no code implementations • NeurIPS 2008 • Chunhua Shen, Alan Welsh, Lei Wang
In this work, we consider the problem of learning a positive semidefinite matrix.
no code implementations • NeurIPS 2009 • Chunhua Shen, Junae Kim, Lei Wang, Anton Hengel
In this work, we propose a boosting-based technique, termed BoostMetric, for learning a Mahalanobis distance metric.
no code implementations • 14 Feb 2011 • Yixiong Liang, Lei Wang, Yao Xiang, Beiji Zou
Inspired by biological vision systems, the over-complete local features with huge cardinality are increasingly used for face recognition during the last decades.
no code implementations • 14 Feb 2011 • Yixiong Liang, Lei Wang, Shenghui Liao, Beiji Zou
There is an increasing use of some imperceivable and redundant local features for face recognition.
no code implementations • CVPR 2013 • Luping Zhou, Lei Wang, Lingqiao Liu, Philip Ogunbona, Dinggang Shen
Analyzing brain networks from neuroimages is becoming a promising approach in identifying novel connectivitybased biomarkers for the Alzheimer's disease (AD).
no code implementations • CVPR 2013 • Lei Wang, Jianjia Zhang, Luping Zhou, Wanqing Li
Distributional word clustering merges the words having similar probability distributions to attain reliable parameter estimation, compact classification models and even better classification performance.
no code implementations • 30 Jan 2014 • Lingqiao Liu, Lei Wang, Chunhua Shen
In the third criterion, which shows the best merging performance, we propose a max-margin-based parameter estimation method and apply it with multinomial distribution.
no code implementations • CVPR 2014 • Luping Zhou, Lei Wang, Philip Ogunbona
In this paper, we propose a learning framework to effectively improve the discriminative power of SICEs by taking advantage of the samples in the opposite class.
1 code implementation • 8 Jul 2014 • Jianjia Zhang, Lei Wang, Luping Zhou, Wanqing Li
A comprehensive experimental study is conducted on a variety of image classification tasks to compare our proposed discriminative Stein kernel with the original Stein kernel and other commonly used methods for evaluating the similarity between SPD matrices.
no code implementations • 16 Oct 2014 • Peng Yang, HaiHua Xu, Xiong Xiao, Lei Xie, Cheung-Chi Leung, Hongjie Chen, JIA YU, Hang Lv, Lei Wang, Su Jun Leow, Bin Ma, Eng Siong Chng, Haizhou Li
For both symbolic and DTW search, partial sequence matching is performed to reduce missing rate, especially for query type 2 and 3.
Ranked #6 on Keyword Spotting on QUESST
no code implementations • NeurIPS 2014 • Lingqiao Liu, Chunhua Shen, Lei Wang, Anton Van Den Hengel, Chao Wang
By calculating the gradient vector of the proposed model, we derive a new fisher vector encoding strategy, termed Sparse Coding based Fisher Vector Coding (SCFVC).
no code implementations • 10 Apr 2015 • Zhimin Gao, Lei Wang, Luping Zhou, Jianjia Zhang
Efficient Human Epithelial-2 (HEp-2) cell image classification can facilitate the diagnosis of many autoimmune diseases.
1 code implementation • NeurIPS 2015 • Haoyuan Gao, Junhua Mao, Jie zhou, Zhiheng Huang, Lei Wang, Wei Xu
The quality of the generated answers of our mQA model on this dataset is evaluated by human judges through a Turing Test.
no code implementations • 26 May 2015 • Lei Wang, Baochang Zhang
This paper proposes boosting-like deep learning (BDL) framework for pedestrian detection.
no code implementations • 31 May 2015 • Yajun Cui, Yang Zhao, Kafei Xiao, Chenglong Zhang, Lei Wang
Spectral clustering and cloud computing is emerging branch of computer science or related discipline.
no code implementations • 23 Jun 2015 • Luping Zhou, Lei Wang, Lingqiao Liu, Philip Ogunbona, Dinggang Shen
This brings two general discriminative learning frameworks for Gaussian Bayesian networks (GBN).
no code implementations • MediaEval 2015 Workshop 2015 • Jingyong Hou, Van Tung Pham, Cheung-Chi Leung, Lei Wang, HaiHua Xu, Hang Lv, Lei Xie, Zhonghua Fu, Chongjia Ni, Xiong Xiao, Hongjie Chen, Shaofei Zhang, Sining Sun, Yougen Yuan, Pengcheng Li, Tin Lay Nwe, Sunil Sivadas, Bin Ma, Eng Siong Chng, Haizhou Li
This paper describes the system developed by the NNI team for the Query-by-Example Search on Speech Task (QUESST) in the MediaEval 2015 evaluation.
