Search Results for author: Rui Fan

Found 81 papers, 23 papers with code

RoadFormer+: Delivering RGB-X Scene Parsing through Scale-Aware Information Decoupling and Advanced Heterogeneous Feature Fusion

no code implementations31 Jul 2024 Jianxin Huang, Jiahang Li, Ning Jia, Yuxiang Sun, Chengju Liu, Qijun Chen, Rui Fan

These decoupled features are then fused through a dual-branch multi-scale heterogeneous feature fusion block, which employs parallel Transformer attentions and convolutional neural network modules to merge multi-scale features across different scales and receptive fields.

Scene Parsing Semantic Segmentation +1

SCIPaD: Incorporating Spatial Clues into Unsupervised Pose-Depth Joint Learning

1 code implementation7 Jul 2024 Yi Feng, Zizhan Guo, Qijun Chen, Rui Fan

Specifically, a confidence-aware feature flow estimator is proposed to acquire 2D feature positional translations and their associated confidence levels.

Autonomous Driving Camera Pose Estimation +2

OverlapMamba: Novel Shift State Space Model for LiDAR-based Place Recognition

1 code implementation13 May 2024 Qiuchi Xiang, Jintao Cheng, Jiehao Luo, Jin Wu, Rui Fan, Xieyuanli Chen, Xiaoyu Tang

In a novel way, we employ a stochastic reconstruction approach to build shift state space models, compressing the visual representation.

Decision Making Loop Closure Detection

Online,Target-Free LiDAR-Camera Extrinsic Calibration via Cross-Modal Mask Matching

no code implementations28 Apr 2024 Zhiwei Huang, Yikang Zhang, Qijun Chen, Rui Fan

The cornerstone of our framework and toolbox is the cross-modal mask matching (C3M) algorithm, developed based on a state-of-the-art (SoTA) LVM and capable of generating sufficient and reliable matches.

ODFormer: Semantic Fundus Image Segmentation Using Transformer for Optic Nerve Head Detection

no code implementations15 Apr 2024 Jiayi Wang, Yi-An Mao, Xiaoyu Ma, Sicen Guo, Yuting Shao, Xiao Lv, Wenting Han, Mark Christopher, Linda M. Zangwill, Yanlong Bi, Rui Fan

However, the significant discrepancy between fundus image datasets, each generated using a single type of fundus camera, poses challenges to the generalizability of ONH detection approaches developed based on semantic segmentation networks.

Head Detection Image Segmentation +1

Playing to Vision Foundation Model's Strengths in Stereo Matching

no code implementations9 Apr 2024 Chuang-Wei Liu, Qijun Chen, Rui Fan

We believe this new paradigm will pave the way for the next generation of stereo matching networks.

Stereo Matching

HAPNet: Toward Superior RGB-Thermal Scene Parsing via Hybrid, Asymmetric, and Progressive Heterogeneous Feature Fusion

1 code implementation4 Apr 2024 Jiahang Li, Peng Yun, Qijun Chen, Rui Fan

In this study, we take one step toward this new research area by exploring a feasible strategy to fully exploit VFM features for RGB-thermal scene parsing.

Scene Parsing Semantic Segmentation +1

LIX: Implicitly Infusing Spatial Geometric Prior Knowledge into Visual Semantic Segmentation for Autonomous Driving

no code implementations13 Mar 2024 Sicen Guo, Zhiyuan Wu, Qijun Chen, Ioannis Pitas, Rui Fan

We introduce the Learning to Infuse "X" (LIX) framework, with novel contributions in both logit distillation and feature distillation aspects.

Autonomous Driving Knowledge Distillation +1

Generalized Correspondence Matching via Flexible Hierarchical Refinement and Patch Descriptor Distillation

no code implementations8 Mar 2024 Yu Han, Ziwei Long, Yanting Zhang, Jin Wu, Zhijun Fang, Rui Fan

Taking into account the practical applicability of our method in real-world robotics applications, we also propose a novel patch descriptor distillation strategy to further reduce the computational complexity of correspondence matching.

