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Optimized values of the hyperparameters, for each encoding threshold, following grid search.
| Threshold (ϑ) | ||||
|---|---|---|---|---|
| 1 | 2 | 5 | 10 | |
| scale | 5 | 15 | 10 | 10 |
| time_bin_size (ms) | 5 | 3 | 3 | 5 |
| nb_input_copies | 2 | 8 | 4 | 2 |
| tau_mem (ms) | 60 | 50 | 70 | 70 |
| tau_ratio | 10 | 10 | 10 | 10 |
| fwd_weight_scale | 1 | 1 | 1.5 | 4 |
| weight_scale_factor | 1e-2 | 2e-2 | 3.5e-2 | 1.5e-2 |
| reg_spikes | 4e-3 | 1.5e-3 | 1e-3 | 1.5e-3 |
| reg_neurons | 1e-6 | 0 | 0 | 0 |