Ranked #9 on Keyword Spotting on QUESST
no code implementations • NeurIPS 2015 • Haoyuan Gao, Junhua Mao, Jie zhou, Zhiheng Huang, Lei Wang, Wei Xu
The quality of the generated answers of our mQA model on this dataset is evaluated by human judges through a Turing Test.
no code implementations • ICCV 2015 • Lei Wang, Jianjia Zhang, Luping Zhou, Chang Tang, Wanqing Li
It proposes an open framework to use the kernel matrix over feature dimensions as a generic representation and discusses its properties and advantages.
1 code implementation • 16 Jan 2016 • Lingqiao Liu, Peng Wang, Chunhua Shen, Lei Wang, Anton Van Den Hengel, Chao Wang, Heng Tao Shen
To handle this limitation, in this paper we break the convention which assumes that a local feature is drawn from one of few Gaussian distributions.
no code implementations • 2 Mar 2016 • Lei Wang, Yongun Zhang
It utilizes the scan line information in LiDAR data to segment the LiDAR data.
no code implementations • 1 Jun 2016 • Lei Wang
Unsupervised learning is a discipline of machine learning which aims at discovering patterns in big data sets or classifying the data into several categories without being trained explicitly.
no code implementations • 29 Sep 2016 • Wenbin Li, Yang Gao, Lei Wang, Luping Zhou, Jing Huo, Yinghuan Shi
To achieve a low computational cost when performing online metric learning for large-scale data, we present a one-pass closed-form solution namely OPML in this paper.
no code implementations • 10 Oct 2016 • Li Huang, Lei Wang
Despite their exceptional flexibility and popularity, the Monte Carlo methods often suffer from slow mixing times for challenging statistical physics problems.
no code implementations • 27 Oct 2016 • Jianjia Zhang, Lei Wang, Luping Zhou, Wanqing Li
A variety of methods have been proposed to boost its efficacy, with some recent ones resorting to nonlinear kernel technique.
no code implementations • 6 Dec 2016 • Li Huang, Yi-feng Yang, Lei Wang
Exploiting the quantum to classical mapping inherent in the continuous-time quantum Monte Carlo methods, we construct a classical molecular gas model to reproduce the quantum distributions.
1 code implementation • 17 Jan 2017 • Jing Chen, Song Cheng, Haidong Xie, Lei Wang, Tao Xiang
Conversely, we give sufficient and necessary conditions to determine whether a TNS can be transformed into an RBM of given architectures.
1 code implementation • 20 Feb 2017 • Chunjie Luo, Jianfeng Zhan, Lei Wang, Qiang Yang
We compare cosine normalization with batch, weight and layer normalization in fully-connected neural networks as well as convolutional networks on the data sets of MNIST, 20NEWS GROUP, CIFAR-10/100 and SVHN.
no code implementations • 28 Feb 2017 • Lei Wang
Boltzmann machines are physics informed generative models with wide applications in machine learning.
no code implementations • 7 Mar 2017 • Zhixian Ma, Weitian Li, Lei Wang, Haiguang Xu, Jie Zhu
An approach to recognize the point sources (PS) in the X-ray astronomical images using our newly designed granular binary-tree support vector machine (GBT-SVM) classifier is proposed.
5 code implementations • 6 Apr 2017 • Maciej Zieba, Lei Wang
Triplet networks are widely used models that are characterized by good performance in classification and retrieval tasks.
no code implementations • CVPR 2017 • Luping Zhou, Lei Wang, Jianjia Zhang, Yinghuan Shi, Yang Gao
The proposed method has been tested on multiple SPD-based visual representation data sets used in the literature, and the results demonstrate its interesting properties and attractive performance.
no code implementations • RANLP 2017 • Chenggang Mi, Yating Yang, Rui Dong, Xi Zhou, Lei Wang, Xiao Li, Tonghai Jiang
To alleviate data sparsity in spoken Uyghur machine translation, we proposed a log-linear based morphological segmentation approach.
