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US08208599B2 Iterative reconstruction with enhanced noise control filtering 有权
具有增强噪声控制滤波的迭代重建

Iterative reconstruction with enhanced noise control filtering
Abstract:
An imaging system (10) comprises at least one radiation detector (20) disposed adjacent a subject receiving aperture (18) to detect radiation from a subject, receive the radiation and generate measured data. An image processor (38) iteratively reconstructs the detected radiation into image representations, in each reconstruction iteration the image processor (38) applies noise reduction algorithms to at least a difference between the measured data and a portion of a previous iteration image representation.
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