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A Robust Color Object Analysis Approach to Efficient Image Retrieval

Abstract

We describe a novel indexing and retrieval methodology integrating color, texture, and shape information for content-based image retrieval in image databases. This methodology, we call CLEAR, applies unsupervised image segmentation to partition an image into a set of objects. Fuzzy color histogram, fuzzy texture, and fuzzy shape properties of each object are then calculated to be its signature. The fuzzification procedures effectively resolve the recognition uncertainty stemming from color quantization and human perception of colors. At the same time, the fuzzy scheme incorporates segmentation-related uncertainties into the retrieval algorithm. An adaptive and effective measure for the overall similarity between images is developed by integrating properties of all the objects in every image. In an effort to further improve the retrieval efficiency, a secondary clustering technique is developed and employed, which significantly saves query processing time without compromising retrieval precision. A prototypical system of CLEAR, we developed, demonstrated the promising retrieval performance and robustness in color variations and segmentation-related uncertainties for a test database containing general-purpose color images, as compared with its peer systems in the literature.

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Correspondence to Ruofei Zhang.

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Zhang, R., Zhang, Z.M. A Robust Color Object Analysis Approach to Efficient Image Retrieval. EURASIP J. Adv. Signal Process. 2004, 878369 (2004). https://doi.org/10.1155/S111086570431214X

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Keywords and phrases

  • content-based image retrieval
  • fuzzy logic
  • region-based features
  • object analysis
  • clustering
  • efficiency