@ARTICLE{SK_TIP14,
	author = {Botao Wang and Hongkai Xiong and Xiaoqian Jiang and Y.F. Zheng},
	journal = {IEEE Trans. Image Processing (TIP)},
	title = {Data-Driven Hierarchical Structure Kernel for Multiscale Part-Based Object Recognition},
	year = {2014},
	month = {April},
	volume = {23},
	number = {4},
	pages = {1765--1778},
}