3d shape completion via sparse irregular representation

Jiahui Li, Pourya Shamsolmoali*

*Corresponding author for this work

Research output: Contribution to conferencePaperpeer-review


The task of 3D shape completion involves completing missing regions of an object from partial observation. The current methods accomplish this task by modeling latent completion distributions based on an autoregressive model. However, this approach often struggles with geometric details, as it represents 3D shapes with variable latent sequences, leading to gaps (local missing) in the completed shape. In this paper, we introduce a multiple 3D shape completion method using a transformer-based autoregressive model and a fixed-length sparse irregular latent sequence. Experiments demonstrate that our method outperforms state-of-the-art methods in terms of both quality and fidelity.

Original languageEnglish
Publication statusEarly online date - 19 Mar 2024
Event12th International Conference on Learning Representations 2024 - Vienna, Austria
Duration: 07 May 202411 May 2024


Conference12th International Conference on Learning Representations 2024


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