Image Classification Semantic Segmentation +1

SNE-RoadSegV2: Advancing Heterogeneous Feature Fusion and Fallibility Awareness for Freespace Detection

no code implementations29 Feb 2024 Yi Feng, Yu Ma, Qijun Chen, Ioannis Pitas, Rui Fan

Feature-fusion networks with duplex encoders have proven to be an effective technique to solve the freespace detection problem.

Computational Efficiency Decoder

YOLO-Ant: A Lightweight Detector via Depthwise Separable Convolutional and Large Kernel Design for Antenna Interference Source Detection

1 code implementation20 Feb 2024 Xiaoyu Tang, Xingming Chen, Jintao Cheng, Jin Wu, Rui Fan, Chengxi Zhang, Zebo Zhou

In this article, an antenna dataset is created to address important antenna interference source detection issues and serves as the basis for subsequent research.

object-detection Small Object Detection

MF-MOS: A Motion-Focused Model for Moving Object Segmentation

1 code implementation30 Jan 2024 Jintao Cheng, Kang Zeng, Zhuoxu Huang, Xiaoyu Tang, Jin Wu, Chengxi Zhang, Xieyuanli Chen, Rui Fan

Moving object segmentation (MOS) provides a reliable solution for detecting traffic participants and thus is of great interest in the autonomous driving field.

Autonomous Driving Object +1

UP-CrackNet: Unsupervised Pixel-Wise Road Crack Detection via Adversarial Image Restoration

no code implementations28 Jan 2024 Nachuan Ma, Rui Fan, Lihua Xie

Subsequently, a generative adversarial network is trained to restore the corrupted regions by leveraging the semantic context learned from surrounding uncorrupted regions.

Crack Segmentation Generative Adversarial Network +2

S$^3$M-Net: Joint Learning of Semantic Segmentation and Stereo Matching for Autonomous Driving

no code implementations21 Jan 2024 Zhiyuan Wu, Yi Feng, Chuang-Wei Liu, Fisher Yu, Qijun Chen, Rui Fan

Hence, in this article, we introduce S$^3$M-Net, a novel joint learning framework developed to perform semantic segmentation and stereo matching simultaneously.

Autonomous Driving Scene Understanding +2

Towards Effective Multi-Moving-Camera Tracking: A New Dataset and Lightweight Link Model

1 code implementation18 Dec 2023 Yanting Zhang, Shuanghong Wang, Qingxiang Wang, Cairong Yan, Rui Fan

Moreover, to alleviate the impact of the image style variations caused by different cameras, a color transfer module is effectively incorporated to extract cross-camera consistent appearance features for pedestrian association across moving cameras for ICT, resulting in a much improved MTMMC tracking system, which can constitute a step further towards coordinated mining of multiple moving cameras.

Autonomous Vehicles

Model Stealing Attack against Graph Classification with Authenticity, Uncertainty and Diversity

no code implementations18 Dec 2023 Zhihao Zhu, Chenwang Wu, Rui Fan, Yi Yang, Zhen Wang, Defu Lian, Enhong Chen

Recent research demonstrates that GNNs are vulnerable to the model stealing attack, a nefarious endeavor geared towards duplicating the target model via query permissions.

Active Learning Diversity +2

Model Stealing Attack against Recommender System

no code implementations18 Dec 2023 Zhihao Zhu, Rui Fan, Chenwang Wu, Yi Yang, Defu Lian, Enhong Chen

Some adversarial attacks have achieved model stealing attacks against recommender systems, to some extent, by collecting abundant training data of the target model (target data) or making a mass of queries.

Recommendation Systems

Three-Filters-to-Normal+: Revisiting Discontinuity Discrimination in Depth-to-Normal Translation

no code implementations13 Dec 2023 Jingwei Yang, Bohuan Xue, Yi Feng, Deming Wang, Rui Fan, Qijun Chen

This article introduces three-filters-to-normal+ (3F2N+), an extension of our previous work three-filters-to-normal (3F2N), with a specific focus on incorporating discontinuity discrimination capability into surface normal estimators (SNEs).

