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- W4386598340 abstract "A low-complexity point cloud compression method called the Green Point Cloud Geometry Codec (GPCGC), is proposed to encode the 3D spatial coordinates of static point clouds efficiently. GPCGC consists of two modules. In the first module, point coordinates of input point clouds are hierarchically organized into an octree structure. Points at each leaf node are projected along one of three axes to yield image maps. In the second module, the occupancy map is clustered into 9 modes while the depth map is coded by a low-complexity high-efficiency image codec, called the green image codec (GIC). GIC is a multi-resolution codec based on vector quantization (VQ). Its complexity is significantly lower than HEVC-Intra. Furthermore, the rate-distortion optimization (RDO) technique is used to select the optimal coding parameters. GPCGC is a progressive codec, and it offers a coding performance competitive with MPEG's V-PCC and G-PCC standards at significantly lower complexity." @default.
- W4386598340 created "2023-09-12" @default.
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- W4386598340 date "2023-10-08" @default.
- W4386598340 modified "2023-09-30" @default.
- W4386598340 title "GPCGC: A Green Point Cloud Geometry Coding Method" @default.
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- W4386598340 doi "https://doi.org/10.1109/icip49359.2023.10223048" @default.
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