no code implementations • 24 May 2023 • Qi Wang, Junming Yang, Yunbo Wang, Xin Jin, Wenjun Zeng, Xiaokang Yang
Training visual reinforcement learning (RL) models in offline datasets is challenging due to overfitting issues in representation learning and overestimation problems in value function.
no code implementations • 18 May 2023 • Ning Lu, Shengcai Liu, Rui He, Qi Wang, Ke Tang
Large Language Models (LLMs) have demonstrated exceptional performance in a variety of tasks, including essay writing and question answering.
no code implementations • 15 May 2023 • Zhiyi Zhang, Pengfei Zhang, Qi Wang
Java is very powerful, but in Deep Learning field, its capabilities probably has not been sufficiently exploited.
1 code implementation • 5 May 2023 • Zeyan Li, Junjie Chen, Yihao Chen, Chengyang Luo, Yiwei Zhao, Yongqian Sun, Kaixin Sui, Xiping Wang, Dapeng Liu, Xing Jin, Qi Wang, Dan Pei
Such attribute combinations are substantial clues to the underlying root causes and thus are called root causes of multidimensional data.
no code implementations • 4 May 2023 • Qi Wang, Zhijie Wen, Jun Shi, Qian Wang, Dinggang Shen, Shihui Ying
Multi-modal Magnetic Resonance Imaging (MRI) plays an important role in clinical medicine.
no code implementations • 28 Apr 2023 • Frank E. Curtis, Vyacheslav Kungurtsev, Daniel P. Robinson, Qi Wang
A stochastic-gradient-based interior-point algorithm for minimizing a continuously differentiable objective function (that may be nonconvex) subject to bound constraints is presented, analyzed, and demonstrated through experimental results.
no code implementations • 19 Apr 2023 • Zuxiang Situ, Qi Wang, Shuai Teng, Wanen Feng, Gongfa Chen, Qianqian Zhou, Guangtao Fu
This study presented a CNN-RNN hybrid feature fusion modelling approach for urban flood prediction, which integrated the strengths of CNNs in processing spatial features and RNNs in analyzing different dimensions of time sequences.
no code implementations • 30 Mar 2023 • Zhe Liu, Zhou Chen, Qi Wang, Sheng Zhang, Yunjie Yang
The results suggest that combining the shallow image prior and the hand-crafted regularization can achieve similar performance to the Deep Image Prior (DIP) but with less architectural dependency and complexity of the neural network.
no code implementations • 28 Mar 2023 • Jingwei Sun, Jun Li, Yonghong Hao, Cuiting Qi, Chunmei Ma, Huazhi Sun, Negash Begashaw, Gurcan Comet, Yi Sun, Qi Wang
In this paper, the authors propose a new approach to solving the groundwater flow equation in the Toth basin of arbitrary top and bottom topographies using deep learning.
no code implementations • 24 Mar 2023 • Qi Wang, Lucas Mahler, Julius Steiglechner, Florian Birk, Klaus Scheffler, Gabriele Lohmann
Current SISR methods for 3D volumetric images are based on Generative Adversarial Networks (GANs), especially Wasserstein GANs due to their training stability.
no code implementations • 17 Mar 2023 • Qi Wang, Wenchuan Wu, Chenhui Lin, Bin Wang
In the spatial dimension, a multi-parametric programming projection based spatial decomposition algorithm is developed to coordinate the ED problems of TG and DNs in a distributed manner.
no code implementations • 9 Mar 2023 • Feng He, Qi Wang, Zhifan Feng, Wenbin Jiang, Yajuan Lv, Yong Zhu, Xiao Tan
While most video retrieval methods overlook that phenomenon, we propose an adaptive margin changed with the distance between positive and negative pairs to solve the aforementioned issue.
no code implementations • 18 Feb 2023 • Feisha Hu, Qi Wang, Haijian Shao, Shang Gao, Hualong Yu
To improve the performance of OCKELM, we choose a Triangular Global Alignment Kernel (TGAK) instead of an RBF Kernel and introduce the Fast Independent Component Analysis (FastICA) algorithm to reconstruct UAV data.
no code implementations • 6 Feb 2023 • Ning Lu, Shengcai Liu, Zhirui Zhang, Qi Wang, Haifeng Liu, Ke Tang
Intuitively, this finding suggests a natural way to improve model robustness by training the model on the $n$-FD examples.
1 code implementation • 3 Jan 2023 • Yushun Dong, Binchi Zhang, Yiling Yuan, Na Zou, Qi Wang, Jundong Li
Knowledge Distillation (KD) is a common solution to compress GNNs, where a light-weighted model (i. e., the student model) is encouraged to mimic the behavior of a computationally expensive GNN (i. e., the teacher GNN model).
no code implementations • CVPR 2023 • Li’an Zhuo, Jian Cao, Qi Wang, Bang Zhang, Liefeng Bo
Then the optimization-based method is introduced to reconstruct the foot pose and foot-ground contact for the general multi-view datasets including AIST++ and Human3. 6M.
