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Smooth Weighted Approach for Colour Histogram Construction using Human Colour Perception for CBIR Applications

Author(s): Shaila S.G | A.Vadivel

Journal: International Journal of Multimedia & Its Applications
ISSN 0975-5934

Volume: 4;
Issue: 1;
Start page: 113;
Date: 2012;
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Keywords: Human colour perception | Smooth distribution | NBS distance | background complex.

In this paper, we construct histogram based on Human colour visual perception for Content-Based Image Retrieval. For each pixel, the true colour and grey colour proportion is calculated using a suitable weight function. During histogram construction, the hue and intensity value is iteratively distributed to theneighbouring bins. The NBS distance between the colour value of reference bin to the adjacent bins areestimated. The NBS distance value provides the proportion of overlap of colour of the reference bin with the adjacent bins and accordingly the weight is updated. This kind of procedure for constructing the histogram uses minute colour information and captures the complex background colour content. The distribution makes it possible to extract the background colour information effectively along with theforeground information. The low-level feature of all the database images are extracted and stored in feature database. The relevant images are retrieved for a query image based on the similarity ranking between the query and database images and Manhattan distance is used as similarity measure. The performance of the proposed approach using coral benchmark dataset is encouraging and the precision ofretrieval is compared with some of the similar work.

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