A watermarking system based on complementary quantization

Authors:
Ching-Tang Hsieh;Yeh-Kuang Wu
Affiliations:
Department of Electrical Engineering, Tamkang University, Tamhsui, Taipei, Taiwan, R.O.C.;Department of Electrical Engineering, Tamkang University, Tamhsui, Taipei, Taiwan, R.O.C.
Venue:
SSIP'06 Proceedings of the 6th WSEAS International Conference on Signal, Speech and Image Processing
Year:
2006

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Abstract

We present an approach for representing digital image by using B-spline curve fittings to the segmented digital image. The image is first segmented to form isolated contours and regions. Each region's boundary (contour) is thereafter approximated by ...