Search Results for author: Jiaqi Ma

Found 64 papers, 30 papers with code

Driving with Regulation: Interpretable Decision-Making for Autonomous Vehicles with Retrieval-Augmented Reasoning via LLM

no code implementations7 Oct 2024 Tianhui Cai, Yifan Liu, Zewei Zhou, Haoxuan Ma, Seth Z. Zhao, Zhiwen Wu, Jiaqi Ma

This work presents an interpretable decision-making framework for autonomous vehicles that integrates traffic regulations, norms, and safety guidelines comprehensively and enables seamless adaptation to different regions.

Autonomous Vehicles Decision Making +3

Reconstructing Human Mobility Pattern: A Semi-Supervised Approach for Cross-Dataset Transfer Learning

no code implementations3 Oct 2024 Xishun Liao, Yifan Liu, Chenchen Kuai, Haoxuan Ma, Yueshuai He, Shangqing Cao, Chris Stanford, Jiaqi Ma

Our model is validated using comprehensive datasets from the United States, where it effectively reconstructs activity chains and generates high-quality synthetic mobility data, achieving a low Jensen-Shannon Divergence (JSD) value of 0. 001, indicating a close similarity between synthetic and real data.

Transfer Learning

Multi-scale Temporal Fusion Transformer for Incomplete Vehicle Trajectory Prediction

no code implementations2 Sep 2024 Zhanwen Liu, Chao Li, Yang Wang, Nan Yang, Xing Fan, Jiaqi Ma, Xiangmo Zhao

Motion prediction plays an essential role in autonomous driving systems, enabling autonomous vehicles to achieve more accurate local-path planning and driving decisions based on predictions of the surrounding vehicles.

Autonomous Driving Missing Values +2

Perceive-IR: Learning to Perceive Degradation Better for All-in-One Image Restoration

1 code implementation28 Aug 2024 Xu Zhang, Jiaqi Ma, Guoli Wang, Qian Zhang, huan zhang, Lefei Zhang

In the prompt learning stage, we leverage prompt learning to acquire a fine-grained quality perceiver capable of distinguishing three-tier quality levels by constraining the prompt-image similarity in the CLIP perception space.

Image Restoration

CooPre: Cooperative Pretraining for V2X Cooperative Perception

no code implementations20 Aug 2024 Seth Z. Zhao, Hao Xiang, Chenfeng Xu, Xin Xia, Bolei Zhou, Jiaqi Ma

Existing Vehicle-to-Everything (V2X) cooperative perception methods rely on accurate multi-agent 3D annotations.

Representation Learning Self-Supervised Learning

MSTF: Multiscale Transformer for Incomplete Trajectory Prediction

no code implementations8 Jul 2024 Zhanwen Liu, Chao Li, Nan Yang, Yang Wang, Jiaqi Ma, Guangliang Cheng, Xiangmo Zhao

MSTF integrates a Multiscale Attention Head (MAH) and an Information Increment-based Pattern Adaptive (IIPA) module.

Missing Values Motion Forecasting +1

HyperSIGMA: Hyperspectral Intelligence Comprehension Foundation Model

1 code implementation17 Jun 2024 Di Wang, Meiqi Hu, Yao Jin, Yuchun Miao, Jiaqi Yang, Yichu Xu, Xiaolei Qin, Jiaqi Ma, Lingyu Sun, Chenxing Li, Chuan Fu, Hongruixuan Chen, Chengxi Han, Naoto Yokoya, Jing Zhang, Minqiang Xu, Lin Liu, Lefei Zhang, Chen Wu, Bo Du, DaCheng Tao, Liangpei Zhang

To tackle the spectral and spatial redundancy challenges in HSIs, we introduce a novel sparse sampling attention (SSA) mechanism, which effectively promotes the learning of diverse contextual features and serves as the basic block of HyperSIGMA.

DCA-Bench: A Benchmark for Dataset Curation Agents

no code implementations11 Jun 2024 Benhao Huang, Yingzhuo Yu, Jin Huang, Xingjian Zhang, Jiaqi Ma

Despite the proliferation of open dataset platforms nowadays, data quality issues, such as insufficient documentation, inaccurate annotations, and ethical concerns, remain common in datasets widely used in AI.

