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Fast computation of the sensitivity matrix in iterative algorithms
Fast computation of the sensitivity matrix in iterative algorithms
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机译:迭代算法中灵敏度矩阵的快速计算
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摘要
An image processing apparatus includes a geometric correction memory which stores a pre-calculated geometric matrix specific to an imaging apparatus. An attenuation map memory which stores an attenuation map of a subject to be imaged in the imaging apparatus. A buffer stores a plurality of lines generated by the imaging apparatus to be reconstructed. A processor reconstructs the lines into a attenuation corrected image representation of the subject using the lines from the buffer, the attenuation map, and the geometric matrix.
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