An Efficient Region of Interest Acquisition Method for Dynamic Magnetic Resonance Imaging

W. S. Hoge, E. L. Miller, H. Lev-Ari, D. H. Brooks, W. C. Karl, L. P. Panych
IEEE Trans Image Processing
Volume 10, Number 7, Pages 1118-1128
Jul., 2001

Abstract

Motivated by recent work in the area of dynamic magnetic resonance imaging (MRI), we develop a new approach toward the problem of reduced order MRI acquisition. Recent efforts in this field have concentrated on the use of Fourier and Singular Value Decomposition (SVD) methods to obtain low order representations of an entire image plane. We augment this work to the case of imaging an arbitrarily shaped region of interest (ROI) embedded within the full image. After developing a natural error metric for this problem, we show that determining the minimal order required to meet a prescribed error level is in general intractable, but can be solved under certain assumptions. We then develop an optimization approach to the related problem of minimizing the error for a given order. Finally we demonstrate the utility of this approach and its advantages over existing Fourier and SVD methods on a number of MRI images.

Reference

Hoge WS, Miller EL, Lev-Ari H, Brooks DH, Karl WC, Panych LP. An efficient region of interest acquisition method for dynamic magnetic resonance imaging. IEEE Trans Image Processing 2001;10(7):1118-1128.

Bibtex entry

@Article{hogeTIP2001,
  author         = {W. S. Hoge and E. L. Miller and H. Lev-Ari and D. H. Brooks
                   and W. C. Karl and L. P. Panych},                           
  title          = {An Efficient Region of Interest Acquisition Method for     
                   Dynamic Magnetic Resonance Imaging},                        
  journal        = {IEEE Trans Image Processing},                              
  year           = 2001,                                                       
  volume         = 10,                                                         
  number         = 7,                                                          
  pages          = {1118-1128},                                                
  month          = {Jul.}
}