AI Risk Management Should Incorporate Both Safety and Security

no code implementations29 May 2024 Xiangyu Qi, Yangsibo Huang, Yi Zeng, Edoardo Debenedetti, Jonas Geiping, Luxi He, Kaixuan Huang, Udari Madhushani, Vikash Sehwag, Weijia Shi, Boyi Wei, Tinghao Xie, Danqi Chen, Pin-Yu Chen, Jeffrey Ding, Ruoxi Jia, Jiaqi Ma, Arvind Narayanan, Weijie J Su, Mengdi Wang, Chaowei Xiao, Bo Li, Dawn Song, Peter Henderson, Prateek Mittal

The exposure of security vulnerabilities in safety-aligned language models, e. g., susceptibility to adversarial attacks, has shed light on the intricate interplay between AI safety and AI security.

Management

A Two-sided Model for EV Market Dynamics and Policy Implications

no code implementations27 May 2024 Haoxuan Ma, Brian Yueshuai He, Tomas Kaljevic, Jiaqi Ma

The diffusion of Electric Vehicles (EVs) plays a pivotal role in mitigating greenhouse gas emissions, particularly in the U. S., where ambitious zero-emission and carbon neutrality objectives have been set.

Efficient Ensembles Improve Training Data Attribution

no code implementations27 May 2024 Junwei Deng, Ting-Wei Li, Shichang Zhang, Jiaqi Ma

Training data attribution (TDA) methods aim to quantify the influence of individual training data points on the model predictions, with broad applications in data-centric AI, such as mislabel detection, data selection, and copyright compensation.

Attribute Computational Efficiency

Semantic Trajectory Data Mining with LLM-Informed POI Classification

no code implementations20 May 2024 Yifan Liu, Chenchen Kuai, Haoxuan Ma, Xishun Liao, Brian Yueshuai He, Jiaqi Ma

In our evaluation using the OpenStreetMap (OSM) POI dataset, our approach achieves a 93. 4% accuracy and a 96. 1% F-1 score in POI classification, and a 91. 7% accuracy with a 92. 3% F-1 score in activity inference.

Management

Towards Reliable Empirical Machine Unlearning Evaluation: A Game-Theoretic View

no code implementations17 Apr 2024 Yiwen Tu, Pingbang Hu, Jiaqi Ma

Machine unlearning is the process of updating machine learning models to remove the information of specific training data samples, in order to comply with data protection regulations that allow individuals to request the removal of their personal data.

Inference Attack Machine Unlearning +1

V2X-Real: a Largs-Scale Dataset for Vehicle-to-Everything Cooperative Perception

no code implementations24 Mar 2024 Hao Xiang, Zhaoliang Zheng, Xin Xia, Runsheng Xu, Letian Gao, Zewei Zhou, Xu Han, Xinkai Ji, Mingxi Li, Zonglin Meng, Li Jin, Mingyue Lei, Zhaoyang Ma, Zihang He, Haoxuan Ma, Yunshuang Yuan, Yingqian Zhao, Jiaqi Ma

Recent advancements in Vehicle-to-Everything (V2X) technologies have enabled autonomous vehicles to share sensing information to see through occlusions, greatly boosting the perception capability.

Autonomous Vehicles

OpenHEXAI: An Open-Source Framework for Human-Centered Evaluation of Explainable Machine Learning

no code implementations20 Feb 2024 Jiaqi Ma, Vivian Lai, Yiming Zhang, Chacha Chen, Paul Hamilton, Davor Ljubenkov, Himabindu Lakkaraju, Chenhao Tan

However, properly evaluating the effectiveness of the XAI methods inevitably requires the involvement of human subjects, and conducting human-centered benchmarks is challenging in a number of ways: designing and implementing user studies is complex; numerous design choices in the design space of user study lead to problems of reproducibility; and running user studies can be challenging and even daunting for machine learning researchers.

