The blockchain-based digital content distribution system was developed. Decentralized and
pear-to-pear authentication mechanism can be considered as the ideal rights management …

A new mechanism is proposed for securing a blockchain applied to contracts management
such as digital rights management. This mechanism includes a new consensus method …

A proposal is made to use blockchain technology for recording contracts. A new protocol
using the technology is described that makes it possible to confirm that contractor consent …

This paper presents a video indexing method that uses motion vectors to 'identify' video
sequences. To visualize and interactively control video sequences, we propose a new video …

The audio-based approach to video indexing described by the authors detects music and
speech independently even when they occur simultaneously. The indexed video segments, …

A new approach to interacting with stored video is proposed. The approach utilizes VideoMAP
and VideoSpaceIcon. VideoMAP is the interface that shows the essential video features in …

We propose a concept for a new rights management system based on the blockchain
technology, which is famous for supporting the reliability of the bitcoin. We clarify problems that …

Browsing is a fundamental function in multimedia systems. This paper presents
PanoramaExcerpts-a video browsing interface that shows a catalogue of two types of video icons: …

Real-time incoming video such as broadcast television programming is a rich source of up-to-date
information. This paper proposes a system that offers an intuitive and efficient access …

Yoshinobu Tonomura, Akihito Akutsu, Yukinobu Taniguchi, and Gen Suzuki NTT Human
Interface Labora tories … Yoshinobu Tonomura, Akihito Akutsu, Yukinobu Taniguchi, and …