. 2019 Apr 28;2019:9783106. doi: 10.1155/2019/9783106
Copyright © 2019 Da-wei Yang et al.
This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Figure 1.
Data representation with a 4th-order tensor.