Search Results for author: Yiming Nie

Found 7 papers, 5 papers with code

DriveWorld: 4D Pre-trained Scene Understanding via World Models for Autonomous Driving

no code implementations CVPR 2024 Chen Min, Dawei Zhao, Liang Xiao, Jian Zhao, Xinli Xu, Zheng Zhu, Lei Jin, Jianshu Li, Yulan Guo, Junliang Xing, Liping Jing, Yiming Nie, Bin Dai

In this paper, we address this challenge by introducing a world model-based autonomous driving 4D representation learning framework, dubbed \emph{DriveWorld}, which is capable of pre-training from multi-camera driving videos in a spatio-temporal fashion.

3D Object Detection Motion Forecasting +4

UniWorld: Autonomous Driving Pre-training via World Models

no code implementations14 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

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

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

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 Semantic Segmentation +1

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

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

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.

Graph Neural Network

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