in fast MRI reconstruction. In this paper, an improved gridding method has been utilized to 2D MRI reconstruction, which precomputes an 1D finely sampled table of a high-accuracy interpolator and then uses separable bilinear interpolation by look-up table. Experimental comparisons are made by assessing the performance of the direct reconstruction, the conventional KB gridding and the proposed method. The experimental results show that the proposed method provides high accuracy, fast computation, and dramatic memory saving.
Radial MRI Reconstruction Kaiser-Bessel Gridding
Yanni Peng Qing Huo Liu
College of Computer Science and Information Engineering, Chongqing Technology and Business Universit Deparment of Electrical and Computer Engineering, Duke University Durham, NC27705, USA
国际会议
2009图像分析与信号处理国际会议(2009 International Conference on Image Analysis and Signal Processing)
浙江台州
英文
9-12
2009-04-11（万方平台首次上网日期，不代表论文的发表时间）