Table 1: Number of frames of each dataset, distribution of frames per class (fall and “no fall”), and number of fall/“no fall” samples (sequences of frames corresponding to a fall or a “no fall” event).

Dataset Total frames Fall frames No fall frames Falls #No falls #

URFD 11,936 900 11,036 30 973
Multicam 261,137 7,880 253,257 184 376
FDD 108,476 3,825 104,651 127 221