marcelino-2013
From IEETA
Conference proceedings article
| Title | Depth map concealment using inter-view warping vectors from geometric transforms |
|---|---|
| Author | Sylvain T. A. Marcelino, Pedro Assunção, Sérgio Faria, Salviano F. S. P. Soares |
| Booktitle | Proc. of the IEEE Int. Conf. on Image Processing (ICIP) |
| Address | Melbourne, Australia |
| Volume | |
| Pages | 1821-1825 |
| Month | September |
| Year | 2013 |
| Group | |
| Group (before 2015) | Signal Processing Laboratory |
| Indexed by ISI | Yes |
| Scope | International |
This paper deals with reconstruction of corrupted depth maps received by multiview video-plus-depth (MVD) decoders from error prone channels. An interview-based method is proposed using warping vectors obtained through a block matching approach with geometric transforms (BMGT) between two colour views. It is shown that BMGT is able to find efficient warping vectors for reconstruction of lost regions in the depth maps associated with the colour views. The proposed concealment method uses an additional contour reconstruction technique, applied to arbitrary shapes within the lost regions, which is used for weighted interpolation. In comparison to a reference method based on simple weighted interpolation, the proposed method is able to achieve PSNR gains in synthesised views up to 5.61 dB, at data loss ratios up to 40%.
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