Decision Making Fairness

Breaking Data Silos: Cross-Domain Learning for Multi-Agent Perception from Independent Private Sources

1 code implementation6 Feb 2024 Jinlong Li, Baolu Li, Xinyu Liu, Runsheng Xu, Jiaqi Ma, Hongkai Yu

However, the data source to train the various agents is independent and private in each company, leading to the Distribution Gap of different private data for training distinct agents in multi-agent perception system.

3D Object Detection object-detection

Computational Copyright: Towards A Royalty Model for Music Generative AI

no code implementations11 Dec 2023 Junwei Deng, Shiyuan Zhang, Jiaqi Ma

This research is one of the early attempts to integrate technical advancements with economic and legal considerations in the field of music generative AI, offering a computational copyright solution for the challenges posed by the opaque nature of AI technologies.

Music Generation

Towards Vehicle-to-everything Autonomous Driving: A Survey on Collaborative Perception

no code implementations31 Aug 2023 Si Liu, Chen Gao, Yuan Chen, Xingyu Peng, Xianghao Kong, Kun Wang, Runsheng Xu, Wentao Jiang, Hao Xiang, Jiaqi Ma, Miao Wang

Specifically, we analyze the performance changes of different methods under different bandwidths, providing a deep insight into the performance-bandwidth trade-off issue.

Autonomous Driving

Accurate, Explainable, and Private Models: Providing Recourse While Minimizing Training Data Leakage

no code implementations8 Aug 2023 Catherine Huang, Chelse Swoopes, Christina Xiao, Jiaqi Ma, Himabindu Lakkaraju

We present two novel methods to generate differentially private recourse: Differentially Private Model (DPM) and Laplace Recourse (LR).

Fair Machine Unlearning: Data Removal while Mitigating Disparities

1 code implementation27 Jul 2023 Alex Oesterling, Jiaqi Ma, Flavio P. Calmon, Hima Lakkaraju

In this work, we demonstrate that most efficient unlearning methods cannot accommodate popular fairness interventions, and we propose the first fair machine unlearning method that can efficiently unlearn data instances from a fair objective.

Fairness Machine Unlearning

Analyzing Chain-of-Thought Prompting in Large Language Models via Gradient-based Feature Attributions

no code implementations25 Jul 2023 Skyler Wu, Eric Meng Shen, Charumathi Badrinath, Jiaqi Ma, Himabindu Lakkaraju

Chain-of-thought (CoT) prompting has been shown to empirically improve the accuracy of large language models (LLMs) on various question answering tasks.

Question Answering

Domain Adaptation based Object Detection for Autonomous Driving in Foggy and Rainy Weather

1 code implementation18 Jul 2023 Jinlong Li, Runsheng Xu, Xinyu Liu, Jin Ma, Baolu Li, Qin Zou, Jiaqi Ma, Hongkai Yu

To bridge the domain gap and improve the performance of object detection in foggy and rainy weather, this paper presents a novel framework for domain-adaptive object detection.

Autonomous Driving Data Augmentation +4

S2R-ViT for Multi-Agent Cooperative Perception: Bridging the Gap from Simulation to Reality

no code implementations16 Jul 2023 Jinlong Li, Runsheng Xu, Xinyu Liu, Baolu Li, Qin Zou, Jiaqi Ma, Hongkai Yu

We investigate the effects of these two types of domain gaps and propose a novel uncertainty-aware vision transformer to effectively relief the Deployment Gap and an agent-based feature adaptation module with inter-agent and ego-agent discriminators to reduce the Feature Gap.

3D Object Detection object-detection +1

ProRes: Exploring Degradation-aware Visual Prompt for Universal Image Restoration

1 code implementation23 Jun 2023 Jiaqi Ma, Tianheng Cheng, Guoli Wang, Qian Zhang, Xinggang Wang, Lefei Zhang

We then leverage degradation-aware visual prompts to establish a controllable and universal model for image restoration, called ProRes, which is applicable to an extensive range of image restoration tasks.

