Mitsuo Okada

According to our database, Mitsuo Okada authored at least 7 papers between 2005 and 2012.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2012

New CAPTCHA for smartphones and tablet PC.

Mitsuo Okada, Sakito Matsuyama

Proceedings of the 2012 IEEE Consumer Communications and Networking Conference (CCNC), 2012

2011

User-friendly digital watermark extraction using semi-transparent image.

Mitsuo Okada, Sakito Matsuyama, Yoshinori Hara

Proceedings of the 2011 IEEE Consumer Communications and Networking Conference, 2011

2010

A Web-Based Privacy-Secure Content Trading System for Small Content Providers Using Semi-Blind Digital Watermarking.

Mitsuo Okada, Yasuo Okabe, Tetsutaro Uehara

Proceedings of the 7th IEEE Consumer Communications and Networking Conference, 2010

2009

Security Analysis on Privacy-Secure Image Trading Framework Using Blind Watermarking.

Mitsuo Okada, Yasuo Okabe, Tetsutaro Uehara

Proceedings of the Ninth Annual International Symposium on Applications and the Internet, 2009

Semi-blind Fingerprinting Utilizing Ordinary Existing Watermarking Techniques.

Mitsuo Okada, Yasuo Okabe, Tetsutaro Uehara

Proceedings of the Digital Watermarking, 8th International Workshop, 2009

2008

Multi-Bit Embedding in Asymmetric Digital Watermarking without Exposing Secret Information.

Mitsuo Okada, Hiroaki Kikuchi, Yasuo Okabe

IEICE Trans. Inf. Syst., 2008

2005

Secure Asymmetric Watermark Detection Without Secret of Modified Pixels.

Mitsuo Okada, Hiroaki Kikuchi

Proceedings of the Information Security Applications, 6th International Workshop, 2005