Hiroyasu Kitazawa

We don’t have enough information about this author to calculate their statistics. If you think this is an error let us know.
Learn More
In this study, we focus on a technique that embeds an electronically readable watermark directly on printed materials. This technique is used in the single-dot pattern method proposed by Kaneda et al. In the existing method, we extend a media size to A4 and improve an extraction rate over 99%. In this paper, if we change the type of printer, we verified the(More)
  • 1