Graphics Reference
In-Depth Information
7.1 Areas for future research
This section describes some of the issues, which remain to be tackled in the provision of
3-D communicationservicesandoutlinestheauthor'sviewofthefutureof3-Dmultimedia
communications.
Efficient encoding approaches are proposed for colour plus depth stereoscopic video
applications in Chapter 3. The conventional block-based coding algorithms are utilized to
encode both colour and depth image sequences in the proposed methods. Motion para-
meters for colour and depth map video are estimated using 2D motion search algorithms.
However, 2D motion estimations will not account for all the motion in the depth images.
For example, the motion in the direction of z-axis will not be tackled by the 2D motion
estimation process. Therefore, dedicated 3-D motion estimation algorithms can be de-
signed to get better compression efficiency than the use of 2D motion search algorithms.
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