Optical Network Technologies for Future Digital Cinema

Digital Cinema Technologies from the Archive’s Perspective

Cinema-Class Digital Content Distribution via Optical Networks

To transmit and display high quality movies via optical networks, a new Super High Definition (SHD) digital cinema distribution system with the resolution of 8-million pixel is developed. Its image quality is four times of HDTV in resolution, and enables us to replace conventional 35mm films. This system is based on JPEG 2000 coding technology and transmits high quality digital cinema over high...

Technologies for Next Generation Optical Access Network

Introduction of the GE-PON system has accelerated the use of FTTH in Japan, changing the access network from simply an Internet connection to a social infrastructure that provides services directly related to daily life, such as IP telephone service. Mitsubishi Electric has the largest share of the GE-PON market in Japan and is now working on the next generation GE-PON. The role of the NGN is b...

Exhibition QIM-based watermarking for digital cinema

The copyright protection of Digital Cinema requires the insertion of forensic watermarks during exhibition playback. This paper presents a low-complexity exhibition watermarking method based on quantization index modulation (QIM) and embedded in the DCI compliant decoder. Watermark embedding is proposed to fit in the JPEG2000 decoding process, prior to the inverse wavelet transform and such as ...

A WDM-Based Future Optical Access Network and Support Technologies for Adapting the User Demands' Diversity

We propose the network on demand concept to yield the optical access network system that well handles the diversity in user demands and support technologies such as module and devices configuration. In this proposal, the network accommodation equipment, such as OLT needed for each service, is installed ‘virtually’ using WDM, and the physical rate can adapt to the user-demanded service rate by u...