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Depth map creation and image-based rendering for advanced 3DTV services providing interoperability and scalability

: Kauff, P.; Atzpadin, N.; Fehn, C.; Müller, M.; Schreer, O.; Smolic, A.; Tanger, R.


Image communication 22 (2007), Nr.2, S.217-234
ISSN: 0923-5965
Fraunhofer HHI ()
computer vision; image representation; stereo image processing; three-dimensional displays; three-dimensional television; video signal processing

Due to enormous progress in the areas of auto-stereoscopic 3D displays, digital video broadcast and computer vision algorithms, 3D television (3DTV) has reached a high technical maturity and many people now believe in its readiness for marketing. Experimental prototypes of entire 3DTV processing chains have been demonstrated successfully during the last few years, and the motion picture experts group (MPEG) of ISO/IEC has launched related ad hoc groups and standardization efforts envisaging the emerging market segment of 3DTV. In this context the paper discusses an advanced approach for a 3DTV service, which is based on the concept of video-plus-depth data representations. It particularly considers aspects of interoperability and multi-view adaptation for the case that different multi-baseline geometries are used for multi-view capturing and 3D display. Furthermore it presents algorithmic solutions for the creation of depth maps and depth image-based rendering related to this framework of multi-view adaptation. In contrast to other proposals, which are more focused on specialized configurations, the underlying approach provides a modular and flexible system architecture supporting a wide range of multi-view structures.