کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
504606 864320 2009 9 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
FDG–PET parametric imaging by total variation minimization
موضوعات مرتبط
مهندسی و علوم پایه مهندسی کامپیوتر نرم افزارهای علوم کامپیوتر
پیش نمایش صفحه اول مقاله
FDG–PET parametric imaging by total variation minimization
چکیده انگلیسی

Parametric imaging of the cerebral metabolic rate for glucose (CMRGlc) using [18F]-fluoro deoxyglucose positron emission tomography is considered. Traditional imaging is hindered due to low signal-to-noise ratios at individual voxels. We propose to minimize the total variation of the tracer uptake rates while requiring good fit of traditional Patlak equations. This minimization guarantees spatial homogeneity within brain regions and good distinction between brain regions. Brain phantom simulations demonstrate significant improvement in quality of images by the proposed method as compared to Patlak images with post-filtering using Gaussian or median filters.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Computerized Medical Imaging and Graphics - Volume 33, Issue 4, June 2009, Pages 295–303
نویسندگان
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