WINDOW SHAPING FUNCTIONS FOR WATERMARKING OF MULTIMEDIA SIGNALS
摘要
A window shaping function is described which has an integral over the window shaping function of zero. Compared with conventional window shaping functions, this window shaping function improves the robustness of the watermark signal for a given quality of host signal. Methods and apparatus suitable for utilizing this window shaping function within a watermarking scheme are described.
申请公布号
WO03083860(A1)
申请公布日期
2003.10.09
申请号
WO2003IB00800
申请日期
2003.02.26
申请人
KONINKLIJKE PHILIPS ELECTRONICS N.V.;LEMMA, AWEKE, N.;APREA, JAVIER, F.