1 code implementation • 5 Dec 2022 • Qi Wang, Sheng Shi, Jiahui Li, Wuming Jiang, Xiangde Zhang
Existing methods are limited by the inconsistent point densities of different parts in the point cloud.
Ranked #2 on
Semantic Segmentation
on S3DIS
no code implementations • 2 Dec 2022 • Qi Wang, Juncheng Wang, Junyu Gao, Yuan Yuan, Xuelong Li
The mainstream crowd counting methods regress density map and integrate it to obtain counting results.
no code implementations • 30 Nov 2022 • Chuang Yang, Haozhao Ma, Qi Wang
Considering the superiorities above, we propose VeinMask to formulate the instance segmentation problem as the simulation of the vein growth process and to predict the major and minor veins in polar coordinates.
no code implementations • 7 Nov 2022 • Andrey Ignatov, Radu Timofte, Cheng-Ming Chiang, Hsien-Kai Kuo, Yu-Syuan Xu, Man-Yu Lee, Allen Lu, Chia-Ming Cheng, Chih-Cheng Chen, Jia-Ying Yong, Hong-Han Shuai, Wen-Huang Cheng, Zhuang Jia, Tianyu Xu, Yijian Zhang, Long Bao, Heng Sun, Diankai Zhang, Si Gao, Shaoli Liu, Biao Wu, Xiaofeng Zhang, Chengjian Zheng, Kaidi Lu, Ning Wang, Xiao Sun, HaoDong Wu, Xuncheng Liu, Weizhan Zhang, Caixia Yan, Haipeng Du, Qinghua Zheng, Qi Wang, Wangdu Chen, Ran Duan, Mengdi Sun, Dan Zhu, Guannan Chen, Hojin Cho, Steve Kim, Shijie Yue, Chenghua Li, Zhengyang Zhuge, Wei Chen, Wenxu Wang, Yufeng Zhou, Xiaochen Cai, Hengxing Cai, Kele Xu, Li Liu, Zehua Cheng, Wenyi Lian, Wenjing Lian
While numerous solutions have been proposed for this problem, they are usually quite computationally demanding, demonstrating low FPS rates and power efficiency on mobile devices.
no code implementations • 14 Aug 2022 • PengYu Chen, Junyu Gao, Yuan Yuan, Qi Wang
RGB-Thermal (RGB-T) crowd counting is a challenging task, which uses thermal images as complementary information to RGB images to deal with the decreased performance of unimodal RGB-based methods in scenes with low-illumination or similar backgrounds.
1 code implementation • 2 Aug 2022 • Pu Ren, Chengping Rao, Yang Liu, Zihan Ma, Qi Wang, Jian-Xun Wang, Hao Sun
High-fidelity simulation of complex physical systems is exorbitantly expensive and inaccessible across spatiotemporal scales.
no code implementations • 9 Jul 2022 • Qi Wang, Jingwu Mei
This paper proposes an industrial weld segmentation network based on a deep learning semantic segmentation algorithm fused with heatmap detail guidance and Image Matting to solve the automatic segmentation problem of weld regions.
no code implementations • 17 Jun 2022 • Hongyu Hu, Qi Wang, Zhengguang Zhang, Zhengyi Li, Zhenhai Gao
Trajectory prediction and behavioral decision-making are two important tasks for autonomous vehicles that require good understanding of the environmental context; behavioral decisions are better made by referring to the outputs of trajectory predictions.
Ranked #46 on
Motion Forecasting
on Argoverse CVPR 2020
no code implementations • 12 Jun 2022 • Juncheng Wang, Junyu Gao, Yuan Yuan, Qi Wang
The core reason of intrinsic scale shift being one of the most essential issues in crowd localization is that it is ubiquitous in crowd scenes and makes scale distribution chaotic.
no code implementations • 6 Jun 2022 • Qi Wang, Ying Cui, Chenglin Li, Junni Zou, Hongkai Xiong
To reduce computational complexity, we first transform each to an equivalent but much simpler discrete problem with N\llL variables representing the partition of the L coordinates into N blocks, each with identical redundancy.
1 code implementation • 25 May 2022 • Shuke Zhang, Yanzhao Jin, Tianmeng Liu, Qi Wang, Zhaohui Zhang, Shuliang Zhao, Bo Shan
We also develop an edge-based atom-pair feature aggregation method to represent complex interactions and a graph pooling-based method to predict the binding affinity of the complex.
no code implementations • 6 May 2022 • Zhenghang Yuan, Lichao Mou, Qi Wang, Xiao Xiang Zhu
To be more specific, a language-guided SPCL method with a soft weighting strategy is explored in this work.
