Weakly supervised specific object modelling for recognition

Shengping Xia; Jianjun Liu; Rui Song

doi:10.1117/12.831350

30 October 2009 Weakly supervised specific object modelling for recognition

Shengping Xia, Jianjun Liu, Rui Song

Proceedings Volume 7496, MIPPR 2009: Pattern Recognition and Computer Vision; 74960Q (2009) https://doi.org/10.1117/12.831350
Event: Sixth International Symposium on Multispectral Image Processing and Pattern Recognition, 2009, Yichang, China

Abstract

This paper describes how to construct a hyper-graph model from a large corpus of multi-view images using local invariant features. We commence by representing each image with a graph, which is constructed from a group of selected SIFT features. We then propose a new pairwise clustering method based on a graph matching similarity measure. The positive example graphs of a specific class accompanied with a set of negative example graphs are clustered into one or more clusters, which minimize an entropy function with a restriction defined on the F-measure( 2/_{(1recall+1/ precision)} ). Each cluster is implified into a tree structure composed of a series of irreducible graphs, and for each of which a node co-occurrence probability matrix is obtained. Finally, a recognition oriented class specific hyper-graph(CSHG) is automatically generated from the given graph set. Experiments are performed on over 50K training images spanning ~500 objects and over 20K test images of 68 objects. This demonstrates the scalability and recognition performance of our model.

Citation Download Citation

Shengping Xia, Jianjun Liu, and Rui Song "Weakly supervised specific object modelling for recognition", Proc. SPIE 7496, MIPPR 2009: Pattern Recognition and Computer Vision, 74960Q (30 October 2009); https://doi.org/10.1117/12.831350

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KEYWORDS

Object recognition

Data modeling

3D modeling

Prototyping

Visualization

Feature extraction

Modeling

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