6D Pose Estimation using RGB Point Cloud Completion

Dive Deeper into Rectifying Homography for Stereo Camera Online Self-Calibration

no code implementations19 Sep 2023 Hongbo Zhao, Yikang Zhang, Qijun Chen, Rui Fan

Instead, we introduce four new evaluation metrics to quantify the robustness and accuracy of extrinsic parameter estimation, applicable to both single-pair and multi-pair cases.

Stereo Matching Visual Odometry

RoadFormer: Duplex Transformer for RGB-Normal Semantic Road Scene Parsing

no code implementations19 Sep 2023 Jiahang Li, Yikang Zhang, Peng Yun, Guangliang Zhou, Qijun Chen, Rui Fan

Additionally, we release SYN-UDTIRI, the first large-scale road scene parsing dataset that contains over 10, 407 RGB images, dense depth images, and the corresponding pixel-level annotations for both freespace and road defects of different shapes and sizes.

Decoder Scene Parsing +1

E3CM: Epipolar-Constrained Cascade Correspondence Matching

no code implementations31 Aug 2023 Chenbo Zhou, Shuai Su, Qijun Chen, Rui Fan

Accurate and robust correspondence matching is of utmost importance for various 3D computer vision tasks.

Freespace Optical Flow Modeling for Automated Driving

no code implementations29 Jul 2023 Yi Feng, Ruge Zhang, Jiayuan Du, Qijun Chen, Rui Fan

Additionally, our proposed freespace optical flow model boasts a diverse array of applications within the realm of automated driving, providing a geometric constraint in freespace detection, vehicle localization, and more.

Autonomous Driving Lane Detection +1

Self-attention Dual Embedding for Graphs with Heterophily

no code implementations28 May 2023 Yurui Lai, Taiyan Zhang, Rui Fan

In this work, we design a novel GNN which is effective for both heterophilic and homophilic graphs.

Informativeness Node Classification

D2NT: A High-Performing Depth-to-Normal Translator

1 code implementation24 Apr 2023 Yi Feng, Bohuan Xue, Ming Liu, Qijun Chen, Rui Fan

Surface normal holds significant importance in visual environmental perception, serving as a source of rich geometric information.

Surface Normal Estimation Vocal Bursts Intensity Prediction

Temporal Segment Transformer for Action Segmentation

no code implementations25 Feb 2023 Zhichao Liu, Leshan Wang, Desen Zhou, Jian Wang, Songyang Zhang, Yang Bai, Errui Ding, Rui Fan

To deal with these issues, we propose an attention based approach which we call \textit{temporal segment transformer}, for joint segment relation modeling and denoising.

Action Segmentation Denoising +1

Risk-Aware Bid Optimization for Online Display Advertisement

1 code implementation28 Oct 2022 Rui Fan, Erick Delage

This research focuses on the bid optimization problem in the real-time bidding setting for online display advertisements, where an advertiser, or the advertiser's agent, has access to the features of the website visitor and the type of ad slots, to decide the optimal bid prices given a predetermined total advertisement budget.

SIM2E: Benchmarking the Group Equivariant Capability of Correspondence Matching Algorithms

no code implementations21 Aug 2022 Shuai Su, Zhongkai Zhao, Yixin Fei, Shuda Li, Qijun Chen, Rui Fan

The experimental results demonstrate the importance of group equivariant algorithms for correspondence matching on various sim(2) transformation conditions.

Benchmarking

SDA-SNE: Spatial Discontinuity-Aware Surface Normal Estimation via Multi-Directional Dynamic Programming

no code implementations18 Aug 2022 Nan Ming, Yi Feng, Rui Fan

The state-of-the-art (SoTA) surface normal estimators (SNEs) generally translate depth images into surface normal maps in an end-to-end fashion.

Surface Normal Estimation

Computer-Aided Road Inspection: Systems and Algorithms

1 code implementation4 Mar 2022 Rui Fan, Sicen Guo, Li Wang, Mohammud Junaid Bocus

Road damage is an inconvenience and a safety hazard, severely affecting vehicle condition, driving comfort, and traffic safety.

Road Damage Detection

DeepDrug: A General Graph-Based Deep Learning Framework for Drug Relation Prediction

2 code implementations Bioarxiv 2022 Xusheng Cao, Rui Fan, Wanwen Zeng

Computational approaches for accurate predictions of drug-related interactions such as drug-drug interactions (DDIs) and drug-target interactions (DTIs) are highly demanding for biochemical researchers due to their efficiency and cost-effectiveness.