Deblurring Denoising +3

HM-ViT: Hetero-modal Vehicle-to-Vehicle Cooperative perception with vision transformer

1 code implementation ICCV 2023 Hao Xiang, Runsheng Xu, Jiaqi Ma

We present HM-ViT, the first unified multi-agent hetero-modal cooperative perception framework that can collaboratively predict 3D objects for highly dynamic vehicle-to-vehicle (V2V) collaborations with varying numbers and types of agents.

Autonomous Vehicles

FedBEVT: Federated Learning Bird's Eye View Perception Transformer in Road Traffic Systems

1 code implementation4 Apr 2023 Rui Song, Runsheng Xu, Andreas Festag, Jiaqi Ma, Alois Knoll

Our findings suggest that FedBEVT outperforms the baseline approaches in all four use cases, demonstrating the potential of our approach for improving BEV perception in autonomous driving.

Autonomous Driving Federated Learning

Towards Bridging the Gaps between the Right to Explanation and the Right to be Forgotten

no code implementations8 Feb 2023 Satyapriya Krishna, Jiaqi Ma, Himabindu Lakkaraju

The Right to Explanation and the Right to be Forgotten are two important principles outlined to regulate algorithmic decision making and data usage in real-world applications.

Decision Making

Learning for Vehicle-to-Vehicle Cooperative Perception under Lossy Communication

1 code implementation16 Dec 2022 Jinlong Li, Runsheng Xu, Xinyu Liu, Jin Ma, Zicheng Chi, Jiaqi Ma, Hongkai Yu

Due to the beneficial Vehicle-to-Vehicle (V2V) communication, the deep learning based features from other agents can be shared to the ego vehicle so as to improve the perception of the ego vehicle.

3D Object Detection object-detection

Analyzing Infrastructure LiDAR Placement with Realistic LiDAR Simulation Library

2 code implementations29 Nov 2022 Xinyu Cai, Wentao Jiang, Runsheng Xu, Wenquan Zhao, Jiaqi Ma, Si Liu, Yikang Li

Through simulating point cloud data in different LiDAR placements, we can evaluate the perception accuracy of these placements using multiple detection models.

Domain Adaptive Object Detection for Autonomous Driving under Foggy Weather

1 code implementation27 Oct 2022 Jinlong Li, Runsheng Xu, Jin Ma, Qin Zou, Jiaqi Ma, Hongkai Yu

This paper proposes a novel domain adaptive object detection framework for autonomous driving under foggy weather.

Autonomous Driving Data Augmentation +4

Bridging the Domain Gap for Multi-Agent Perception

1 code implementation16 Oct 2022 Runsheng Xu, Jinlong Li, Xiaoyu Dong, Hongkai Yu, Jiaqi Ma

Existing multi-agent perception algorithms usually select to share deep neural features extracted from raw sensing data between agents, achieving a trade-off between accuracy and communication bandwidth limit.

3D Object Detection Domain Adaptation +1

V2XP-ASG: Generating Adversarial Scenes for Vehicle-to-Everything Perception

1 code implementation27 Sep 2022 Hao Xiang, Runsheng Xu, Xin Xia, Zhaoliang Zheng, Bolei Zhou, Jiaqi Ma

Recent advancements in Vehicle-to-Everything communication technology have enabled autonomous vehicles to share sensory information to obtain better perception performance.

Autonomous Vehicles

ELMformer: Efficient Raw Image Restoration with a Locally Multiplicative Transformer

no code implementations31 Aug 2022 Jiaqi Ma, Shengyuan Yan, Lefei Zhang, Guoli Wang, Qian Zhang

In order to get raw images of high quality for downstream Image Signal Process (ISP), in this paper we present an Efficient Locally Multiplicative Transformer called ELMformer for raw image restoration.

Attribute Deblurring +2

CoBEVT: Cooperative Bird's Eye View Semantic Segmentation with Sparse Transformers

2 code implementations5 Jul 2022 Runsheng Xu, Zhengzhong Tu, Hao Xiang, Wei Shao, Bolei Zhou, Jiaqi Ma

The extensive experiments on the V2V perception dataset, OPV2V, demonstrate that CoBEVT achieves state-of-the-art performance for cooperative BEV semantic segmentation.

