... inimage collections [191, 181, 33 , 2 13] , using pLSI to discover semantic conceptsin image collections [240, 2 43] , using LDA to classify scene image categories[ 73, 74, 76], using pLSI to learn ... follows. Section 3. 2 intro-duces Bayesian learning. A well-studied statistical analysis technique, Prob-abilistic Latent Semantic Analysis, is introduced in Section 3. 3. Section 3. 4introduces ... Model(Spatial-LTM) [33 ] and Wang and Grimson propose the Spatial Latent Dirich-let Allocation (SLDA) [2 13] . To further model the temporal correlation fortemporal data or time-series data, Teh et al [2 03] further...