TY - JOUR
T1 - Coefficient selection methods for scalable spread spectrum watermarking
AU - Piper, Angela
AU - Safavi-Naini, Reihaneh
AU - Mertins, Alfred
PY - 2004/12/1
Y1 - 2004/12/1
N2 - With the increasing use of mobile and internet technology as a means of content distribution, we see a move towards scalable content distribution mechanisms, which allow the adaptation of content to the requirements of the target system. Adequate protection of scalable content requires the adoption of scalable watermarking algorithms. Many of the existing algorithms are based on the spread spectrum techniques, first presented in a watermarking context by Cox et al. [2]. The various algorithms often use quite different methods for coefficient selection, resulting in different watermark properties. We examine the effect of the coefficient selection method on watermark scalability by considering the quality and resolution scalability of seven simple selection methods when used as part of a spread spectrum watermarking algorithm.
AB - With the increasing use of mobile and internet technology as a means of content distribution, we see a move towards scalable content distribution mechanisms, which allow the adaptation of content to the requirements of the target system. Adequate protection of scalable content requires the adoption of scalable watermarking algorithms. Many of the existing algorithms are based on the spread spectrum techniques, first presented in a watermarking context by Cox et al. [2]. The various algorithms often use quite different methods for coefficient selection, resulting in different watermark properties. We examine the effect of the coefficient selection method on watermark scalability by considering the quality and resolution scalability of seven simple selection methods when used as part of a spread spectrum watermarking algorithm.
UR - http://www.scopus.com/inward/record.url?scp=33746780992&partnerID=8YFLogxK
U2 - 10.1007/978-3-540-24624-4_18
DO - 10.1007/978-3-540-24624-4_18
M3 - Journal articles
AN - SCOPUS:33746780992
SN - 0302-9743
VL - 2939
SP - 235
EP - 246
JO - Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
JF - Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
ER -