Comparing implementations of penalized weighted least-squares sinogram restoration
نویسندگان
چکیده
منابع مشابه
Comparing implementations of penalized weighted least-squares sinogram restoration.
PURPOSE A CT scanner measures the energy that is deposited in each channel of a detector array by x rays that have been partially absorbed on their way through the object. The measurement process is complex and quantitative measurements are always and inevitably associated with errors, so CT data must be preprocessed prior to reconstruction. In recent years, the authors have formulated CT sinog...
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ژورنال
عنوان ژورنال: Medical Physics
سال: 2010
ISSN: 0094-2405
DOI: 10.1118/1.3490476