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Título: Fractional super-resolution of voxelized point clouds
Autor(es): Borges, Tomás Malheiros
Garcia, Diogo Caetano
Queiroz, Ricardo Lopes de
ORCID: https://orcid.org/0000-0003-0182-1866
https://orcid.org/0000-0002-3816-0873
https://orcid.org/0000-0002-3911-1838
Assunto: Nuvens de pontos
Super-resolução
Data de publicação: 2022
Editora: IEEE
Referência: BORGES, Tomás M; GARCIA, Diogo Caetano; QUEIROZ, Ricardo Lopes de. Fractional Super-Resolution of Voxelized Point Clouds. In: IEEE Transactions on Image Processing, v. 31, p. 1380-1390, 2022. DOI: https://doi.org/10.1109/TIP.2022.3141611. Disponível: https://ieeexplore.ieee.org/document/9682535. Acesso em: 9 maio 2022.
Abstract: We present a method to super-resolve voxelized point clouds downsampled by a fractional factor, using lookup-tables (LUT) constructed from self-similarities from their own downsampled neighborhoods. The proposed method was developed to densify and to increase the precision of voxelized point clouds, and can be used, for example, as improve compression and rendering. We super-resolve the geometry, but we also interpolate texture by averaging colors from adjacent neighbors, for completeness. Our technique, as we understand, is the first specifically developed for intra-frame super-resolution of voxelized point clouds, for arbitrary resampling scale factors. We present extensive test results over different point clouds, showing the effectiveness of the proposed approach against baseline methods.
Licença: © Copyright 2022 IEEE - All rights reserved.
DOI: https://doi.org/10.1109/TIP.2022.3141611
Versão da editora: https://ieeexplore.ieee.org/document/9682535
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