1 code implementation • 6 Sep 2017 • Zhao-Yu Han, Jun Wang, Heng Fan, Lei Wang, Pan Zhang
Generative modeling, which learns joint probability distribution from data and generates samples according to it, is an important task in machine learning and artificial intelligence.
no code implementations • 23 Sep 2017 • Yuanfang Chen, Mohsen Guizani, Yan Zhang, Lei Wang, Noel Crespi, Gyu Myoung Lee
Traffic congestion is one of the most serious problems in a city, which can be predicted in advance by analyzing traffic flow patterns.
no code implementations • 25 Oct 2017 • Jiechao Cheng, Rui Ren, Lei Wang, Jianfeng Zhan
The increasing popularity of server usage has brought a plenty of anomaly log events, which have threatened a vast collection of machines.
no code implementations • 2 Nov 2017 • Karteek Popuri, Rakesh Balachandar, Kathryn Alpert, Donghuan Lu, Mahadev Bhalla, Ian Mackenzie, Robin Ging-Yuek Hsiung, Lei Wang, Mirza Faisal Beg, the Alzhemier's Disease Neuroimaging Initiative
Fluorodeoxyglucose positron emission tomography (FDG-PET) imaging based 3D topographic brain glucose metabolism patterns from normal controls (NC) and individuals with dementia of Alzheimer's type (DAT) are used to train a novel multi-scale ensemble classification model.
no code implementations • ECCV 2018 • Melih Engin, Lei Wang, Luping Zhou, Xinwang Liu
Being symmetric positive-definite (SPD), covariance matrix has traditionally been used to represent a set of local descriptors in visual recognition.
1 code implementation • 8 Dec 2017 • Jun Wang, Zhao-Yu Han, Song-Bo Wang, Zeyang Li, Liang-Zhu Mu, Heng Fan, Lei Wang
We propose a quantum tomography scheme for pure qudit systems which adopts random base measurements and generative learning methods, along with a built-in fidelity estimation approach to assess the reliability of the tomographic states.
Quantum Physics
no code implementations • 12 Dec 2017 • Song Cheng, Jing Chen, Lei Wang
We compare and contrast the statistical physics and quantum physics inspired approaches for unsupervised generative modeling of classical data.
no code implementations • 8 Jan 2018 • Yangyang Xu, Lei Wang
Our first subnet is a two-stream network which could explore both temporal and spatial information.
no code implementations • 12 Jan 2018 • Feng-Lin Li, Minghui Qiu, Haiqing Chen, Xiongwei Wang, Xing Gao, Jun Huang, Juwei Ren, Zhongzhou Zhao, Weipeng Zhao, Lei Wang, Guwei Jin, Wei Chu
We present AliMe Assist, an intelligent assistant designed for creating an innovative online shopping experience in E-commerce.
2 code implementations • 8 Feb 2018 • Shuo-Hui Li, Lei Wang
We present a variational renormalization group (RG) approach using a deep generative model based on normalizing flows.
1 code implementation • 13 Feb 2018 • Yunhui Long, Vincent Bindschaedler, Lei Wang, Diyue Bu, Xiao-Feng Wang, Haixu Tang, Carl A. Gunter, Kai Chen
Membership Inference Attack (MIA) determines the presence of a record in a machine learning model's training data by querying the model.
no code implementations • 23 Feb 2018 • Wanling Gao, Jianfeng Zhan, Lei Wang, Chunjie Luo, Daoyi Zheng, Xu Wen, Rui Ren, Chen Zheng, Xiwen He, Hainan Ye, Haoning Tang, Zheng Cao, Shujie Zhang, Jiahui Dai
On the basis of our previous work that identifies eight data motifs taking up most of the run time of a wide variety of big data and AI workloads, we propose a scalable benchmarking methodology that uses the combination of one or more data motifs---to represent diversity of big data and AI workloads.
4 code implementations • 11 Apr 2018 • Jin-Guo Liu, Lei Wang
However, similar to the leading implicit generative models in deep learning, such as the generative adversarial networks, the quantum circuits cannot provide the likelihood of the generated samples, which poses a challenge to the training.
no code implementations • 11 Apr 2018 • Lei Qi, Jing Huo, Lei Wang, Yinghuan Shi, Yang Gao
Lastly, considering person retrieval is a special image retrieval task, we propose a novel ranking loss to optimize the whole network.
no code implementations • 22 Apr 2018 • Fusheng Hao, Jun Cheng, Lei Wang, Xinchao Wang, Jianzhong Cao, Xiping Hu, Dapeng Tao
Discriminative features are obtained by constraining the deep CNNs to map training samples to the corresponding anchors as close as possible.
1 code implementation • 27 Apr 2018 • Jinquan Sun, Yinghuan Shi, Yang Gao, Lei Wang, Luping Zhou, Wanqi Yang, Dinggang Shen
In this paper, we present a novel method for interactive medical image segmentation with the following merits.
1 code implementation • 15 May 2018 • Wenbin Li, Yanfang Liu, Jing Huo, Yinghuan Shi, Yang Gao, Lei Wang, Jiebo Luo
Furthermore, in a progressively and nonlinearly learning way, MLOML has a stronger learning ability than traditional online metric learning in the case of limited available training data.
no code implementations • 14 Jul 2018 • Lei Wang, Xiaodong Wang
The segment tree is an extremely versatile data structure.
