... 2011, Article ID 176026, 25 pagesdoi:10.1155/2011/176026 Research Article Efficient Data Association in Visual Sensor Networks with Missing Detection Jiuqing Wan and Qing yun LiuDepartment of Automation, ... in case ofmissing detection. Firstly, to deal with the problem of missing detection, we introduce a set of random variables, namely routinevariables, into the DBN model to describe the uncertainty ... show the trajectories recovered by EM with appearance based inference, EM with MCMC inference, EM with forward approximate inference I, EM with backwardapproximate inference I, EM with forward...