Ridgelet transform applied to motion compensated images

Authors:
L. Granai;F. Moschetti;P. Vandergheynst
Affiliations:
ITS Signal Process. Inst., EPFL Swiss Fed. Institutue of Technol., Lausanne, Switzerland;Next Generation Terminals Res. Lab., Samsung Electron. Co. Ltd., Suwon, South Korea;Dept. of Comput. Sci., Brandeis Univ., Waltham, MA, USA
Venue:
ICME '03 Proceedings of the 2003 International Conference on Multimedia and Expo - Volume 2
Year:
2003

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Abstract

Wavelet transform is a powerful instrument in catching zero-dimensional singularities. Ridgelets are powerful instrument in catching and representing mono-dimensional singularities in bidimensional space. In this paper we propose a hybrid video coder scheme using ridgelet transform for the first approximation of line-edge singularities in displaced frame difference images. We demonstrate the potential of ridgelets and results show substantial improvements when compared to wavelet only based coder.