no code implementations • 25 Feb 2025 • Hang Wang, Qiaoyi Fang, Junshan Zhang
Thus motivated, we study heterogeneous decision making by AVs and HVs in a mixed traffic environment, aiming to capture the interactions between human and machine decision-making and develop an AI foundation that enables vehicles to operate safely and efficiently.
no code implementations • 22 Jan 2025 • Hang Wang, Xin Ye, Feng Tao, Chenbin Pan, Abhirup Mallik, Burhaneddin Yaman, Liu Ren, Junshan Zhang
World model based reinforcement learning (RL) has emerged as a promising approach for autonomous driving, which learns a latent dynamics model and uses it to train a planning policy.
no code implementations • 31 Dec 2024 • Qiaoyi Fang, Weiyu Du, Hang Wang, Junshan Zhang
World models have recently emerged as a promising approach to reinforcement learning (RL), achieving state-of-the-art performance across a wide range of visual control tasks.
no code implementations • 12 Dec 2024 • Zhoulin Ji, Chenhao Lin, Hang Wang, Chao Shen
Detecting synthetic from real speech is increasingly crucial due to the risks of misinformation and identity impersonation.
no code implementations • 2 Dec 2024 • Xiao-Jun Wu, Cai-Jun Zhao, Chun Meng, Hang Wang
This paper Proposes a novel cervical cancer dual-stained image recognition (DSIR-YOLO) model based on an YOLOv5.
1 code implementation • 18 Nov 2024 • Shibin Mei, Hang Wang, Bingbing Ni
Furthermore, we propose a sensor consistency training framework that enables denoising models to learn the sensor-invariant features, thereby facilitating the generalization of the consistent model to unseen sensors.
1 code implementation • 15 May 2024 • Dechen Gao, Shuangyu Cai, Hanchu Zhou, Hang Wang, Iman Soltani, Junshan Zhang
2) Built-in tasks: CarDreamer offers a comprehensive set of highly configurable driving tasks which are compatible with Gym interfaces and are equipped with empirically optimized reward functions.
1 code implementation • 18 Mar 2024 • Hang Wang, Zhi-Qi Cheng, Youtian Du, Lei Zhang
Our research addresses the shortfall by introducing a novel approach to VAC, called Irregular Video Action Counting (IVAC).
1 code implementation • 13 Mar 2024 • Cheng Cheng, Hang Wang, Hongbin Sun
The prevalence of convolution neural networks (CNNs) and vision transformers (ViTs) has markedly revolutionized the area of single-image super-resolution (SISR).
no code implementations • 3 Feb 2024 • Guangmingmei Yang, Xi Li, Hang Wang, David J. Miller, George Kesidis
A variety of defenses have been proposed against Trojans planted in (backdoor attacks on) deep neural network (DNN) classifiers.
1 code implementation • NeurIPS 2023 • Cheng Cheng, Lin Song, Ruoyi Xue, Hang Wang, Hongbin Sun, Yixiao Ge, Ying Shan
Without bells and whistles, our approach outperforms the state-of-the-art online few-shot learning method by an average of 3. 6\% on eight image classification datasets with higher inference speed.
no code implementations • 7 Oct 2023 • Chenhao Lin, Fangbin Yi, Hang Wang, Qian Li, Deng Jingyi, Chao Shen
Face forgery techniques have emerged as a forefront concern, and numerous detection approaches have been proposed to address this challenge.
no code implementations • 28 Sep 2023 • Hang Wang, David J. Miller, George Kesidis
Well-known (non-malicious) sources of overfitting in deep neural net (DNN) classifiers include: i) large class imbalances; ii) insufficient training-set diversity; and iii) over-training.
1 code implementation • 8 Aug 2023 • Hang Wang, Zhen Xiang, David J. Miller, George Kesidis
Deep neural networks are vulnerable to backdoor attacks (Trojans), where an attacker poisons the training set with backdoor triggers so that the neural network learns to classify test-time triggers to the attacker's designated target class.
no code implementations • 20 Jun 2023 • Hang Wang, Sen Lin, Junshan Zhang
To this end, the primary objective of this work is to build a fundamental understanding on ``\textit{whether and when online learning can be significantly accelerated by a warm-start policy from offline RL?}''.
no code implementations • NeurIPS 2021 • Hang Wang, Sen Lin, Junshan Zhang
It is known that the estimation bias hinges heavily on the ensemble size (i. e., the number of Q-function approximators used in the target), and that determining the `right' ensemble size is highly nontrivial, because of the time-varying nature of the function approximation errors during the learning process.
no code implementations • 5 May 2023 • Yuanxing Liu, Weinan Zhang, Baohua Dong, Yan Fan, Hang Wang, Fan Feng, Yifan Chen, Ziyu Zhuang, Hengbin Cui, Yongbin Li, Wanxiang Che
In this paper, we construct a user needs-centric E-commerce conversational recommendation dataset (U-NEED) from real-world E-commerce scenarios.
1 code implementation • CVPR 2023 • Hang Wang, Xuanhong Chen, Bingbing Ni, Yutian Liu, Jinfan Liu
While lightweight ViT framework has made tremendous progress in image super-resolution, its uni-dimensional self-attention modeling, as well as homogeneous aggregation scheme, limit its effective receptive field (ERF) to include more comprehensive interactions from both spatial and channel dimensions.
