They use a Bag of Visual Words ( BoVW ) model ( Lowe , 2004 ) to create a bimodal vocabulary describing documents .
distinctive image features from scaleinvariant keypoints
David G Lowe
The first work to do this with topic models is Feng and Lapata ( 2010b ) . They use a Bag of Visual Words ( BoVW ) model ( Lowe , 2004 ) to create a bimodal vocabulary describing documents . The topic model using the bimodal vocabulary outperforms a purely textual based model in word association and word similarity prediction .
They use a Bag of Visual Words ( BoVW ) model ( @@CITATION ) to create a bimodal vocabulary describing documents .