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Proceedings Paper

Characterizing region of interest in image using MPEG-7 visual descriptors
Author(s): Min-Sung Ryu; Soo-Jun Park; Chee Sun Won
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Paper Abstract

In this paper, we propose a region-based image retrieval system using EHD (Edge Histogram Descriptor) and CLD (Color Layout Descriptor) of MPEG-7 descriptors. The combined descriptor can efficiently describe edge and color features in terms of sub-image regions. That is, the basic unit for the selection of the region-of-interest (ROI) in the image is the sub-image block of the EHD, which corresponds to 16 (i.e., 4x4) non-overlapping image blocks in the image space. This implies that, to have a one-to-one region correspondence between EHD and CLD, we need to take an 8x8 inverse DCT (IDCT) for the CLD. Experimental results show that the proposed retrieval scheme can be used for image retrieval with the ROI based image retrieval for MPEG-7 indexed images.

Paper Details

Date Published: 15 September 2005
PDF: 9 pages
Proc. SPIE 5909, Applications of Digital Image Processing XXVIII, 59090O (15 September 2005); doi: 10.1117/12.623830
Show Author Affiliations
Min-Sung Ryu, Dongguk Univ. (South Korea)
Soo-Jun Park, Electronics and Telecommunications Research Institute (South Korea)
Chee Sun Won, Dongguk Univ. (South Korea)

Published in SPIE Proceedings Vol. 5909:
Applications of Digital Image Processing XXVIII
Andrew G. Tescher, Editor(s)

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