1 code implementation • 9 Apr 2022 • Qiang Li, Yuan Yuan, Xiuping Jia, Qi Wang
Hyperspectral image produces high spectral resolution at the sacrifice of spatial resolution.
1 code implementation • CVPR 2022 • Tao Han, Lei Bai, Junyu Gao, Qi Wang, Wanli Ouyang
Instead of relying on the Multiple Object Tracking (MOT) techniques, we propose to solve the problem by decomposing all pedestrians into the initial pedestrians who existed in the first frame and the new pedestrians with separate identities in each following frame.
no code implementations • 21 Feb 2022 • Zhijun Zeng, Zhen Hou, Ting Li, Lei Deng, Jianguo Hou, Xinran Huang, Jun Li, Meirou Sun, Yunhan Wang, Qiyu Wu, Wenhao Zheng, Hua Jiang, Qi Wang
We develop a deep learning approach to predicting a set of ventilator parameters for a mechanically ventilated septic patient using a long and short term memory (LSTM) recurrent neural network (RNN) model.
no code implementations • 12 Jan 2022 • Qi Wang, Anastasios Kakkavas, Xitao Gong, Richard A. Stirling-Gallacher
For the next generation of mobile communications systems, the integration of sensing and communications promises benefits in terms of spectrum utilization, cost, latency, area and weight.
no code implementations • 30 Dec 2021 • Zhitong Xiong, Wei Huang, Jingtao Hu, Yilei Shi, Qi Wang, Xiao Xiang Zhu
Next, two new experimental protocols, zero-shot and few-shot cross-dataset transfer, are designed.
no code implementations • 15 Dec 2021 • Yinan He, Lu Sheng, Jing Shao, Ziwei Liu, Zhaofan Zou, Zhizhi Guo, Shan Jiang, Curitis Sun, Guosheng Zhang, Keyao Wang, Haixiao Yue, Zhibin Hong, Wanguo Wang, Zhenyu Li, Qi Wang, Zhenli Wang, Ronghao Xu, Mingwen Zhang, Zhiheng Wang, Zhenhang Huang, Tianming Zhang, Ningning Zhao
The rapid progress of photorealistic synthesis techniques has reached a critical point where the boundary between real and manipulated images starts to blur.
no code implementations • 18 Nov 2021 • Chuang Yang, Mulin Chen, Yuan Yuan, Qi Wang, Xuelong Li
It weakens the coupling of texts to shrink-masks, which improves the robustness of detection results.
no code implementations • 14 Oct 2021 • Zhitong Xiong, Yuan Yuan, Qi Wang
Discriminative local theme-level and object-level representations can be selected with the DLFS module from the spatially-correlated multi-modal RGB-D features.
no code implementations • 10 Oct 2021 • Qi Wang, Tao Han, Junyu Gao, Yuan Yuan, Xuelong Li
The rapid development in visual crowd analysis shows a trend to count people by positioning or even detecting, rather than simply summing a density map.
no code implementations • 12 Sep 2021 • Qi Wang, Sikai Bai, Junyu Gao, Yuan Yuan, Xuelong Li
In addition, due to domain gaps between different datasets, the performance is dramatically decreased when re-ID models pre-trained on label-rich datasets (source domain) are directly applied to other unlabeled datasets (target domain).
1 code implementation • 19 Jul 2021 • Dawei Du, Longyin Wen, Pengfei Zhu, Heng Fan, QinGhua Hu, Haibin Ling, Mubarak Shah, Junwen Pan, Ali Al-Ali, Amr Mohamed, Bakour Imene, Bin Dong, Binyu Zhang, Bouchali Hadia Nesma, Chenfeng Xu, Chenzhen Duan, Ciro Castiello, Corrado Mencar, Dingkang Liang, Florian Krüger, Gennaro Vessio, Giovanna Castellano, Jieru Wang, Junyu Gao, Khalid Abualsaud, Laihui Ding, Lei Zhao, Marco Cianciotta, Muhammad Saqib, Noor Almaadeed, Omar Elharrouss, Pei Lyu, Qi Wang, Shidong Liu, Shuang Qiu, Siyang Pan, Somaya Al-Maadeed, Sultan Daud Khan, Tamer Khattab, Tao Han, Thomas Golda, Wei Xu, Xiang Bai, Xiaoqing Xu, Xuelong Li, Yanyun Zhao, Ye Tian, Yingnan Lin, Yongchao Xu, Yuehan Yao, Zhenyu Xu, Zhijian Zhao, Zhipeng Luo, Zhiwei Wei, Zhiyuan Zhao
Crowd counting on the drone platform is an interesting topic in computer vision, which brings new challenges such as small object inference, background clutter and wide viewpoint.
