A Method for Registration of 3-D Shapes
IEEE Transactions on Pattern Analysis and Machine Intelligence - Special issue on interpretation of 3-D scenes—part II
Geometric compression through topological surgery
ACM Transactions on Graphics (TOG)
The Visual Hull Concept for Silhouette-Based Image Understanding
IEEE Transactions on Pattern Analysis and Machine Intelligence
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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%.