TABLE 1

Dependence of PET-Based Respiratory Trace Quality on Sinogram-Space Compression

Correlation coefficients*
Radial binsProjectionsresp_leresp_pcaresp_le+sensresp_pca+sens
110.25 ± 0.300.25 ± 0.300.51 ± 0.290.52 ± 0.29
1110.30 ± 0.320.33 ± 0.340.70 ± 0.190.73 ± 0.14
2210.34 ± 0.340.40 ± 0.340.63 ± 0.250.71 ± 0.17
4410.31 ± 0.320.36 ± 0.340.56 ± 0.300.67 ± 0.24
4430.42 ± 0.340.56 ± 0.340.60 ± 0.240.74 ± 0.21
4460.39 ± 0.320.58 ± 0.330.54 ± 0.250.71 ± 0.25
4490.37 ± 0.300.56 ± 0.340.46 ± 0.290.69 ± 0.26
  • * Reference: resp_mr.

  • Shown values are averaged over entire patient population (mean ± SD).