1 code implementation • CVPR 2023 • Xiaohang Wang, Xuanhong Chen, Bingbing Ni, Hang Wang, Zhengyan Tong, Yutian Liu
The ability of scale-equivariance processing blocks plays a central role in arbitrary-scale image super-resolution tasks.
no code implementations • 13 Dec 2022 • Xuchong Zhang, Changfeng Sun, Haoliang Han, Hang Wang, Hongbin Sun, Nanning Zheng
Evaluation results demonstrate that, the proposed object-fabrication targeted attack mode and the corresponding targeted feature space attack method show significant improvements in terms of image-specific attack, universal performance and generalization capability, compared with the previous targeted attack for object detection.
1 code implementation • 7 Dec 2022 • Xiaohang Wang, Xuanhong Chen, Bingbing Ni, Zhengyan Tong, Hang Wang
Depth map super-resolution (DSR) has been a fundamental task for 3D computer vision.
1 code implementation • 13 May 2022 • Hang Wang, Zhen Xiang, David J. Miller, George Kesidis
Our detector leverages the influence of the backdoor attack, independent of the backdoor embedding mechanism, on the landscape of the classifier's outputs prior to the softmax layer.
1 code implementation • ICCV 2021 • Minghao Xu, Hang Wang, Bingbing Ni, Riheng Zhu, Zhenbang Sun, Changhu Wang
For tackling such practical problem, we propose a Dual-Learner-based Video Highlight Detection (DL-VHD) framework.
1 code implementation • 8 Jun 2021 • Minghao Xu, Hang Wang, Bingbing Ni, Hongyu Guo, Jian Tang
This paper studies unsupervised/self-supervised whole-graph representation learning, which is critical in many tasks such as molecule properties prediction in drug and material discovery.
no code implementations • 4 Jun 2021 • Xuanhong Chen, Hang Wang, Bingbing Ni
Convolution and self-attention are acting as two fundamental building blocks in deep neural networks, where the former extracts local image features in a linear way while the latter non-locally encodes high-order contextual relationships.
Ranked #84 on
Instance Segmentation
on COCO minival
1 code implementation • 21 May 2021 • Hang Wang, David J. Miller, George Kesidis
Deep Neural Networks (DNNs) have been shown vulnerable to Test-Time Evasion attacks (TTEs, or adversarial examples), which, by making small changes to the input, alter the DNN's decision.
1 code implementation • CVPR 2021 • Linguo Li, Minsi Wang, Bingbing Ni, Hang Wang, Jiancheng Yang, Wenjun Zhang
In this work, we propose a Cross-view Contrastive Learning framework for unsupervised 3D skeleton-based action Representation (CrosSCLR), by leveraging multi-view complementary supervision signal.
2 code implementations • 27 Apr 2021 • Minghao Xu, Hang Wang, Bingbing Ni
Multi-Source Domain Adaptation (MSDA) focuses on transferring the knowledge from multiple source domains to the target domain, which is a more practical and challenging problem compared to the conventional single-source domain adaptation.
no code implementations • ICCV 2021 • Ye Chen, Jinxian Liu, Bingbing Ni, Hang Wang, Jiancheng Yang, Ning Liu, Teng Li, Qi Tian
Then the destroyed shape and the normal shape are sent into a point cloud network to get representations, which are employed to segment points that belong to distorted parts and further reconstruct them to restore the shape to normal.
no code implementations • 1 Jan 2021 • Minghao Xu, Hang Wang, Bingbing Ni, Wenjun Zhang, Jian Tang
We propose to disentangle graph structure and node attributes into two distinct sets of representations, and such disentanglement can be done in either the input or the embedding space.
no code implementations • 22 Dec 2020 • Hang Wang, Sen Lin, Hamid Jafarkhani, Junshan Zhang
Specifically, we assume that agents maintain local estimates of the global state based on their local information and communications with neighbors.
no code implementations • 27 Oct 2020 • Sen Lin, Hang Wang, Junshan Zhang
System identification is a fundamental problem in reinforcement learning, control theory and signal processing, and the non-asymptotic analysis of the corresponding sample complexity is challenging and elusive, even for linear time-varying (LTV) systems.
1 code implementation • ECCV 2020 • Hang Wang, Minghao Xu, Bingbing Ni, Wenjun Zhang
Transferring knowledges learned from multiple source domains to target domain is a more practical and challenging task than conventional single-source domain adaptation.
Domain Adaptation
Multi-Source Unsupervised Domain Adaptation
1 code implementation • CVPR 2020 • Minghao Xu, Hang Wang, Bingbing Ni, Qi Tian, Wenjun Zhang
To mitigate these problems, we propose a Graph-induced Prototype Alignment (GPA) framework to seek for category-level domain alignment via elaborate prototype representations.
no code implementations • ICLR 2020 • Peng Zhou, Bingbing Ni, Lingxi Xie, Xiaopeng Zhang, Hang Wang, Cong Geng, Qi Tian
In the field of Generative Adversarial Networks (GANs), how to design a stable training strategy remains an open problem.
no code implementations • 26 Feb 2019 • Guijin Wang, Cairong Zhang, Xinghao Chen, Xiangyang Ji, Jing-Hao Xue, Hang Wang
To mitigate these limitations and promote further research on hand pose estimation from stereo images, we propose a new large-scale binocular hand pose dataset called THU-Bi-Hand, offering a new perspective for fingertip localization.
no code implementations • Sensors 2019 • Xinghao Chen, 1 Guijin Wang, Hengkai Guo, Cairong Zhang, Hang Wang, and Li Zhang
Dynamic hand gesture recognition has attracted increasing attention because of its importance for human–computer interaction.