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- W4308237777 abstract "Recently, high-quality, humanoid-like 3D point clouds have become extensively used in various use cases related to VR/AR applications. Such high-density point clouds, represented by a huge number of points (e.g., 1 million points) carrying various photometric attributes, require efficient compression techniques for storage and transmission. However, most research works in the literature mainly focus on geometry compression, while only a few consider the spatio-temporal compression of color attributes. In this paper, we propose a novel color attribute prediction method, which exploits a skeleton-based affine motion estimation technique. The skeleton and the motion parameters are compressed in a lossless manner, to preserve accurate color prediction. The color residuals are lossy compressed using a video-based coding solution. Our proposal has been integrated into the Video-based Point Cloud Compression (V-PCC) test model of MPEG. The experimental results demonstrate that the proposed method outperforms the reference V-PCC test model, notably in low bitrate conditions." @default.
- W4308237777 created "2022-11-09" @default.
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- W4308237777 date "2022-10-16" @default.
- W4308237777 modified "2023-10-14" @default.
- W4308237777 title "Affine Transformation-Based Color Compression For Dynamic 3D Point Clouds" @default.
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- W4308237777 doi "https://doi.org/10.1109/icip46576.2022.9897788" @default.
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