Table 3. Effect of number of filters on validation classification accuracy (%). The mean (standard deviation) of the accuracy for three training runs are reported. (GRU, 2x2 receptive field, 64x32 patch size, single-layer vertical unidirectional RNN, 25% dropout).

Filters	Network parameters	Acc. (%)
8	37,273	95.62 (0.08)
16	74,857	96.05 (0.04)
32	151,177	96.28 (0.02)
64	308,425	96.32 (0.02)