ICASSP
2008
IEEE
14 years 7 months ago
2008
IEEE
In this paper a new class of invertible watermarking approach based on quantization has been introduced. Based on the necessary conditions (blindness, reversibility and impercepti...
APPROX
2009
Springer
14 years 7 months ago
2009
Springer
We show that for every α > 0, there exist n-point metric spaces (X, d) where every “scale” admits a Euclidean embedding with distortion at most α, but the whole space req...