Abstract
Recently, 3D video has gained increasing attention in multimedia field. The representation of 3D video is often based on dynamic 3D mesh model, which is reconstructed from multi-view video, plus surrounding texture information for rendering, so that arbitrary novel views can be synthesized accordingly. However, the dynamic 3D mesh model herein is not time-consistent, resulting in a difficulty in applying traditional mesh compression tools efficiently (e.g., MPEG-4 AFX 3DMC). In this paper, we modify the 3DMC algorithm for the coding and transmission of 3D video, taking its advantage of high coding efficiency for edge topologies and enhancing it with 3D motion estimation of vertices between two time-successive mesh models. Experiment results show that our method can reach about 30 times of compression ratio. Compared to MPEG-4 AFX 3DMC, under comparable reconstruction quality, our algorithm has a bit rate saving of about 20%~45%.
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Chiang, JC., Chen, CH., Lie, WN. (2011). Coding of Dynamic 3D Mesh Model for 3D Video Transmission. In: Ho, YS. (eds) Advances in Image and Video Technology. PSIVT 2011. Lecture Notes in Computer Science, vol 7087. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-25367-6_13
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DOI: https://doi.org/10.1007/978-3-642-25367-6_13
Publisher Name: Springer, Berlin, Heidelberg
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