Table 1 Results on noise robustness of the methods in the two-dimensional model
From: A new approach to the intracardiac inverse problem using Laplacian distance kernel
HNR MAE (mV) | SNR MAE (mV) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
L-Curve | ||||||||||
(dB) | 25 | 30 | 40 | 50 | \(\infty\) | 25 | 30 | 40 | 50 | \(\infty\) |
FTSVD | 1.768 | 1.862 | 1.269 | 0.145 | 1.051 | 2.266 | 1.507 | 8.044 | 0.192 | 1.051 |
FOT | 3.094 | 2.433 | 1.791 | 1.599 | 1.517 | 4.230 | 2.734 | 1.703 | 1.530 | 1.518 |
FTV | 1.766 | 1.066 | 0.366 | 0.117 | 8.11\(e^{-12}\) | 4.032 | 2.233 | 0.697 | 0.226 | 8.11\(e^{-12}\) |
LOO | ||||||||||
FTSVD | 7.846 | 7.97 | 8.015 | 8.026 | 8.011 | 8.030 | 8.017 | 8.013 | 8.011 | 8.011 |
FOT | 1.363 | 0.867 | 0.335 | 0.116 | 4.58\(e^{-13}\) | 1.188 | 0.900 | 0.499 | 0.210 | 4.58\(e^{-13}\) |
FTV | 1.388 | 0.805 | 0.258 | 0.083 | 7.88\(e^{-12}\) | 2.112 | 1.197 | 0.380 | 0.117 | 7.88\(e^{-12}\) |
Grid search | ||||||||||
DSM−SVR | 1.754 | 1.053 | 0.354 | 0.107 | 3.28\(e^{-4}\) | 4.030 | 2.232 | 0.696 | 0.225 | 3.28\(e^{-4}\) |