Title :
Mixture of competitive linear models for phased-array magnetic resonance imaging
Author :
Erdogmus, Deniz ; Yan, Rui ; Larsson, Erik G. ; Principe, Jose C. ; Fitzsimmons, Jeffrey R.
Author_Institution :
Dept. of Electr. & Comput. Eng., Florida Univ., Gainesville, FL, USA
Abstract :
Phased-array magnetic resonance imaging is an important contemporary research field in terms of the expected clinical gains in medical imaging technology. Recent research focused on heuristic coil image recombination methods as well as statistical signal processing approaches. In this paper, we investigate the performance of an adaptive signal processing approach, namely mixture of competitively trained models. The proposed method has the ability to train on a set of images and generalize its performance to previously unseen images. Performance evaluations on real data validate the effectiveness of this method.
Keywords :
adaptive signal processing; biomedical MRI; image reconstruction; least mean squares methods; medical image processing; unsupervised learning; MRI image reconstruction; adaptive signal processing; competitive LMS; competitive linear models; competitively trained model mixture; medical imaging technology; phased-array coils; Adaptive signal processing; Adaptive systems; Chromium; Coils; Image reconstruction; Magnetic resonance imaging; Phase measurement; Phased arrays; Radiology; Signal to noise ratio;
Conference_Titel :
Acoustics, Speech, and Signal Processing, 2004. Proceedings. (ICASSP '04). IEEE International Conference on
Print_ISBN :
0-7803-8484-9
DOI :
10.1109/ICASSP.2004.1327178