Data Structures and Algorithms
no code implementations • 25 Jul 2018 • Qi Chen, Lei Wang, Yifan Wu, Guangming Wu, Zhiling Guo, Steven L. Waslander
In this paper, we present a new large-scale benchmark dataset termed Aerial Imagery for Roof Segmentation (AIRS).
no code implementations • COLING 2018 • Chenggang Mi, Yating Yang, Lei Wang, Xi Zhou, Tonghai Jiang
Neural machine translation models integrating results of loanword identification experiments achieve the best results on OOV translation(with 0. 5-0. 9 BLEU improvements)
no code implementations • 10 Aug 2018 • Jinfeng Zeng, Yufeng Wu, Jin-Guo Liu, Lei Wang, Jiangping Hu
Quantum mechanics is inherently probabilistic in light of Born's rule.
no code implementations • 10 Aug 2018 • Ayagoz Mussabayeva, Alexey Kroshnin, Anvar Kurmukov, Yulia Dodonova, Li Shen, Shan Cong, Lei Wang, Boris A. Gutman
We present a method for metric optimization in the Large Deformation Diffeomorphic Metric Mapping (LDDMM) framework, by treating the induced Riemannian metric on the space of diffeomorphisms as a kernel in a machine learning context.
no code implementations • 22 Aug 2018 • Dongxiang Zhang, Lei Wang, Luming Zhang, Bing Tian Dai, Heng Tao Shen
Solving mathematical word problems (MWPs) automatically is challenging, primarily due to the semantic gap between human-readable words and machine-understandable logics.
1 code implementation • 26 Sep 2018 • Linfeng Zhang, Weinan E, Lei Wang
We present a deep generative model, named Monge-Amp\`ere flow, which builds on continuous-time gradient flow arising from the Monge-Amp\`ere equation in optimal transport theory.
2 code implementations • 27 Sep 2018 • Dian Wu, Lei Wang, Pan Zhang
We propose a general framework for solving statistical mechanics of systems with finite size.
no code implementations • EMNLP 2018 • Lei Wang, Yan Wang, Deng Cai, Dongxiang Zhang, Xiaojiang Liu
Moreover, we analyze the performance of three popular SEQ2SEQ models on the math word problem solving.
no code implementations • 30 Oct 2018 • Han Liu, Lei Wang, Yandong Nan, Faguang Jin, Qi. Wang, Jiantao Pu
Two CNN-based classification models were then used as feature extractors to obtain the discriminative features of the entire CXR images and the cropped lung region images.
no code implementations • 31 Oct 2018 • Yi Zhen, Lei Wang, Han Liu, Jian Zhang, Jiantao Pu
Among these CNNs, the DenseNet had the highest classification accuracy (i. e., 75. 50%) based on pre-trained weights when using global ROIs, as compared to 65. 50% when using local ROIs.
1 code implementation • 14 Nov 2018 • Lei Wang, Yan Wang, Deng Cai, Dongxiang Zhang, Xiaojiang Liu
Moreover, we analyze the performance of three popular SEQ2SEQ models on the math word problem solving.
1 code implementation • 29 Nov 2018 • Lei Wang, Svetlana Tlupova, Robert Krasny
Evaluating the velocity induced by a collection of Stokeslets and stresslets by direct summation requires $O(N^2)$ operations, where $N$ is the system size.
Numerical Analysis
no code implementations • 13 Dec 2018 • Jun Gu, Guangluan Xu, Yue Zhang, Xian Sun, Ran Wen, Lei Wang
In this letter, we propose a novel single-image super-resolution (SISR) algorithm named Wider Channel Attention Network (WCAN) for remote sensing images.
1 code implementation • 24 Dec 2018 • Tailin Liang, Lei Wang, Shaobo Shi, John Glossner
Of the networks considered, those using ReLU (AlexNet, SqueezeNet, VGG16) contain a high percentage of 0-valued parameters and can be statically pruned.
no code implementations • 8 Jan 2019 • Song Cheng, Lei Wang, Tao Xiang, Pan Zhang
Matrix product states (MPS), a tensor network designed for one-dimensional quantum systems, has been recently proposed for generative modeling of natural data (such as images) in terms of `Born machine'.
1 code implementation • 6 Feb 2019 • Lei Wang, Robert Krasny, Svetlana Tlupova
A kernel-independent treecode (KITC) is presented for fast summation of pairwise particle interactions.
Numerical Analysis
6 code implementations • 7 Feb 2019 • Jin-Guo Liu, Yi-Hong Zhang, Yuan Wan, Lei Wang
One can obtain a matrix product state (MPS) representation of the ground state using a number of qubits smaller than the physical degrees of freedom.
