1 Correction to: Machine Vision and Applications (2018) 29:655–666 https://doi.org/10.1007/s00138-018-0924-0

In the affiliation of the first author, Shandong University was omitted by mistake. The affiliation of the first author should be: 1. School of Information Science and Engineering, Shandong University. 2. WAVE Joint Laboratory for Cognitive Computing Technology, Beijing, China.