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3D Sub-Query Expansion for Improving Sketch-based Multi-View Image Retrieval

By Yen-liang Lin, Cheng-yu Huang, Hao-jeng Wan and Winston Hsu

Abstract

We propose a 3D sub-query expansion approach for boosting sketch-based multi-view image retrieval. The core idea of our method is to automatically convert two (guided) 2D sketches into an approximated 3D sketch model, and then generate multi-view sketches as expanded sub-queries to improve the retrieval performance. To learn the weights among synthesized views (sub-queries), we present a new multi-query feature to model the similarity between subqueries and dataset images, and formulate it into a convex optimization problem. Our approach shows superior performance compared with the state-of-the-art approach on a public multi-view image dataset. Moreover, we also conduct sensitivity tests to analyze the parameters of our approach based on the gathered user sketches. 1

Year: 2014
OAI identifier: oai:CiteSeerX.psu:10.1.1.412.6034
Provided by: CiteSeerX
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