[Insight-developers] blood flow velocity

[Bill Lorensen]

Richard,

I found a reprint of the 1993 paper. If you send me your land-mail
address, I'll get a copy to you.

You should probably try to get a copy of:

Dumoulin CL, Souza SP, Walker MF, Wagle W., "Three-dimensional phase
contrast angiography." Magn Reson Med. 1989 Jan;9(1):139-49. It will
describe the physics of the acquistion.

See http://www.ncbi.nlm.nih.gov/pubmed/2709992

Bill


On Wed, Feb 11, 2009 at 11:13 PM, Bill Lorensen <bill.lorensen at gmail.com> wrote:
> Richard,
>
> We published some work about 15 years ago that processed MR phase
> contrast images for flow visualization.
>
> Cline, H., W. Lorensen, and W. Schroeder, 3D Phase Contrast MRI of
> Cerebral Blood Flow and Surface Anatomy, Journal of Computer Assisted
> Tomography, vol. 17, no. 2, pp. 173-177, March/April 1993.
>
> I can't see to find my reprints of this article. I recall scaling the
> data, but can't remember how we scaled it. I'll try to dig around for
> some more info.
>
> Bill
>
> On Wed, Feb 11, 2009 at 10:35 PM, Richard Beare <richard.beare at gmail.com> wrote:
>> Does anyone know a procedure for extracting correct numerical values
>> for blood flow velocity from MR phase constrast images? I'm looking at
>> the dicoms from a siemens system and the raw voxel values don't
>> obviously match the ranges reported by the siemen's software. Could be
>> a simple scaling, or something more sophisticated. Any ideas?
>>
>> Thanks
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>