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ICIP
2002
IEEE
16 years 8 months ago
Affine transformation resistant watermarking based on image normalization
Geometric attacks are among the most challenging problems in present day watermarking. Such attacks are very simple to implement yet they can defeat most of the existing watermark...
Ping Dong, Nikolas P. Galatsanos
ICIP
2000
IEEE
16 years 8 months ago
Compression Tolerant Watermarking for Image Verification
Digital Watermarking is seen as a viable solution to authentication of multimedia data and hence its security, especially in a networked environment. In this paper we present a ne...
Harpal S. Bassali, Jatin Chhugani, Saurabh Agarwal...
ICIP
2000
IEEE
16 years 8 months ago
Finite Precision Wavelets for Image Coding: Lossy and Lossless Compression Performance Evaluation
This paper investigates the robustness of the wavelet transform, implemented by means of the Lifting Scheme (LS), with respect to numerical errors in the representation and calcul...
Marco Grangetto, Enrico Magli, Gabriella Olmo
VIS
2003
IEEE
247views Visualization» more  VIS 2003»
16 years 7 months ago
Shape Simplification Based on the Medial Axis Transform
We present a new algorithm for simplifying the shape of 3D objects by manipulating their medial axis transform (MAT). From an unorganized set of boundary points, our algorithm com...
Roger C. Tam, Wolfgang Heidrich
ICPR
2008
IEEE
16 years 7 months ago
Multi-cue collaborative kernel tracking with cross ratio invariant constraint
In this paper, a novel multi-cue collaborative kernel tracking algorithm is proposed. A new constraint based on the property of cross ratio invariant enables tracking of objects i...
Hanqing Lu, Jian Cheng, Lili Ma