Koutaro Okada

According to our database, Koutaro Okada authored at least 2 papers between 2017 and 2018.

Collaborative distances:

• Dijkstra number of six.
• Erdős number of five.

2018

A Construction of the (4, n)-Threshold Visual Cryptography Scheme Using a 3-Design.

Koutaro Okada, Hiroki Koga

Proceedings of the International Symposium on Information Theory and Its Applications, 2018

2017

A construction of the progressive (3, n)-threshold visual cryptography using a BIBD and analysis of its optimality.

Koutaro Okada, Hiroki Koga

Proceedings of the 2017 IEEE Information Theory Workshop, 2017