Computing, Telecommunication and Control Информатика, телекоммуникации и управление 2687-0517 35 The estimation of an efficiency of digital water-marking system for images under condition of a coalition attack Оценка эффективности использования системы цифровых «водяных» знаков для изображений в условиях коалиционных атак Ushmotkin Anton Korzhik Valery 10 10 2008 5 65 198 203

Digital watermarking (DWM) system for images using spread spectrum signals is examined. The estimation of an efficiency of DWM system is produced in the article in terms of error probability of missing and false detecting of coalition participants.

 digital watermark copyright spread spectrum signal coalition attack error probability detector modelling