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Proceedings Paper

Power-spectrum-based shape matching for MPEG-7
Author(s): Seung Hak Rhee; Muhammad Bilal Ahmad; Jong-An Park
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Paper Abstract

A frequency transform-based statistical method is proposed for shape matching for MPEG-7. Shape description and its corresponding matching algorithm is one of the main concerns in MPEG-7. The normalized frequency transform is invariant to translation and scaling. The image is transformed into frequency domain using Fourier Transform. Two similar images will have same power spectrum. Annular and radial wedge distributions for the power spectra are extracted. The annular and radial wedges can be set arbitrarily. Different statistical features, such as mean and variances are found for the power spectrum of each selected transformed individual feature. The Euclidean or Minkowsky distance of the extracted features are found with respect to the shapes in the database. The minimum distance is the candidate for the matched shape. The simulation results are performed on the test shapes of MPEG-7.

Paper Details

Date Published: 30 August 2002
PDF: 5 pages
Proc. SPIE 4925, Electronic Imaging and Multimedia Technology III, (30 August 2002); doi: 10.1117/12.481563
Show Author Affiliations
Seung Hak Rhee, Chosun Univ. (South Korea)
Muhammad Bilal Ahmad, Kwangju Institute of Science and Technology (South Korea)
Jong-An Park, Chosun Univ. (South Korea)

Published in SPIE Proceedings Vol. 4925:
Electronic Imaging and Multimedia Technology III
LiWei Zhou; Chung-Sheng Li; Yoshiji Suzuki, Editor(s)

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