Multi-scale Collaborative Searching through Swarming. - Wangyi Liu; Yasser E. Taima; Martin B. Short; Andrea L. Bertozzi (ICINCO (2), 2010)

Object level image saliency by hierarchical segmentation. - Zhenzhen Zhang; Junjie Cao 001; Guangyu Zhong; Wangyi Liu; Zhixun Su (ICIP, 2013)