MR subtraction angiography with a matched filter

J. B. De Castro, T. A. Tasciyan, J. N. Lee, F. Farzaneh, Stephen J Riederer, R. J. Herfkens

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

The technique of matched filtering (MF) has been used in the past with X-ray digital subtraction angiography as a method of improving signal-to-noise ratio (SNR) in subtraction angiographic images. In this work we describe how MF can be applied to a series of images produced by cinematographic magnetic resonance (Cine MR) to produce angiographic images. Likewise a simple subtraction image can be formed by subtracting an image in which flow is not well visualized from an image at the same location but with flow visualization. Theory predicts that a subtraction image resulting from the MF technique will yield typical SNR improvements of 60% over results from simple subtraction. Twenty-one studies of the human poplitea, canine aorta, and canine carotid artery were undertaken in which MF was compared with simple subtraction. It was determined that cine MR can be used to produce subtraction angiographic images and that MF can produce a modest improvement in SNR over simple subtraction.

Original languageEnglish (US)
Pages (from-to)355-362
Number of pages8
JournalJournal of Computer Assisted Tomography
Volume12
Issue number2
StatePublished - 1988
Externally publishedYes

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Signal-To-Noise Ratio
Angiography
Canidae
Digital Subtraction Angiography
Carotid Arteries
Aorta
Magnetic Resonance Spectroscopy
X-Rays

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Radiological and Ultrasound Technology

Cite this

De Castro, J. B., Tasciyan, T. A., Lee, J. N., Farzaneh, F., Riederer, S. J., & Herfkens, R. J. (1988). MR subtraction angiography with a matched filter. Journal of Computer Assisted Tomography, 12(2), 355-362.

MR subtraction angiography with a matched filter. / De Castro, J. B.; Tasciyan, T. A.; Lee, J. N.; Farzaneh, F.; Riederer, Stephen J; Herfkens, R. J.

In: Journal of Computer Assisted Tomography, Vol. 12, No. 2, 1988, p. 355-362.

Research output: Contribution to journalArticle

De Castro, JB, Tasciyan, TA, Lee, JN, Farzaneh, F, Riederer, SJ & Herfkens, RJ 1988, 'MR subtraction angiography with a matched filter', Journal of Computer Assisted Tomography, vol. 12, no. 2, pp. 355-362.
De Castro JB, Tasciyan TA, Lee JN, Farzaneh F, Riederer SJ, Herfkens RJ. MR subtraction angiography with a matched filter. Journal of Computer Assisted Tomography. 1988;12(2):355-362.
De Castro, J. B. ; Tasciyan, T. A. ; Lee, J. N. ; Farzaneh, F. ; Riederer, Stephen J ; Herfkens, R. J. / MR subtraction angiography with a matched filter. In: Journal of Computer Assisted Tomography. 1988 ; Vol. 12, No. 2. pp. 355-362.
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