What is the best way for extracting meaningful attributes from pictures?

Liangchen Liu, Arnold Wiliem, Shaokang Chen, Brian C. Lovell. What is the best way for extracting meaningful attributes from pictures?. Pattern Recognition, 64:314-326, 2017. [doi]

@article{LiuWCL17-0,
  title = {What is the best way for extracting meaningful attributes from pictures?},
  author = {Liangchen Liu and Arnold Wiliem and Shaokang Chen and Brian C. Lovell},
  year = {2017},
  doi = {10.1016/j.patcog.2016.10.034},
  url = {http://dx.doi.org/10.1016/j.patcog.2016.10.034},
  researchr = {https://researchr.org/publication/LiuWCL17-0},
  cites = {0},
  citedby = {0},
  journal = {Pattern Recognition},
  volume = {64},
  pages = {314-326},
}