Search Results for author: Dawei Zhao

Found 8 papers, 6 papers with code

Occupancy-MAE: Self-supervised Pre-training Large-scale LiDAR Point Clouds with Masked Occupancy Autoencoders

2 code implementations20 Jun 2022 Chen Min, Xinli Xu, Dawei Zhao, Liang Xiao, Yiming Nie, Bin Dai

This work proposes a solution to reduce the dependence on labelled 3D training data by leveraging pre-training on large-scale unlabeled outdoor LiDAR point clouds using masked autoencoders (MAE).

3D Object Detection 3D Semantic Segmentation +6

UniScene: Multi-Camera Unified Pre-training via 3D Scene Reconstruction

2 code implementations30 May 2023 Chen Min, Liang Xiao, Dawei Zhao, Yiming Nie, Bin Dai

When compared to monocular pre-training methods on the nuScenes dataset, UniScene shows a significant improvement of about 2. 0% in mAP and 2. 0% in NDS for multi-camera 3D object detection, as well as a 3% increase in mIoU for surrounding semantic scene completion.

3D Object Detection 3D Scene Reconstruction +2

Attentional Graph Neural Network for Parking-slot Detection

1 code implementation6 Apr 2021 Chen Min, Jiaolong Xu, Liang Xiao, Dawei Zhao, Yiming Nie, Bin Dai

Deep learning has recently demonstrated its promising performance for vision-based parking-slot detection.

ORFD: A Dataset and Benchmark for Off-Road Freespace Detection

2 code implementations20 Jun 2022 Chen Min, Weizhong Jiang, Dawei Zhao, Jiaolong Xu, Liang Xiao, Yiming Nie, Bin Dai

Freespace detection is an essential component of autonomous driving technology and plays an important role in trajectory planning.

Autonomous Driving Trajectory Planning

UniWorld: Autonomous Driving Pre-training via World Models

1 code implementation14 Aug 2023 Chen Min, Dawei Zhao, Liang Xiao, Yiming Nie, Bin Dai

In this paper, we draw inspiration from Alberto Elfes' pioneering work in 1989, where he introduced the concept of the occupancy grid as World Models for robots.

3D Object Detection Autonomous Driving +2

Trajectory Prediction for Autonomous Driving with Topometric Map

1 code implementation9 May 2021 Jiaolong Xu, Liang Xiao, Dawei Zhao, Yiming Nie, Bin Dai

The experimental results show that the proposed method outperforms state-of-the-art multimodal methods and is robust to the perturbations of the topometric map.

Autonomous Driving Trajectory Prediction

Adversarial and Random Transformations for Robust Domain Adaptation and Generalization

no code implementations13 Nov 2022 Liang Xiao, Jiaolong Xu, Dawei Zhao, Erke Shang, Qi Zhu, Bin Dai

In this work, we show that by simply applying consistency training with random data augmentation, state-of-the-art results on domain adaptation (DA) and generalization (DG) can be obtained.

Data Augmentation Domain Adaptation

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