Relation

Bone Marrow Cell Recognition: Training Deep Object Detection with A New Loss Function

no code implementations25 Oct 2021 Dehao Huang, Jintao Cheng, Rui Fan, Zhihao Su, Qiongxiong Ma, Jie Li

Therefore, it is crucial to study a robust bone marrow cell detection algorithm for a quantitative automatic analysis system.

Cell Detection object-detection +1

MFuseNet: Robust Depth Estimation with Learned Multiscopic Fusion

no code implementations5 Aug 2021 Weihao Yuan, Rui Fan, Michael Yu Wang, Qifeng Chen

We design a multiscopic vision system that utilizes a low-cost monocular RGB camera to acquire accurate depth estimation.

Depth Estimation Stereo Matching

SNE-RoadSeg+: Rethinking Depth-Normal Translation and Deep Supervision for Freespace Detection

no code implementations30 Jul 2021 Hengli Wang, Rui Fan, Peide Cai, Ming Liu

In particular, SNE-RoadSeg, our previously proposed method based on a surface normal estimator (SNE) and a data-fusion DCNN (RoadSeg), has achieved impressive performance in freespace detection.

Autonomous Driving Surface Normal Estimation +1

SCV-Stereo: Learning Stereo Matching from a Sparse Cost Volume

no code implementations17 Jul 2021 Hengli Wang, Rui Fan, Ming Liu

Convolutional neural network (CNN)-based stereo matching approaches generally require a dense cost volume (DCV) for disparity estimation.

Disparity Estimation Stereo Matching

SAS: A Simple, Accurate and Scalable Node Classification Algorithm

no code implementations19 Apr 2021 Ziyuan Wang, Feiming Yang, Rui Fan

Recent works have sought to address this problem using a two-stage approach, which first aggregates data along graph edges, then trains a classifier without using additional graph information.

Classification General Classification +1

End-to-End Interactive Prediction and Planning with Optical Flow Distillation for Autonomous Driving

no code implementations18 Apr 2021 Hengli Wang, Peide Cai, Rui Fan, Yuxiang Sun, Ming Liu

With the recent advancement of deep learning technology, data-driven approaches for autonomous car prediction and planning have achieved extraordinary performance.

Autonomous Driving Optical Flow Estimation +1

PVStereo: Pyramid Voting Module for End-to-End Self-Supervised Stereo Matching

no code implementations12 Mar 2021 Hengli Wang, Rui Fan, Peide Cai, Ming Liu

Supervised learning with deep convolutional neural networks (DCNNs) has seen huge adoption in stereo matching.

Stereo Matching

Dynamic Fusion Module Evolves Drivable Area and Road Anomaly Detection: A Benchmark and Algorithms

1 code implementation3 Mar 2021 Hengli Wang, Rui Fan, Yuxiang Sun, Ming Liu

Therefore, in this paper, we first build a drivable area and road anomaly detection benchmark for ground mobile robots, evaluating the existing state-of-the-art single-modal and data-fusion semantic segmentation CNNs using six modalities of visual features.

Anomaly Detection Self-Driving Cars +1

Learning Collision-Free Space Detection from Stereo Images: Homography Matrix Brings Better Data Augmentation

no code implementations14 Dec 2020 Rui Fan, Hengli Wang, Peide Cai, Jin Wu, Mohammud Junaid Bocus, Lei Qiao, Ming Liu

Therefore, this paper mainly explores an effective training data augmentation approach that can be employed to improve the overall DCNN performance, when additional images captured from different views are available.

Data Augmentation Semantic Segmentation

One-Vote Veto: Semi-Supervised Learning for Low-Shot Glaucoma Diagnosis

no code implementations9 Dec 2020 Rui Fan, Christopher Bowd, Nicole Brye, Mark Christopher, Robert N. Weinreb, David Kriegman, Linda M. Zangwill

Our proposed multi-task Siamese network (MTSN) can employ any backbone CNN, and we demonstrate with four backbone CNNs that its accuracy with limited training data approaches the accuracy of backbone CNNs trained with a dataset that is 50 times larger.

