A SVD-Based Method to Assess the Uniqueness and Accuracy of SPECT Geometrical Calibration

@article{Ma2009ASM,
  title={A SVD-Based Method to Assess the Uniqueness and Accuracy of SPECT Geometrical Calibration},
  author={Tianyu Ma and Rutao Yao and Yiping Shao and Rong Zhou},
  journal={IEEE Transactions on Medical Imaging},
  year={2009},
  volume={28},
  pages={1929-1939}
}
Geometrical calibration is critical to obtaining high resolution and artifact-free reconstructed image for SPECT and CT systems. Most published calibration methods use analytical approach to determine the uniqueness condition for a specific calibration problem, and the calibration accuracy is often evaluated through empirical studies. In this work, we present a general method to assess the characteristics of both the uniqueness and the quantitative accuracy of the calibration. The method uses a… CONTINUE READING
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