A Multitask Sign Language Recognition System Using Commodity Wi-Fi

Table 2

Evaluation of the different input sizes.

Data groups	Wi-SignFi (200 × 60 × 3) (%)	Wi-SignFi (200 × 180) (%)	Wi-SignFi (224 × 224 × 3) (%)
Home276	98.91	99.71	99.75
Lab276	99.61	99.67	99.80
Lab + Home276	98.90	99.40	99.69
Lab150 (five users)	94.95	96.79	96.41
Mean	98.09	98.89	98.91

The bold values given in Table 2 represent the best action recognition results for each of the four datasets.