Image Classification

Computer Stereo Vision for Autonomous Driving

no code implementations6 Dec 2020 Rui Fan, Li Wang, Mohammud Junaid Bocus, Ioannis Pitas

As an important component of autonomous systems, autonomous car perception has had a big leap with recent advances in parallel computing architectures.

Autonomous Driving Image Segmentation +3

Conditional Link Prediction of Category-Implicit Keypoint Detection

no code implementations29 Nov 2020 Ellen Yi-Ge, Rui Fan, Zechun Liu, Zhiqiang Shen

Keypoints of objects reflect their concise abstractions, while the corresponding connection links (CL) build the skeleton by detecting the intrinsic relations between keypoints.

Keypoint Detection Link Prediction

Loop-box: Multi-Agent Direct SLAM Triggered by Single Loop Closure for Large-Scale Mapping

no code implementations29 Sep 2020 M Usman Maqbool Bhutta, Manohar Kuse, Rui Fan, Yanan Liu, Ming Liu

We develop a generic method for the keychallenging scenarios in multi-agent 3D mapping based on different camera systems.

3D Reconstruction

Agile Reactive Navigation for A Non-Holonomic Mobile Robot Using A Pixel Processor Array

no code implementations27 Sep 2020 Yanan Liu, Laurie Bose, Colin Greatwood, Jianing Chen, Rui Fan, Thomas Richardson, Stephen J. Carey, Piotr Dudek, Walterio Mayol-Cuevas

Experimental results demonstrate that the algorithm's ability to enable a ground vehicle to navigate at an average speed of 2. 20 m/s for passing through multiple gates and 3. 88 m/s for a 'slalom' task in an environment featuring significant visual clutter.

Navigate

ATG-PVD: Ticketing Parking Violations on A Drone

no code implementations21 Aug 2020 Hengli Wang, Yuxuan Liu, Huaiyang Huang, Yuheng Pan, Wenbin Yu, Jialin Jiang, Dianbin Lyu, Mohammud J. Bocus, Ming Liu, Ioannis Pitas, Rui Fan

In this paper, we introduce a novel suspect-and-investigate framework, which can be easily embedded in a drone for automated parking violation detection (PVD).

Optical Flow Estimation

We Learn Better Road Pothole Detection: from Attention Aggregation to Adversarial Domain Adaptation

1 code implementation16 Aug 2020 Rui Fan, Hengli Wang, Mohammud J. Bocus, Ming Liu

The experimental results demonstrate that, firstly, the transformed disparity (or inverse depth) images become more informative; secondly, AA-UNet and AA-RTFNet, our best performing implementations, respectively outperform all other state-of-the-art single-modal and data-fusion networks for road pothole detection; and finally, the training set augmentation technique based on adversarial domain adaptation not only improves the accuracy of the state-of-the-art semantic segmentation networks, but also accelerates their convergence.

Domain Adaptation Segmentation +2

Three-Filters-to-Normal: An Accurate and Ultrafast Surface Normal Estimator

2 code implementations17 May 2020 Rui Fan, Hengli Wang, Bohuan Xue, Huaiyang Huang, YuAn Wang, Ming Liu, Ioannis Pitas

To evaluate the performance of our proposed SNE, we created three large-scale synthetic datasets (easy, medium and hard) using 24 3D mesh models, each of which is used to generate 1800--2500 pairs of depth images (resolution: 480X640 pixels) and the corresponding ground-truth surface normal maps from different views.

Active Perception with A Monocular Camera for Multiscopic Vision

1 code implementation22 Jan 2020 Weihao Yuan, Rui Fan, Michael Yu Wang, Qifeng Chen

We design a multiscopic vision system that utilizes a low-cost monocular RGB camera to acquire accurate depth estimation for robotic applications.

Depth Estimation Stereo Matching

Robust Lane Marking Detection Algorithm Using Drivable Area Segmentation and Extended SLT

no code implementations20 Nov 2019 Umar Ozgunalp, Rui Fan, Shanshan Cheng, Yuxiang Sun, Weixun Zuo, Yilong Zhu, Bohuan Xue, Linwei Zheng, Qing Liang, Ming Liu

In this paper, a robust lane detection algorithm is proposed, where the vertical road profile of the road is estimated using dynamic programming from the v-disparity map and, based on the estimated profile, the road area is segmented.

