Abstract
In this paper, we present a modified inter-view prediction Multiview Video Coding (MVC) scheme from the perspective of viewer's interactivity. When a viewer requests some view(s), our scheme leads to lower transmission bit-rate. We develop an interactive multiview video streaming system exploiting that modified MVC scheme. Conventional interactive multiview video systems require high bandwidth due to redundant data being transferred. With real data test sequences, clear improvements are shown using the proposed interactive multiview video system compared to competing ones in terms of the average transmission bit-rate and storage size of the decoded (i.e., transferred) data with comparable rate-distortion.
Highlights
Multiview video consists of video sequences of the same scene captured time-synchronously by multiple closely spaced cameras from different observation viewpoints [1]
The encoded multiview video data is submitted to a central server, called application server, in order to be stored in a video database that is available at the Multiview Video Coding (MVC) database server
We extend the work to embed it as a first step of a proposed interactive multiview video streaming system, with a 3-tier architecture inspired from [13]
Summary
Multiview video consists of video sequences of the same scene captured time-synchronously by multiple closely spaced cameras from different observation viewpoints [1]. In [7], the IMVS system encodes the multiview video data with a simulcast mode In such a mode, each view is encoded and transmitted independently, and each client receives as many needed views according to the channel bandwidth. Each view is encoded and transmitted independently, and each client receives as many needed views according to the channel bandwidth Such an IMVS system increases the interactivity between the user and the underlying requested view(s), redundant data is transferred at the expense of the quality of the transferred video for limited channel bandwidth. The primary challenge in an IMVS system is to design a structure to encode the multiview video data with a good compression efficiency, so that the transmission bit-rate is appropriately traded off with the storage size
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