The technology of video stream separation by means of multiple Kinect devices in distance education

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Abstract

One of the important issues in the field of distance education is to transmit over network a qualitative video stream in realtime mode. In this paper we propose the technology based on using several Microsoft Kinect devices, in which initial video stream is separated into three new streams. The first of them contains only the board, the second — the lecturer, the third — a mask for selecting the lecturer. Separate compression, transmission and merging of these streams into one on user’s computer allow us to achieve lower bitrate compared to direct transmission of the source video. Proposed compression methods work in real-time mode and provide high compression ratio for video transmission over data networks with low bandwidth. Using multiple Kinect devices in our technology allows to significantly increase an angle of view compared to single device.

About the authors

A. V. Maltsev

Scientific Research Institute of System Analysis (Russian Academy of Sciences)

Author for correspondence.
Email: avmaltcev@mail.ru

Ph. D. (Mathematics), Senior Researcher

Russian Federation, Moscow

M. V. Mikhaylyuk

Scientific Research Institute of System Analysis (Russian Academy of Sciences)

Email: mix@niisi.ras.ru

Dr. Sc. (Mathematics), Head of Department

Russian Federation, Moscow

P. Yu. Timokhin

Scientific Research Institute of System Analysis (Russian Academy of Sciences)

Email: webpismo@yahoo.de

Scientific Researcher

Russian Federation, Moscow

M. A. Torgashev

Scientific Research Institute of System Analysis (Russian Academy of Sciences)

Email: mtorg@mail.ru

Ph. D. (Mathematics), Head of Sector

Russian Federation, Moscow

References

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