3D Object Detection Autonomous Driving +2

Pik-Fix: Restoring and Colorizing Old Photos

1 code implementation4 May 2022 Runsheng Xu, Zhengzhong Tu, Yuanqi Du, Xiaoyu Dong, Jinlong Li, Zibo Meng, Jiaqi Ma, Alan Bovik, Hongkai Yu

Our proposed framework consists of three modules: a restoration sub-network that conducts restoration from degradations, a similarity network that performs color histogram matching and color transfer, and a colorization subnet that learns to predict the chroma elements of images conditioned on chromatic reference signals.

Colorization

V2X-ViT: Vehicle-to-Everything Cooperative Perception with Vision Transformer

1 code implementation20 Mar 2022 Runsheng Xu, Hao Xiang, Zhengzhong Tu, Xin Xia, Ming-Hsuan Yang, Jiaqi Ma

In this paper, we investigate the application of Vehicle-to-Everything (V2X) communication to improve the perception performance of autonomous vehicles.

3D Object Detection Autonomous Vehicles +1

ROMNet: Renovate the Old Memories

no code implementations5 Feb 2022 Runsheng Xu, Zhengzhong Tu, Yuanqi Du, Xiaoyu Dong, Jinlong Li, Zibo Meng, Jiaqi Ma, Hongkai Yu

Renovating the memories in old photos is an intriguing research topic in computer vision fields.

Colorization

Partition-Based Active Learning for Graph Neural Networks

1 code implementation23 Jan 2022 Jiaqi Ma, Ziqiao Ma, Joyce Chai, Qiaozhu Mei

We study the problem of semi-supervised learning with Graph Neural Networks (GNNs) in an active learning setup.

Active Learning Node Classification

Fast Learning of MNL Model from General Partial Rankings with Application to Network Formation Modeling

1 code implementation31 Dec 2021 Jiaqi Ma, Xingjian Zhang, Qiaozhu Mei

The problem of learning mixture of MNL models from partial rankings naturally arises in such applications.

Discrete Choice Models

How Much Space Has Been Explored? Measuring the Chemical Space Covered by Databases and Machine-Generated Molecules

no code implementations22 Dec 2021 Yutong Xie, Ziqiao Xu, Jiaqi Ma, Qiaozhu Mei

We further evaluate how well the existing databases and generation models cover the chemical space in terms of #Circles.

Drug Discovery

OPV2V: An Open Benchmark Dataset and Fusion Pipeline for Perception with Vehicle-to-Vehicle Communication

2 code implementations16 Sep 2021 Runsheng Xu, Hao Xiang, Xin Xia, Xu Han, Jinlong Li, Jiaqi Ma

We then construct a comprehensive benchmark with a total of 16 implemented models to evaluate several information fusion strategies~(i. e. early, late, and intermediate fusion) with state-of-the-art LiDAR detection algorithms.

3D Object Detection Benchmarking

Subgroup Generalization and Fairness of Graph Neural Networks

1 code implementation NeurIPS 2021 Jiaqi Ma, Junwei Deng, Qiaozhu Mei

Despite enormous successful applications of graph neural networks (GNNs), theoretical understanding of their generalization ability, especially for node-level tasks where data are not independent and identically-distributed (IID), has been sparse.

Fairness

Adversarial Attack on Graph Neural Networks as An Influence Maximization Problem

2 code implementations21 Jun 2021 Jiaqi Ma, Junwei Deng, Qiaozhu Mei

This connection not only enhances our understanding on the problem of adversarial attack on GNNs, but also allows us to propose a group of effective and practical attack strategies.

Adversarial Attack

Pseudo Facial Generation With Extreme Poses for Face Recognition

no code implementations CVPR 2021 Guoli Wang, Jiaqi Ma, Qian Zhang, Jiwen Lu, Jie zhou

Many of them settle it by generating fake frontal faces from extreme ones, whereas they are tough to maintain the identity information with high computational consumption and uncontrolled disturbances.

