Search Results for author: Sha Zhang

Found 6 papers, 3 papers with code

Agent3D-Zero: An Agent for Zero-shot 3D Understanding

no code implementations18 Mar 2024 Sha Zhang, Di Huang, Jiajun Deng, Shixiang Tang, Wanli Ouyang, Tong He, Yanyong Zhang

The ability to understand and reason the 3D real world is a crucial milestone towards artificial general intelligence.

Language Modelling Scene Understanding

HVDistill: Transferring Knowledge from Images to Point Clouds via Unsupervised Hybrid-View Distillation

1 code implementation18 Mar 2024 Sha Zhang, Jiajun Deng, Lei Bai, Houqiang Li, Wanli Ouyang, Yanyong Zhang

We present a hybrid-view-based knowledge distillation framework, termed HVDistill, to guide the feature learning of a point cloud neural network with a pre-trained image network in an unsupervised man- ner.

Knowledge Distillation NER +1

PoIFusion: Multi-Modal 3D Object Detection via Fusion at Points of Interest

no code implementations14 Mar 2024 Jiajun Deng, Sha Zhang, Feras Dayoub, Wanli Ouyang, Yanyong Zhang, Ian Reid

In this work, we present PoIFusion, a simple yet effective multi-modal 3D object detection framework to fuse the information of RGB images and LiDAR point clouds at the point of interest (abbreviated as PoI).

3D Object Detection Object +1

PonderV2: Pave the Way for 3D Foundation Model with A Universal Pre-training Paradigm

1 code implementation12 Oct 2023 Haoyi Zhu, Honghui Yang, Xiaoyang Wu, Di Huang, Sha Zhang, Xianglong He, Hengshuang Zhao, Chunhua Shen, Yu Qiao, Tong He, Wanli Ouyang

In this paper, we introduce a novel universal 3D pre-training framework designed to facilitate the acquisition of efficient 3D representation, thereby establishing a pathway to 3D foundational models.

 Ranked #1 on 3D Semantic Segmentation on ScanNet++ (using extra training data)

3D Object Detection 3D Reconstruction +5

TrajMatch: Towards Automatic Spatio-temporal Calibration for Roadside LiDARs through Trajectory Matching

no code implementations4 Feb 2023 Haojie Ren, Sha Zhang, Sugang Li, Yao Li, Xinchen Li, Jianmin Ji, Yu Zhang, Yanyong Zhang

In this paper, we propose TrajMatch -- the first system that can automatically calibrate for roadside LiDARs in both time and space.

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