Thus the transmitting data
size of multi view system has 5 times larger than that
of the free viewpoint system, and the depth and image system (2V2D) has 2 times larger images and two additional
depth maps. As a result, Fig. 3 has peaks on
the viewpoint of anchor views, because DIBR keeps
the signal of original views. The methods of using
all the anchor views, such as multi view, free viewpoint
and local, repeat the shape of graph which is
decreasing PSNR exponentially from the anchor view
to the center of the anchor views and then increasing
PSNR correspondingly. The highest quality method
is of course the local system, but the free viewpoint
and multi view systems keep almost the same quality.
The differences between these two methods are
transmitting data size and interactivity for viewpoint
changing. Latency of viewpoint changing occurs in
free viewpoint case, because of viewpoint information
communications between the server and client.
Only the depth and image system has the different
shape.