Yasunori Ishikawa, Kazutake Uehira, Kazuhisa Yanaka. Robustness against defocusing of images in optical watermarking technique. In Annual Meeting of the IEEE Industry Applications Society, IAS 2012, Las Vegas, NV, USA, October 7-11, 2012, Proceedings. pages 1-5, IEEE, 2012. [doi]
Abstract is missing.