Inference scene labeling by incorporating object detection with explicit shape model

Authors:
Quan Zhou;Wenyu Liu
Affiliations:
Dept. of Electronics and Information Engineering, Huazhong University of Science and Technology, Wuhan, China PR;Dept. of Electronics and Information Engineering, Huazhong University of Science and Technology, Wuhan, China PR
Venue:
ACCV'10 Proceedings of the 10th Asian conference on Computer vision - Volume Part III
Year:
2010

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Abstract

In this paper, we incorporate shape detection into contextual scene labeling and make use of both shape, texture, and context information in a graphical representation. We propose a candidacy graph, whose vertices are two types of recognition candidates for either a superpixel or a window patch. The superpixel candidates are generated by a discriminative classifier with textural features as well as the window proposals by a learned deformable templates model in the bottom-up steps. The contextual and competitive interactions between graph vertices, in form of probabilistic connecting edges, are defined by two types of contextual metrics and the overlapping of their image domain, respectively. With this representation, a composite clustering sampling algorithm is proposed to fast search the optimal convergence globally using the Markov Chain Monte Carlo (MCMC). Our approach is applied on both lotus hill institute (LHI) and MSRC public datasets and achieves the state-of-art results.