Quantum Physics Strongly Correlated Electrons
no code implementations • 6 Mar 2019 • Chao Li, Cheng Deng, Lei Wang, De Xie, Xianglong Liu
In recent years, hashing has attracted more and more attention owing to its superior capacity of low storage cost and high query efficiency in large-scale cross-modal retrieval.
1 code implementation • 22 Mar 2019 • Hai-Jun Liao, Jin-Guo Liu, Lei Wang, Tao Xiang
Differentiable programming is a fresh programming paradigm which composes parameterized algorithmic components and trains them using automatic differentiation (AD).
Strongly Correlated Electrons Quantum Physics
1 code implementation • CVPR 2019 • Wenbin Li, Lei Wang, Jinglin Xu, Jing Huo, Yang Gao, Jiebo Luo
Its key difference from the literature is the replacement of the image-level feature based measure in the final layer by a local descriptor based image-to-class measure.
no code implementations • ICCV 2019 • Lei Qi, Lei Wang, Jing Huo, Luping Zhou, Yinghuan Shi, Yang Gao
For the first issue, we highlight the presence of camera-level sub-domains as a unique characteristic of person Re-ID, and develop camera-aware domain adaptation to reduce the discrepancy not only between source and target domains but also across these sub-domains.
Ranked #19 on Unsupervised Domain Adaptation on Market to Duke
1 code implementation • Bioinformatics 2019 • Ling Luo, Zhihao Yang, Pei Yang, Yin Zhang, Lei Wang, Hongfei Lin, Jian Wang
Motivation: In biomedical research, chemical is an important class of entities, and chemical named entity recognition (NER) is an important task in the field of biomedical information extraction.
Ranked #2 on Named Entity Recognition (NER) on BC4CHEMD
no code implementations • ICLR 2019 • Linfeng Zhang, Weinan E, Lei Wang
We present a deep generative model, named Monge-Amp\`ere flow, which builds on continuous-time gradient flow arising from the Monge-Amp\`ere equation in optimal transport theory.
no code implementations • 1 Jun 2019 • Fanda Fan, Yunyou Huang, Lei Wang, Xingwang Xiong, Zihan Jiang, Zhifei Zhang, Jianfeng Zhan
Medical image fusion is a promising approach to providing overall information from medical images of different modalities.
no code implementations • CVPR 2019 • Lei Wang, Yuchun Huang, Yaolin Hou, Shenman Zhang, Jie Shan
It neglects the structure of an object, results in poor object delineation and small spurious regions in the segmentation result.
Ranked #9 on Semantic Segmentation on Semantic3D
no code implementations • ICCV 2019 • Lei Wang, Piotr Koniusz, Du. Q. Huynh
Thus, we propose an end-to-end trainable network with streams which learn the IDT-based BoW/FV representations at the training stage and are simple to integrate with the I3D model.
Ranked #3 on Scene Recognition on YUP++ (using extra training data)
1 code implementation • 24 Jun 2019 • Lei Wang, Du. Q. Huynh, Piotr Koniusz
Video-based human action recognition is currently one of the most active research areas in computer vision.
Ranked #85 on Skeleton Based Action Recognition on NTU RGB+D
1 code implementation • 27 Jun 2019 • Lei Wang, Du. Q. Huynh, Moussa Reda Mansour
We define our classification problem as classifying background and foreground motions using the same feature representation for outdoor scenes.
1 code implementation • ACL 2019 • Jierui Li, Lei Wang, Jipeng Zhang, Yan Wang, Bing Tian Dai, Dongxiang Zhang
Several deep learning models have been proposed for solving math word problems (MWPs) automatically.
Ranked #13 on Math Word Problem Solving on Math23K
no code implementations • 3 Jul 2019 • Shaoze You, Hua Zhu, Menggang Li, Lei Wang, Chaoquan Tang
The experimental results show that the novel tracker performance in low-illumination environment is better than that of general trackers.