Lane Detection

Road Damage Detection Based on Unsupervised Disparity Map Segmentation

1 code implementation11 Oct 2019 Rui Fan, Ming Liu

This paper presents a novel road damage detection algorithm based on unsupervised disparity map segmentation.

Road Damage Detection

GQ-Net: Training Quantization-Friendly Deep Networks

no code implementations25 Sep 2019 Rundong Li, Rui Fan

Network quantization is a model compression and acceleration technique that has become essential to neural network deployment.

Model Compression Quantization

Key Ingredients of Self-Driving Cars

no code implementations7 Jun 2019 Rui Fan, Jianhao Jiao, Haoyang Ye, Yang Yu, Ioannis Pitas, Ming Liu

Over the past decade, many research articles have been published in the area of autonomous driving.

Autonomous Driving Self-Driving Cars

A Robust Roll Angle Estimation Algorithm Based on Gradient Descent

no code implementations5 Jun 2019 Rui Fan, Lujia Wang, Ming Liu, Ioannis Pitas

This paper presents a robust roll angle estimation algorithm, which is developed from our previously published work, where the roll angle was estimated from a dense disparity map by minimizing a global energy using golden section search algorithm.

Computational Efficiency

A Novel Dual-Lidar Calibration Algorithm Using Planar Surfaces

no code implementations27 Apr 2019 Jianhao Jiao, Qinghai Liao, Yilong Zhu, Tianyu Liu, Yang Yu, Rui Fan, Lujia Wang, Ming Liu

Multiple lidars are prevalently used on mobile vehicles for rendering a broad view to enhance the performance of localization and perception systems.

Translation

Adaptive Power System Emergency Control using Deep Reinforcement Learning

1 code implementation9 Mar 2019 Qiuhua Huang, Renke Huang, Weituo Hao, Jie Tan, Rui Fan, Zhenyu Huang

Power system emergency control is generally regarded as the last safety net for grid security and resiliency.

Benchmarking reinforcement-learning +2

Using DP Towards A Shortest Path Problem-Related Application

no code implementations7 Mar 2019 Jianhao Jiao, Rui Fan, Han Ma, Ming Liu

We apply the designed model and proposed an algorithm for detecting lanes by formulating it as the shortest path problem.

Autonomous Driving Lane Detection

A Novel Disparity Transformation Algorithm for Road Segmentation

no code implementations8 Aug 2018 Rui Fan, Mohammud Junaid Bocus, Naim Dahnoun

The transformation is achieved using two parameters: roll angle and fitted disparity value with respect to each row.

Road Segmentation

Real-time stereo vision-based lane detection system

no code implementations8 Jul 2018 Rui Fan, Naim Dahnoun

The proposed system in this paper is developed from our previous work where the dense vanishing point Vp is estimated globally to assist the detection of multiple curved lane markings.

Lane Detection

Real-Time Subpixel Fast Bilateral Stereo

1 code implementation5 Jul 2018 Rui Fan, Yanan Liu, Mohammud Junaid Bocus, Lujia Wang, Ming Liu

Stereo vision technique has been widely used in robotic systems to acquire 3-D information.

Road surface 3d reconstruction based on dense subpixel disparity map estimation

1 code implementation5 Jul 2018 Rui Fan, Xiao Ai, Naim Dahnoun

To achieve the millimetre accuracy required for road condition assessment, a disparity map with subpixel resolution needs to be used.

3D Reconstruction Computational Efficiency +3

Sentiment Analysis based on User Tag for Traditional Chinese Medicine in Weibo

no code implementations13 Oct 2014 Junhui Shen, Peiyan Zhu, Rui Fan, Wei Tan

To the best of our knowledge, the present work is the first attempt that applies sentiment analysis to the domain of TCM on Sina Weibo (a twitter-like microblogging service in China).

Cultural Vocal Bursts Intensity Prediction Sentiment Analysis +1

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