Applied Technology in Image Retrieval via 8-Direction Gaussian Density in the DCT Domain

Jian Feng Wang; Wen Ming Wu; Xiao Rong Zhao

doi:10.4028/www.scientific.net/AMR.977.431

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 977Applied Technology in Image Retrieval via...

Applied Technology in Image Retrieval via 8-Direction Gaussian Density in the DCT Domain

Abstract:

In this paper, A new algorithm for compressed image retrieval is proposed based on Gaussian Density Feature Vector(GDFV). This algorithm directly extract gaussian density of 8 direction from compressed image data to construct a 2-dimention array (8*4) as an indexing key to retrieve images based on their content features. To test and evaluate the proposed algorithms, we carried out experiments with a database of 1000 images. In comparison with existing representative techniques, the experimental results show the superiority of the proposed method in terms of retrieval precision and processing speed.

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Periodical:

Advanced Materials Research (Volume 977)

Pages:

431-434

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.977.431

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Online since:

June 2014

Authors:

Jian Feng Wang*, Wen Ming Wu, Xiao Rong Zhao

Keywords:

DCT, Feature Vector, Gaussian Density, Image Retrieval

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