Shuqin Tu, Yueju Xue, Jinfeng Wang, Xiaolin Huang and Xiao Zhang. (2014). Learning Block Group Spase Representation Combined with Convolutional Neural Networks for RGB-D Object Recognition.
Journal of Fiber Bioengineering and Informatics. 7 (4).
603-613.
doi:10.3993/jfbi12201413