1 code implementation • AAAI 2019 • Lei Wang, Dongxiang Zhang, Jipeng Zhang, Xing Xu, Lianli Gao, Bing Tian Dai, Heng Tao Shen
Then, we design a recursive neural network to encode the quantity with Bi-LSTM and self attention, and infer the unknown operator nodes in a bottom-up manner.
no code implementations • 23 Jul 2019 • Xiurui Geng, Lei Wang
Principal skewness analysis (PSA) has been introduced for feature extraction in hyperspectral imagery.
no code implementations • 27 Jul 2019 • Zihan Jiang, Wanling Gao, Lei Wang, Xingwang Xiong, Yuchen Zhang, Xu Wen, Chunjie Luo, Hainan Ye, Yunquan Zhang, Shengzhong Feng, Kenli Li, Weijia Xu, Jianfeng Zhan
In this paper, we propose HPC AI500 --- a benchmark suite for evaluating HPC systems that running scientific DL workloads.
no code implementations • 2 Aug 2019 • Lei Qi, Lei Wang, Jing Huo, Yinghuan Shi, Xin Geng, Yang Gao
To achieve the camera alignment, we develop a Multi-Camera Adversarial Learning (MCAL) to map images of different cameras into a shared subspace.
no code implementations • 6 Aug 2019 • Tianshu Hao, Yunyou Huang, Xu Wen, Wanling Gao, Fan Zhang, Chen Zheng, Lei Wang, Hainan Ye, Kai Hwang, Zujie Ren, Jianfeng Zhan
In edge computing scenarios, the distribution of data and collaboration of workloads on different layers are serious concerns for performance, privacy, and security issues.
Performance Distributed, Parallel, and Cluster Computing
no code implementations • 8 Aug 2019 • Lei Wang, Tianyao Huang, Yimin Liu
Randomized Stepped Frequency Radar (RSFR) is very attractive for tasks under complex electromagnetic environment.
no code implementations • 13 Aug 2019 • Wanling Gao, Fei Tang, Lei Wang, Jianfeng Zhan, Chunxin Lan, Chunjie Luo, Yunyou Huang, Chen Zheng, Jiahui Dai, Zheng Cao, Daoyi Zheng, Haoning Tang, Kunlin Zhan, Biao Wang, Defei Kong, Tong Wu, Minghe Yu, Chongkang Tan, Huan Li, Xinhui Tian, Yatao Li, Junchao Shao, Zhenyu Wang, Xiaoyu Wang, Hainan Ye
On the basis of the AIBench framework, abstracting the real-world data sets and workloads from one of the top e-commerce providers, we design and implement the first end-to-end Internet service AI benchmark, which contains the primary modules in the critical paths of an industry scale application and is scalable to deploy on different cluster scales.
no code implementations • 14 Aug 2019 • Lei Qi, Lei Wang, Jing Huo, Yinghuan Shi, Yang Gao
Moreover, in the training process, we adopt the joint learning scheme to simultaneously train each branch by the independent loss function, which can enhance the generalization ability of each branch.
no code implementations • 15 Aug 2019 • Lei Qi, Lei Wang, Jing Huo, Yinghuan Shi, Yang Gao
In this paper, we focus on the semi-supervised person re-identification (Re-ID) case, which only has the intra-camera (within-camera) labels but not inter-camera (cross-camera) labels.
no code implementations • 21 Aug 2019 • Zhao Zhang, Lei Wang, Sheng Li, Yang Wang, Zheng Zhang, Zheng-Jun Zha, Meng Wang
Specifically, AS-LRC performs the latent decomposition of given data into a low-rank reconstruction by a block-diagonal codes matrix, a group sparse locality-adaptive salient feature part and a sparse error part.
no code implementations • 26 Sep 2019 • Qingbo Wu, Lei Wang, King N. Ngan, Hongliang Li, Fanman Meng, Linfeng Xu
Then, a subjective study is conducted on our DQA database, which collects the subject-rated scores of all de-rained images.
1 code implementation • 27 Sep 2019 • Yuqing Ma, Xianglong Liu, Shihao Bai, Lei Wang, Aishan Liu, DaCheng Tao, Edwin Hancock
To address these problems, we propose a generic inpainting framework capable of handling with incomplete images on both continuous and discontinuous large missing areas, in an adversarial manner.
1 code implementation • 30 Sep 2019 • Shuo-Hui Li, Chen-Xiao Dong, Linfeng Zhang, Lei Wang
We construct flexible and powerful canonical transformations as generative models using symplectic neural networks.
3 code implementations • IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) 2019 • Chuang Geng, Lei Wang
Previous speech enhancement methods focus on estimating the short-time spectrum of speech signals due to its short-term stability.
Ranked #23 on Speech Enhancement on VoiceBank + DEMAND
Sound Audio and Speech Processing
1 code implementation • 16 Nov 2019 • Wenbin Li, Lei Wang, Xingxing Zhang, Lei Qi, Jing Huo, Yang Gao, Jiebo Luo
(2) how to narrow the distribution gap between clean and adversarial examples under the few-shot setting?
no code implementations • 20 Nov 2019 • Saimunur Rahman, Lei Wang, Changming Sun, Luping Zhou
This paper provides a comprehensive review of the existing deep learning based HEp-2 cell image classification methods.
