Distribution and Rendering of Real-Time Scene Based on the Virtual Reality System - Advances in Image and Graphics Technologies - page 198

rate and more time consuming. We choose the method with which we manually adjust
the angle of view on the real scene under the condition of the same position and the
angle with the virtual scene. The virtual scene and the real scene are draw simulta-
neously at the same time during the process of filming. The parameter of alpha can be
controlled during the process, and this makes it easy for user to correct the angle posi-
tion between the video object and the virtual object. The real scene recorded at the
fixed position is encoded by the encoding server. Then the video streaming is
uploaded to the streaming media server. The virtual reality system will register the
corresponding scene objects at a certain position. It means that there is a real scene
monitoring at this position. Local coding is adopted for the mobile device because of
the limitation of bandwidth. Thanks to the quality of the video signal, the resolution
and client code flow both can be controlled. The acquisition module is not adopted to
the adaptive network transmission encoding. The users can manually adjust the video
coding rate according to the network transmission factor.
Fig. 3. Real scene indoor displayed on the mobile device
Fig. 4. Real scene outdoor rendered in the system