@article{Hajime Matsunaga20182018XBL0120, title={A video quality improvement technique for a fast combined watermark embedding method}, author={Hajime Matsunaga and Tomoko Sawabe and Masami Kihara}, journal={IEICE Communications Express}, volume={advpub}, number={ }, pages={2018XBL0120}, year={2018}, doi={10.1587/comex.2018XBL0120} }