A New Strategy for Spectroscopic Imaging

Xiaoping Hu; Maqbool Patel; Kamil Ugurbil; Mohamed Deriche

doi:10.1109/NSSMIC.1992.301527

A New Strategy for Spectroscopic Imaging

Xiaoping Hu
, Maqbool Patel
, Kamil Ugurbil
, Mohamed Deriche

Center for Magnetic Resonance Research

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

This paper describes a new approach for reducing ringing artifact in spectroscopic imaging (or chemical shift imaging). In order to reduce the ringing and maintain adequate SNR for the metabolites, the data points in high k-space are measured with one or few excitations while those in the low k-space are sampled with many excitation. By the virtue of this sampling scheme, the data contain more noise in the high spatial frequency region and direct Fourier transform reconstruction will generate a very noisy image. Therefore a technique based on adaptive smoothing is also developed for the reconstruction. From simulated and in vivo proton CSI experiments, we conclude that the technique is a robust technique and can be used for in vivo applications.

Original language	English (US)
Title of host publication	IEEE Conference on Nuclear Science Symposium and Medical Imaging, NSS/MIC 1992
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	1328-1330
Number of pages	3
ISBN (Electronic)	0780308840, 9780780308848
DOIs	https://doi.org/10.1109/NSSMIC.1992.301527
State	Published - 1992
Event	1992 IEEE Conference on Nuclear Science Symposium and Medical Imaging, NSS/MIC 1992 - Orlando, United States Duration: Oct 25 1992 → Oct 31 1992

Publication series

Name	IEEE Conference on Nuclear Science Symposium and Medical Imaging, NSS/MIC 1992

Conference

Conference	1992 IEEE Conference on Nuclear Science Symposium and Medical Imaging, NSS/MIC 1992
Country/Territory	United States
City	Orlando
Period	10/25/92 → 10/31/92

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Publisher Copyright:
© 1993 IEEE.

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10.1109/NSSMIC.1992.301527

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Hu, X., Patel, M., Ugurbil, K., & Deriche, M. (1992). A New Strategy for Spectroscopic Imaging. In IEEE Conference on Nuclear Science Symposium and Medical Imaging, NSS/MIC 1992 (pp. 1328-1330). (IEEE Conference on Nuclear Science Symposium and Medical Imaging, NSS/MIC 1992). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/NSSMIC.1992.301527

A New Strategy for Spectroscopic Imaging. / Hu, Xiaoping; Patel, Maqbool; Ugurbil, Kamil et al.
IEEE Conference on Nuclear Science Symposium and Medical Imaging, NSS/MIC 1992. Institute of Electrical and Electronics Engineers Inc., 1992. p. 1328-1330 (IEEE Conference on Nuclear Science Symposium and Medical Imaging, NSS/MIC 1992).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Hu, X, Patel, M, Ugurbil, K & Deriche, M 1992, A New Strategy for Spectroscopic Imaging. in IEEE Conference on Nuclear Science Symposium and Medical Imaging, NSS/MIC 1992. IEEE Conference on Nuclear Science Symposium and Medical Imaging, NSS/MIC 1992, Institute of Electrical and Electronics Engineers Inc., pp. 1328-1330, 1992 IEEE Conference on Nuclear Science Symposium and Medical Imaging, NSS/MIC 1992, Orlando, United States, 10/25/92. https://doi.org/10.1109/NSSMIC.1992.301527

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title = "A New Strategy for Spectroscopic Imaging",

abstract = "This paper describes a new approach for reducing ringing artifact in spectroscopic imaging (or chemical shift imaging). In order to reduce the ringing and maintain adequate SNR for the metabolites, the data points in high k-space are measured with one or few excitations while those in the low k-space are sampled with many excitation. By the virtue of this sampling scheme, the data contain more noise in the high spatial frequency region and direct Fourier transform reconstruction will generate a very noisy image. Therefore a technique based on adaptive smoothing is also developed for the reconstruction. From simulated and in vivo proton CSI experiments, we conclude that the technique is a robust technique and can be used for in vivo applications.",

author = "Xiaoping Hu and Maqbool Patel and Kamil Ugurbil and Mohamed Deriche",

note = "Publisher Copyright: {\textcopyright} 1993 IEEE.; 1992 IEEE Conference on Nuclear Science Symposium and Medical Imaging, NSS/MIC 1992 ; Conference date: 25-10-1992 Through 31-10-1992",

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doi = "10.1109/NSSMIC.1992.301527",

language = "English (US)",

series = "IEEE Conference on Nuclear Science Symposium and Medical Imaging, NSS/MIC 1992",

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N2 - This paper describes a new approach for reducing ringing artifact in spectroscopic imaging (or chemical shift imaging). In order to reduce the ringing and maintain adequate SNR for the metabolites, the data points in high k-space are measured with one or few excitations while those in the low k-space are sampled with many excitation. By the virtue of this sampling scheme, the data contain more noise in the high spatial frequency region and direct Fourier transform reconstruction will generate a very noisy image. Therefore a technique based on adaptive smoothing is also developed for the reconstruction. From simulated and in vivo proton CSI experiments, we conclude that the technique is a robust technique and can be used for in vivo applications.

AB - This paper describes a new approach for reducing ringing artifact in spectroscopic imaging (or chemical shift imaging). In order to reduce the ringing and maintain adequate SNR for the metabolites, the data points in high k-space are measured with one or few excitations while those in the low k-space are sampled with many excitation. By the virtue of this sampling scheme, the data contain more noise in the high spatial frequency region and direct Fourier transform reconstruction will generate a very noisy image. Therefore a technique based on adaptive smoothing is also developed for the reconstruction. From simulated and in vivo proton CSI experiments, we conclude that the technique is a robust technique and can be used for in vivo applications.

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M3 - Conference contribution

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SP - 1328

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BT - IEEE Conference on Nuclear Science Symposium and Medical Imaging, NSS/MIC 1992

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ER -

A New Strategy for Spectroscopic Imaging

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