Real-time 3D video conference on generic hardware

26 February 2007 Real-time 3D video conference on generic hardware

X. Desurmont, J. L. Bruyelle, D. Ruiz, J. Meessen, B. Macq

Proceedings Volume 6496, Real-Time Image Processing 2007; 64960F (2007) https://doi.org/10.1117/12.704360
Event: Electronic Imaging 2007, 2007, San Jose, CA, United States

Abstract

Nowadays, video-conference tends to be more and more advantageous because of the economical and ecological cost of transport. Several platforms exist. The goal of the TIFANIS immersive platform is to let users interact as if they were physically together. Unlike previous teleimmersion systems, TIFANIS uses generic hardware to achieve an economically realistic implementation. The basic functions of the system are to capture the scene, transmit it through digital networks to other partners, and then render it according to each partner's viewing characteristics. The image processing part should run in real-time. We propose to analyze the whole system. it can be split into different services like central processing unit (CPU), graphical rendering, direct memory access (DMA), and communications trough the network. Most of the processing is done by CPU resource. It is composed of the 3D reconstruction and the detection and tracking of faces from the video stream. However, the processing needs to be parallelized in several threads that have as little dependencies as possible. In this paper, we present these issues, and the way we deal with them.

Citation Download Citation

X. Desurmont, J. L. Bruyelle, D. Ruiz, J. Meessen, and B. Macq "Real-time 3D video conference on generic hardware", Proc. SPIE 6496, Real-Time Image Processing 2007, 64960F (26 February 2007); https://doi.org/10.1117/12.704360

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