Face Recognition

Black-Box Adversarial Attacks on Graph Neural Networks as An Influence Maximization Problem

no code implementations1 Jan 2021 Jiaqi Ma, Junwei Deng, Qiaozhu Mei

This connection not only enhances our understanding on the problem of adversarial attack on GNNs, but also allows us to propose a group of effective black-box attack strategies.

Adversarial Attack

CopulaGNN: Towards Integrating Representational and Correlational Roles of Graphs in Graph Neural Networks

2 code implementations ICLR 2021 Jiaqi Ma, Bo Chang, Xuefei Zhang, Qiaozhu Mei

In this paper, we distinguish the \textit{representational} and the \textit{correlational} roles played by the graphs in node-level prediction tasks, and we investigate how Graph Neural Network (GNN) models can effectively leverage both types of information.

Graph Neural Network

SODEN: A Scalable Continuous-Time Survival Model through Ordinary Differential Equation Networks

1 code implementation19 Aug 2020 Weijing Tang, Jiaqi Ma, Qiaozhu Mei, Ji Zhu

In this paper, we propose a flexible model for survival analysis using neural networks along with scalable optimization algorithms.

Survival Analysis

Learning-to-Rank with Partitioned Preference: Fast Estimation for the Plackett-Luce Model

no code implementations9 Jun 2020 Jiaqi Ma, Xinyang Yi, Weijing Tang, Zhe Zhao, Lichan Hong, Ed H. Chi, Qiaozhu Mei

We investigate the Plackett-Luce (PL) model based listwise learning-to-rank (LTR) on data with partitioned preference, where a set of items are sliced into ordered and disjoint partitions, but the ranking of items within a partition is unknown.

Extreme Multi-Label Classification Learning-To-Rank +1

Towards More Practical Adversarial Attacks on Graph Neural Networks

2 code implementations NeurIPS 2020 Jiaqi Ma, Shuangrui Ding, Qiaozhu Mei

Our theoretical and empirical analyses suggest that there is a discrepancy between the loss and mis-classification rate, as the latter presents a diminishing-return pattern when the number of attacked nodes increases.

Classification General Classification

Graph Representation Learning via Multi-task Knowledge Distillation

no code implementations11 Nov 2019 Jiaqi Ma, Qiaozhu Mei

In this work, we demonstrate that, if available, the domain expertise used for designing handcraft graph features can improve the graph-level representation learning when training labels are scarce.

Graph Representation Learning Knowledge Distillation +1

A Flexible Generative Framework for Graph-based Semi-supervised Learning

1 code implementation NeurIPS 2019 Jiaqi Ma, Weijing Tang, Ji Zhu, Qiaozhu Mei

In this work, we propose a flexible generative framework for graph-based semi-supervised learning, which approaches the joint distribution of the node features, labels, and the graph structure.

Missing Labels Variational Inference

Measuring Human Perception to Improve Handwritten Document Transcription

no code implementations7 Apr 2019 Samuel Grieggs, Bingyu Shen, Greta Rauch, Pei Li, Jiaqi Ma, David Chiang, Brian Price, Walter J. Scheirer

The subtleties of human perception, as measured by vision scientists through the use of psychophysics, are important clues to the internal workings of visual recognition.

Modeling Task Relationships in Multi-task Learning with Multi-gate Mixture-of-Experts

11 code implementations19 Jul 2018 Jiaqi Ma, Zhe Zhao, Xinyang Yi, Jilin Chen, Lichan Hong, Ed Chi

In this work, we propose a novel multi-task learning approach, Multi-gate Mixture-of-Experts (MMoE), which explicitly learns to model task relationships from data.

Binary Classification Click-Through Rate Prediction +2

DeepCas: an End-to-end Predictor of Information Cascades

1 code implementation16 Nov 2016 Cheng Li, Jiaqi Ma, Xiaoxiao Guo, Qiaozhu Mei

While many believe that they are inherently unpredictable, recent work has shown that some key properties of information cascades, such as size, growth, and shape, can be predicted by a machine learning algorithm that combines many features.

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