Abstract
The field of digital watermarking has recently seen numerous
articles covering novel techniques, theoretical studies, attacks,
and analysis. In this paper, we focus on an emerging application
to highlight practical challenges for digital watermarking
applications. Challenges include design considerations,
requirements analysis, choice of watermarking techniques, speed,
robustness, and the tradeoffs involved. We describe common
attributes of watermarking systems and discuss the challenges in
developing real world applications. Our application uses digital
watermarking to connect ordinary toys to the digital world. The
application captures important aspects of watermarking systems
and illustrates some of the design issues faced.