1 code implementation • 21 Nov 2019 • Cong Sun, Zhihao Yang, Leilei Su, Lei Wang, Yin Zhang, Hongfei Lin, Jian Wang
Furthermore, the Gaussian probability distribution can effectively improve the extraction performance of sentences with overlapping relations in biomedical relation extraction tasks.
no code implementations • 23 Nov 2019 • Pinzhuo Tian, Zhangkai Wu, Lei Qi, Lei Wang, Yinghuan Shi, Yang Gao
To address the annotation scarcity issue in some cases of semantic segmentation, there have been a few attempts to develop the segmentation model in the few-shot learning paradigm.
no code implementations • 2 Dec 2019 • Jianfeng Zhan, Lei Wang, Wanling Gao, Rui Ren
This paper outlines BenchCouncil's view on the challenges, rules, and vision of benchmarking modern workloads like Big Data, AI or machine learning, and Internet Services.
1 code implementation • 17 Dec 2019 • Xin Feng, Lei Wang
At the same time, in order to solve the problem of overfitting in the 61 phoneme recognition model on TIMIT dataset, we propose a new training method.
no code implementations • 20 Dec 2019 • Xi Liu, Rui Zhang, Yongsheng Zhou, Qianyi Jiang, Qi Song, Nan Li, Kai Zhou, Lei Wang, Dong Wang, Minghui Liao, Mingkun Yang, Xiang Bai, Baoguang Shi, Dimosthenis Karatzas, Shijian Lu, C. V. Jawahar
21 teams submit results for Task 1, 23 teams submit results for Task 2, 24 teams submit results for Task 3, and 13 teams submit results for Task 4.
1 code implementation • 23 Dec 2019 • Xiu-Zhe Luo, Jin-Guo Liu, Pan Zhang, Lei Wang
We introduce Yao, an extensible, efficient open-source framework for quantum algorithm design.
Quantum Physics Strongly Correlated Electrons Computational Physics
1 code implementation • 24 Dec 2019 • Jin-Guo Liu, Liang Mao, Pan Zhang, Lei Wang
We extend the ability of unitary quantum circuits by interfacing it with classical autoregressive neural networks.
Quantum Physics
no code implementations • 14 Jan 2020 • Lei Wang, Piotr Koniusz
In this paper, we build on a concept of self-supervision by taking RGB frames as input to learn to predict both action concepts and auxiliary descriptors e. g., object descriptors.
Ranked #1 on Scene Recognition on YUP++ (using extra training data)
2 code implementations • MIDL 2019 • Jun Ma, Zhan Wei, Yiwen Zhang, Yixin Wang, Rongfei Lv, Cheng Zhu, Gaoxiang Chen, Jianan Liu, Chao Peng, Lei Wang, Yunpeng Wang, Jianan Chen
The \emph{second contribution} is that we systematically evaluated five benchmark methods on two representative public datasets.
no code implementations • 1 Feb 2020 • Wenbin Li, Lei Wang, Jing Huo, Yinghuan Shi, Yang Gao, Jiebo Luo
Given the natural asymmetric relation between a query image and a support class, we argue that an asymmetric measure is more suitable for metric-based few-shot learning.
no code implementations • 17 Feb 2020 • Wanling Gao, Fei Tang, Jianfeng Zhan, Chuanxin Lan, Chunjie Luo, Lei Wang, Jiahui Dai, Zheng Cao, Xiongwang Xiong, Zihan Jiang, Tianshu Hao, Fanda Fan, Xu Wen, Fan Zhang, Yunyou Huang, Jianan Chen, Mengjia Du, Rui Ren, Chen Zheng, Daoyi Zheng, Haoning Tang, Kunlin Zhan, Biao Wang, Defei Kong, Minghe Yu, Chongkang Tan, Huan Li, Xinhui Tian, Yatao Li, Gang Lu, Junchao Shao, Zhenyu Wang, Xiaoyu Wang, Hainan Ye
An end-to-end benchmark is a distillation of the essential attributes of an industry-scale application.
no code implementations • 6 Mar 2020 • Olatunji Mumini Omisore, Wenjing Du, Tao Zhou, Shipeng Han, Kamen Ivanov, Yousef Al-Handarish, Lei Wang
Despite having the robotic catheter systems which have recently emerged as safe way of performing cardiovascular interventions, a number of important challenges are yet to be investigated.
no code implementations • 11 Mar 2020 • Longfei Zheng, Chaochao Chen, Yingting Liu, Bingzhe Wu, Xibin Wu, Li Wang, Lei Wang, Jun Zhou, Shuang Yang
Deep Neural Network (DNN) has been showing great potential in kinds of real-world applications such as fraud detection and distress prediction.
no code implementations • 12 Mar 2020 • Chunjie Luo, Jianfeng Zhan, Lei Wang, Wanling Gao
To alleviate the problem caused by small batch size, extended batch normalization computes the standard deviation along the (N, C, H, W) dimensions, thus enlarges the number of samples from which the standard deviation is computed.
