• Title/Summary/Keyword: Scalable Color Descriptor (SCD)

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The Usage of Color & Edge Histogram Descriptors for Image Mining (칼라와 에지 히스토그램 기술자를 이용한 영상 마이닝 향상 기법)

  • An, Syungog;Park, Dong-Won;Singh, Kulwinder;Ma, Ming
    • The Journal of Korean Association of Computer Education
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    • v.7 no.5
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    • pp.111-120
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    • 2004
  • The MPEG-7 standard defines a set of descriptors that extracts low-level features such as color, texture and object shape from an image and generates metadata in order to represent these extracted information. But the matching performance for image mining ma y not be satisfactory by u sing only on e of these features. Rather than by combining these features we can achieve a better query performance. In this paper we propose a new image retrieval technique for image mining that combines the features extracted from MPEG-7 visual color and texture descriptors. Specifically, we use only some specifications of Scalable Color Descriptor (SCD) and Non-Homogeneous Texture Descriptor also known as Edge Histogram Descriptor (EHD) for the implementation of the color and edge histograms respectively. MPEG-7 standard defines $l_{1}$-norm based matching in EHD and SCD. But in our approach, for distance measurement, we achieve a better result by using cosine similarity coefficient for color histograms and Euclidean distance for edge histograms. Our approach toward this system is more experimental based than hypothetical.

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