Search Results for author: Jin Fang

Found 18 papers, 9 papers with code

VCR-Graphormer: A Mini-batch Graph Transformer via Virtual Connections

no code implementations24 Mar 2024 Dongqi Fu, Zhigang Hua, Yan Xie, Jin Fang, Si Zhang, Kaan Sancak, Hao Wu, Andrey Malevich, Jingrui He, Bo Long

Therefore, mini-batch training for graph transformers is a promising direction, but limited samples in each mini-batch can not support effective dense attention to encode informative representations.

Feature Engineering Graph Learning

LiDAR-CS Dataset: LiDAR Point Cloud Dataset with Cross-Sensors for 3D Object Detection

1 code implementation29 Jan 2023 Jin Fang, Dingfu Zhou, Jingjing Zhao, Chenming Wu, Chulin Tang, Cheng-Zhong Xu, Liangjun Zhang

This setting results in two distinct domain gaps: scenarios and sensors, making it difficult to analyze and evaluate the method accurately.

3D Object Detection Autonomous Driving +2

Multi-Sem Fusion: Multimodal Semantic Fusion for 3D Object Detection

no code implementations10 Dec 2022 Shaoqing Xu, Fang Li, Ziying Song, Jin Fang, Sifen Wang, Zhi-Xin Yang

Most multi-modal 3D object detection frameworks integrate semantic knowledge from 2D images into 3D LiDAR point clouds to enhance detection accuracy.

3D Object Detection 3D Semantic Segmentation +4

Semi-supervised 3D Object Detection with Proficient Teachers

1 code implementation26 Jul 2022 Junbo Yin, Jin Fang, Dingfu Zhou, Liangjun Zhang, Cheng-Zhong Xu, Jianbing Shen, Wenguan Wang

To reduce the dependence on large supervision, semi-supervised learning (SSL) based approaches have been proposed.

3D Object Detection Autonomous Driving +3

ProposalContrast: Unsupervised Pre-training for LiDAR-based 3D Object Detection

1 code implementation26 Jul 2022 Junbo Yin, Dingfu Zhou, Liangjun Zhang, Jin Fang, Cheng-Zhong Xu, Jianbing Shen, Wenguan Wang

Existing approaches for unsupervised point cloud pre-training are constrained to either scene-level or point/voxel-level instance discrimination.

3D Object Detection object-detection +2

Imitate then Transcend: Multi-Agent Optimal Execution with Dual-Window Denoise PPO

no code implementations21 Jun 2022 Jin Fang, Jiacheng Weng, Yi Xiang, Xinwen Zhang

A novel framework for solving the optimal execution and placement problems using reinforcement learning (RL) with imitation was proposed.

Imitation Learning Reinforcement Learning (RL)

AutoShape: Real-Time Shape-Aware Monocular 3D Object Detection

1 code implementation ICCV 2021 Zongdai Liu, Dingfu Zhou, Feixiang Lu, Jin Fang, Liangjun Zhang

For generating the ground truth of 2D/3D keypoints, an automatic model-fitting approach has been proposed by fitting the deformed 3D object model and the object mask in the 2D image.

Autonomous Driving Monocular 3D Object Detection +2

FusionPainting: Multimodal Fusion with Adaptive Attention for 3D Object Detection

1 code implementation23 Jun 2021 Shaoqing Xu, Dingfu Zhou, Jin Fang, Junbo Yin, Zhou Bin, Liangjun Zhang

Then the segmentation results from different sensors are adaptively fused based on the proposed attention-based semantic fusion module.

3D Object Detection Autonomous Driving +3

Large Scale Autonomous Driving Scenarios Clustering with Self-supervised Feature Extraction

no code implementations30 Mar 2021 Jinxin Zhao, Jin Fang, Zhixian Ye, Liangjun Zhang

The clustering of autonomous driving scenario data can substantially benefit the autonomous driving validation and simulation systems by improving the simulation tests' completeness and fidelity.

Autonomous Driving Clustering +2

MapFusion: A General Framework for 3D Object Detection with HDMaps

no code implementations10 Mar 2021 Jin Fang, Dingfu Zhou, Xibin Song, Liangjun Zhang

In this paper, we propose a simple but effective framework - MapFusion to integrate the map information into modern 3D object detector pipelines.

3D Object Detection Autonomous Driving +2

Multi-Agent Reinforcement Learning in a Realistic Limit Order Book Market Simulation

no code implementations10 Jun 2020 Michaël Karpe, Jin Fang, Zhongyao Ma, Chen Wang

Optimal order execution is widely studied by industry practitioners and academic researchers because it determines the profitability of investment decisions and high-level trading strategies, particularly those involving large volumes of orders.

Multi-agent Reinforcement Learning Q-Learning +2

AutoRemover: Automatic Object Removal for Autonomous Driving Videos

1 code implementation28 Nov 2019 Rong Zhang, Wei Li, Peng Wang, Chenye Guan, Jin Fang, Yuhang Song, Jinhui Yu, Baoquan Chen, Weiwei Xu, Ruigang Yang

To deal with shadows, we build up an autonomous driving shadow dataset and design a deep neural network to detect shadows automatically.

Autonomous Driving Object +1

IoU Loss for 2D/3D Object Detection

1 code implementation11 Aug 2019 Dingfu Zhou, Jin Fang, Xibin Song, Chenye Guan, Junbo Yin, Yuchao Dai, Ruigang Yang

In 2D/3D object detection task, Intersection-over-Union (IoU) has been widely employed as an evaluation metric to evaluate the performance of different detectors in the testing stage.

3D Object Detection Object +1

AADS: Augmented Autonomous Driving Simulation using Data-driven Algorithms

1 code implementation23 Jan 2019 Wei Li, Chengwei Pan, Rong Zhang, Jiaping Ren, Yuexin Ma, Jin Fang, Feilong Yan, Qichuan Geng, Xinyu Huang, Huajun Gong, Weiwei Xu, Guoping Wang, Dinesh Manocha, Ruigang Yang

Our augmented approach combines the flexibility in a virtual environment (e. g., vehicle movements) with the richness of the real world to allow effective simulation of anywhere on earth.

Autonomous Driving

Augmented LiDAR Simulator for Autonomous Driving

no code implementations17 Nov 2018 Jin Fang, Dingfu Zhou, Feilong Yan, Tongtong Zhao, Feihu Zhang, Yu Ma, Liang Wang, Ruigang Yang

Instead, we can simply deploy a vehicle with a LiDAR scanner to sweep the street of interests to obtain the background point cloud, based on which annotated point cloud can be automatically generated.

Autonomous Driving

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