Corrigendum to “A novel sparse representation model for pedestrian abnormal trajectory understanding” (Expert Systems With Applications (2019) 138, (S0957417419304415), (10.1016/j.eswa.2019.06.041))

1. Chen, Z.
2. Cai, H.
3. Zhang, Y.
4. Wu, C.
5. Mu, M.
6. Li, Z.
7. Sotelo, M.A.