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Fast H.264/AVC stream joiner for interactive free view-area multivision video

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2 Author(s)
Uchihara, N. ; Grad. Sch. of Inf. Syst., Univ. of Electro-Commun., Tokyo, Japan ; Kasai, H.

With the spread of high-definition video devices, and with the advance of digital broadcasting systems and video portal services in the Internet domains, numerous high-definition video presentations become available in everyday life. Under these circumstances, the desire of people to enjoy video contents in new ways had grown. This paper proposes a new multivision video provisioning system that enables numerous users to access any view area with any desired resolution interactively. The basic idea is that the partial area (tile)-based pre-coded video streams are stored in advance. These multiple streams are joined dynamically and delivered based on the user's view-area position. In this paper, the details of H.264/AVC tile-based video coding and a fast tile stream joiner scheme are presented. Simulation experiments and our practical implementation demonstrate the feasibility and effectiveness of our proposal.

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Consumer Electronics, IEEE Transactions on  (Volume:57 ,  Issue: 3 )