Search Results for author: Guangyan Chen

Found 4 papers, 4 papers with code

OpenGraph: Open-Vocabulary Hierarchical 3D Graph Representation in Large-Scale Outdoor Environments

1 code implementation14 Mar 2024 Yinan Deng, Jiahui Wang, Jingyu Zhao, Xinyu Tian, Guangyan Chen, Yi Yang, Yufeng Yue

In this work, we propose OpenGraph, the first open-vocabulary hierarchical graph representation designed for large-scale outdoor environments.

Zero-Shot Learning

PointGPT: Auto-regressively Generative Pre-training from Point Clouds

1 code implementation NeurIPS 2023 Guangyan Chen, Meiling Wang, Yi Yang, Kai Yu, Li Yuan, Yufeng Yue

Large language models (LLMs) based on the generative pre-training transformer (GPT) have demonstrated remarkable effectiveness across a diverse range of downstream tasks.

Ranked #3 on 3D Point Cloud Classification on ScanObjectNN (using extra training data)

3D Point Cloud Classification Few-Shot Learning

Rethinking Point Cloud Registration as Masking and Reconstruction

1 code implementation ICCV 2023 Guangyan Chen, Meiling Wang, Li Yuan, Yi Yang, Yufeng Yue

In this paper, a critical observation is made that the invisible parts of each point cloud can be directly utilized as inherent masks, and the aligned point cloud pair can be regarded as the reconstruction target.

Point Cloud Registration

Full Transformer Framework for Robust Point Cloud Registration with Deep Information Interaction

1 code implementation17 Dec 2021 Guangyan Chen, Meiling Wang, Yufeng Yue, Qingxiang Zhang, Li Yuan

Recent Transformer-based methods have achieved advanced performance in point cloud registration by utilizing advantages of the Transformer in order-invariance and modeling dependency to aggregate information.

Geometric Matching Point Cloud Registration

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