کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
504366 864297 2010 7 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Limited view PET reconstruction of tissue radioactivity maps
موضوعات مرتبط
مهندسی و علوم پایه مهندسی کامپیوتر نرم افزارهای علوم کامپیوتر
پیش نمایش صفحه اول مقاله
Limited view PET reconstruction of tissue radioactivity maps
چکیده انگلیسی

This paper proposes a state space method for limited view PET reconstruction. Due to the high-level of noise and data-incompletion, prior knowledge is required to guide PET recovery. The compartmental model is used as an evolution equation to regularize the dynamic reconstruction. The continuous–discrete Kalman filter is adopted to calculate the radioactivity value recursively. With tracer kinetic information as prior, the state space approach can obtain a better result compared with the MLEM algorithm. The identifiability of this method is proved by computer synthetic simulation and real phantom experiment on the Hamamatsu SHR-22000PET scanner.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Computerized Medical Imaging and Graphics - Volume 34, Issue 2, March 2010, Pages 142–148
نویسندگان
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