@inproceedings{5708b611b5ca4afea321912bb1a8fa51,
title = "Improved image reconstruction from sensitivity-encoded data by wavelet denoising and tikhonov regularization",
abstract = "Parallel magnetic resonance imaging through sensitivity encoding using multiple receiver coils has emerged as an effective tool to reduce imaging time. However, errors in both the estimated coil sensitivity maps and the measured data, and the ill-conditioned nature of the coefficient matrix (often associated with non-localized coils) can degrade image quality significantly, limiting speed enhancements. In this paper, we propose to use wavelet denoising to reduce noise in the coil sensitivity maps and a specially-designed TIkhonov regularization scheme to solve the ill-conditioned matrix equation. Experimental results show that these techniques produce significantly better images (with an improved signal-to-noise ratio and reduced aliasing artifacts) than conventional reconstruction methods based on matrix inversion with a diagonal regularization matrix.",
author = "Liang, {Zhi Pei} and Roland Bammer and Jim Ji and Pelc, {Norbert J.} and Glover, {Gary H.}",
year = "2002",
month = jan,
day = "1",
doi = "10.1109/ISBI.2002.1029302",
language = "English (US)",
series = "Proceedings - International Symposium on Biomedical Imaging",
publisher = "IEEE Computer Society",
pages = "493--496",
booktitle = "2002 IEEE International Symposium on Biomedical Imaging, ISBI 2002 - Proceedings",
note = "IEEE International Symposium on Biomedical Imaging, ISBI 2002 ; Conference date: 07-07-2002 Through 10-07-2002",
}