Combining multiple spatial hidden Markov models in image semantic classification and annotation. - Lihua Wang 004; Horace Ho-Shing Ip (ICPR, 2008)

Image Categorization Based on a Hierarchical Spatial Markov Model. - Lihua Wang 004; Zhiwu Lu 001; Horace Ho-Shing Ip (CAIP, 2009)

Human 3D Motion Recognition Based on Spatial-Temporal Context of Joints. - Qiong Zhao; Lihua Wang 004; Horace Ho-Shing Ip; Xuehai Zhou (ICPR, 2010)