Visual pattern discovery for architecture image classification and product image search

  • Authors:
  • Wei-Ta Chu;Ming-Hung Tsai

  • Affiliations:
  • National Chung Cheng University, Chiayi, Taiwan;National Chung Cheng University, Chiayi, Taiwan

  • Venue:
  • Proceedings of the 2nd ACM International Conference on Multimedia Retrieval
  • Year:
  • 2012

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Abstract

Many objects have repetitive elements, and finding repetitive patterns facilitates object recognition and numerous applications. We devise a representation to describe configurations of repetitive elements. By modeling spatial configurations, visual patterns are more discriminative than local features, and are able to tackle with object scaling, rotation, and deformation. We transfer the pattern discovery problem into finding frequent subgraphs from a graph, and exploit a graph mining algorithm to solve this problem. Visual patterns are then exploited in architecture image classification and product image retrieval, based on the idea that visual pattern can describe elements conveying architecture styles and emblematic motifs of brands. Experimental results show that our pattern discovery approach has promising performance and is superior to the conventional bag-of-words approach.