Skip to main content

Table 3 Dyadic phase geometry: Mean SSIM results (OFF & ON) over each image pair and median over all pairs

From: Optimal compressed sensing reconstructions of fMRI using 2D deterministic and stochastic sampling geometries

Sample rate Image1 Image2 Image3 Image4 Image5 Image6 Image7 Image8 Image9 Image10 Image11 Image12 Median
62.50 0.9938 0.9935 0.9890 0.9932 0.9937 0.9928 0.9880 0.9933 0.9922 0.9921 0.9949 0.9931 0.99315
48.50 0.9839 0.9806 0.9721 0.9803 0.9842 0.9781 0.9748 0.9749 0.9773 0.9784 0.9844 0.9817 0.97935
40.60 0.9661 0.9696 0.9512 0.9657 0.9633 0.9558 0.9575 0.9608 0.9596 0.9613 0.9668 0.9658 0.9623
32.80 0.9347 0.9428 0.9207 0.9358 0.9452 0.9027 0.9223 0.9371 0.9331 0.9223 0.9518 0.9422 0.93525
28.10 0.9032 0.9277 0.8863 0.9020 0.9173 0.8918 0.9163 0.9068 0.9024 0.8963 0.9268 0.9206 0.905
26.60 0.8758 0.9097 0.8612 0.8865 0.8928 0.8537 0.8440 0.8918 0.8922 0.8678 0.9068 0.8987 0.88915
25.00 0.8798 0.8957 0.8379 0.8891 0.8815 0.8705 0.8799 0.8935 0.8764 0.8666 0.8990 0.8972 0.8807
21.90 0.8452 0.8624 0.8087 0.8569 0.8394 0.8409 0.8507 0.8559 0.8483 0.8380 0.8649 0.8653 0.8495
20.30 0.7779 0.7816 0.7852 0.7822 0.7928 0.6842 0.6782 0.8073 0.8019 0.7844 0.8179 0.8110 0.7848
  1. Average SSIM values are computed using the leave-one out method. The median parameter values of the 12 training sets are set to the median values of the 11 images in the training set and then tested on the remaining image pair. The table shows the results from the testing phase.