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- 검색키워드
- 저자 : Kayumiy, S. J. (검색결과 1 건)
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A collaborative client participant fusion system for realistic remote conferences
Song, W.,Wen, M.,Xi, Y.,Chu, P. M.,Vu, H.,Kayumiy, S. J.,Cho, K. Springer Science + Business Media 2016 The Journal of supercomputing Vol.72 No.7
<P>Remote conferencing systems provide a shared environment where people in different locations can communicate and collaborate in real time. Currently, remote video conferencing systems present separate video images of the individual participants. To achieve a more realistic conference experience, we enhance video conferencing by integrating the remote images into a shared virtual environment. This paper proposes a collaborative client participant fusion system using a real-time foreground segmentation method. In each client system, the foreground pixels are extracted from the participant images using a feedback background modeling method. Because the segmentation results often contain noise and holes caused by adverse environmental lighting conditions and substandard camera resolution, a Markov Random Field model is applied in the morphological operations of dilation and erosion. This foreground segmentation refining process is implemented using graphics processing unit programming, to facilitate real-time image processing. Subsequently, segmented foreground pixels are transmitted to a server, which fuses the remote images of the participants into a shared virtual environment. The fused conference scene is represented by a realistic holographic projection.</P>
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