2 code implementations • 9 Jun 2021 • Chengping Rao, Pu Ren, Qi Wang, Oral Buyukozturk, Hao Sun, Yang Liu
Modeling complex spatiotemporal dynamical systems, such as the reaction-diffusion processes, have largely relied on partial differential equations (PDEs).
no code implementations • 3 Jun 2021 • Tianqi Mao, Jiaxuan Chen, Qi Wang, Chong Han, Zhaocheng Wang, George K. Karagiannidis
Finally, a data-embedded MS-QP (DE-MS-QP) waveform is constructed through time-domain extension of the MS-QP sequence, generating null frequency points on each subband for data transmission.
no code implementations • 12 May 2021 • Chuang Yang, Mulin Chen, Yuan Yuan, Qi Wang
Text detection, the key technology for understanding scene text, has become an attractive research topic.
no code implementations • 24 Apr 2021 • Qi Wang, Yanling Miao, Mulin Chen, Xuelong Li
In order to better handle the high dimensionality problem and preserve the spatial structures, this paper proposes a novel unsupervised approach called spatial-spectral clustering with anchor graph (SSCAG) for HSI data clustering.
no code implementations • 11 Apr 2021 • Chuang Yang, Mulin Chen, Yuan Yuan, Qi Wang
Specifically, a new text representation strategy is proposed to represent text contours from a top-down perspective, which can fit highly curved text contours effectively.
no code implementations • 11 Apr 2021 • Qi Wang, Xu Jiang, Mulin Chen, Xuelong Li
In this paper, we focus on the unsupervised multi-view feature selection which tries to handle high dimensional data in the field of multi-view learning.
no code implementations • 25 Mar 2021 • Yanling Miao, Qi Wang, Mulin Chen, Xuelong Li
Graph-based semi-supervised learning methods, which deal well with the situation of limited labeled data, have shown dominant performance in practical applications.
no code implementations • 17 Mar 2021 • Bo Wei, Mulin Chen, Qi Wang, Xuelong Li
To obtain the accurate supervision information of different channels, the MDSNet employs an auxiliary network called SupervisionNet (SN) to generate abundant supervision maps based on existing groundtruth.
no code implementations • 16 Feb 2021 • Qi Wang, Herke van Hoof
Reinforcement learning is a promising paradigm for solving sequential decision-making problems, but low data efficiency and weak generalization across tasks are bottlenecks in real-world applications.
no code implementations • 21 Dec 2020 • Qi Wang
In this paper, we investigate the effect of dispersal and advection on the dynamics of a predator-prey model.
Analysis of PDEs 35B35, 35K57, 92D25, 92D40
no code implementations • 8 Dec 2020 • Qi Wang, Andrii V. Chumak, Philipp Pirro
The field of magnonics offers a new type of low-power information processing, in which magnons, the quanta of spin waves, carry and process data instead of electrons.
Applied Physics
1 code implementation • 8 Dec 2020 • Junyu Gao, Tao Han, Qi Wang, Yuan Yuan, Xuelong Li
Furthermore, to improve the segmentation quality for different density regions, we present a differentiable Binarization Module (BM) to output structured instance maps.
no code implementations • Asian Chapter of the Association for Computational Linguistics 2020 • Zhifan Feng, Qi Wang, Wenbin Jiang, Yajuan Lyu, Yong Zhu
Named entity disambiguation is an important task that plays the role of bridge between text and knowledge.
no code implementations • 30 Nov 2020 • Chuang Yang, Mulin Chen, Zhitong Xiong, Yuan Yuan, Qi Wang
Extensive experiments demonstrate the proposed CM is efficient and robust to fit arbitrary-shaped text instances, and also validate the effectiveness of MPF and constraints loss for discriminative text features recognition.
1 code implementation • NeurIPS 2020 • Tao Han, Junyu Gao, Yuan Yuan, Qi Wang
In this paper, we combine both to propose an Unsupervised Semantic Aggregation and Deformable Template Matching (USADTM) framework for SSL, which strives to improve the classification performance with few labeled data and then reduce the cost in data annotating.
no code implementations • 8 Dec 2019 • Junyu. Gao, Yuan Yuan, Qi Wang
To reduce the gap, in this paper, we propose a domain-adaptation-style crowd counting method, which can effectively adapt the model from synthetic data to the specific real-world scenes.
1 code implementation • Computer Communications 2019 • Jianmin Liu, Qi Wang, ChenTao He, Katia Jaffrès-Runser, Yida Xu, Zhenyu Li, Yongjun Xu
It is difficult for existing routing protocols for Mobile Ad Hoc Networks (MANETs) and Vehicular Ad Hoc Networks (VANETs) to adapt the high dynamics of FANETs.