Ranked #62 on Image Classification on STL-10
no code implementations • 15 Mar 2020 • Lei Wang, Wenbin Huang, Yuanpeng Li, Julian Evans, Sailing He
We model and predict human competition behavior by combining many Markov Models with different fixed memory lengths (abbreviated as "multi-AI"), and develop an architecture of multi-AI with changeable parameters to adapt to different competition strategies.
no code implementations • CVPR 2021 • Xiong Zhang, Hongmin Xu, Hong Mo, Jianchao Tan, Cheng Yang, Lei Wang, Wenqi Ren
Neural Architecture Search (NAS) has shown great potentials in automatically designing scalable network architectures for dense image predictions.
Ranked #13 on Semantic Segmentation on Cityscapes test (using extra training data)
no code implementations • 6 Apr 2020 • Shasha Guo, Lianhua Qu, Lei Wang, Shuo Tian, Shiming Li, Weixia Xu
To mitigate the difficulty in effectively dealing with huge input spaces of LSM, and to find that whether input reduction can enhance LSM performance, we explore several input patterns, namely fullscale, scanline, chessboard, and patch.
no code implementations • 7 Apr 2020 • Shuo Tian, Lianhua Qu, Kai Hu, Nan Li, Lei Wang, Weixia Xu
By exploring the design space in network architectures and parameters, recent works have demonstrated great potential for improving the accuracy of LSM model with low complexity.
no code implementations • 8 Apr 2020 • Shasha Guo, Ziyang Kang, Lei Wang, Limeng Zhang, Xiaofan Chen, Shiming Li, Weixia Xu
Neuromorphic event-based dynamic vision sensors (DVS) have much faster sampling rates and a higher dynamic range than frame-based imagers.
Emerging Technologies Signal Processing
no code implementations • 10 Apr 2020 • Chaochao Chen, Liang Li, Wenjing Fang, Jun Zhou, Li Wang, Lei Wang, Shuang Yang, Alex Liu, Hao Wang
Nowadays, the utilization of the ever expanding amount of data has made a huge impact on web technologies while also causing various types of security concerns.
no code implementations • 20 Apr 2020 • Wanqi Yang, Tong Ling, Chengmei Yang, Lei Wang, Yinghuan Shi, Luping Zhou, Ming Yang
To address this issue, we propose a novel approach called Conditional ADversarial Image Translation (CADIT) to explicitly align the class distributions given samples between the two domains.
2 code implementations • 27 Apr 2020 • Wei Tang, Hong-Hao Tu, Lei Wang
We present an algorithm for studying quantum systems at finite temperature using continuous matrix product operator representation.
Strongly Correlated Electrons Statistical Mechanics Computational Physics
no code implementations • 30 Apr 2020 • Fei Tang, Wanling Gao, Jianfeng Zhan, Chuanxin Lan, Xu Wen, Lei Wang, Chunjie Luo, Jiahui Dai, Zheng Cao, Xingwang Xiong, Zihan Jiang, Tianshu Hao, Fanda Fan, Fan Zhang, Yunyou Huang, Jianan Chen, Mengjia Du, Rui Ren, Chen Zheng, Daoyi Zheng, Haoning Tang, Kunlin Zhan, Biao Wang, Defei Kong, Minghe Yu, Chongkang Tan, Huan Li, Xinhui Tian, Yatao Li, Junchao Shao, Zhenyu Wang, Xiaoyu Wang, Hainan Ye
We use real-world benchmarks to cover the factors space that impacts the learning dynamics to the most considerable extent.
no code implementations • 6 May 2020 • Wanling Gao, Fei Tang, Jianfeng Zhan, Xu Wen, Lei Wang, Zheng Cao, Chuanxin Lan, Chunjie Luo, Xiaoli Liu, Zihan Jiang
We formalize a real-world application scenario as a Directed Acyclic Graph-based model and propose the rules to distill it into a permutation of essential AI and non-AI tasks, which we call a scenario benchmark.
no code implementations • 7 May 2020 • Chunjie Luo, Xiwen He, Jianfeng Zhan, Lei Wang, Wanling Gao, Jiahui Dai
Due to increasing amounts of data and compute resources, deep learning achieves many successes in various domains.
no code implementations • 14 May 2020 • Chunjie Luo, Jianfeng Zhan, Lei Wang, Wanling Gao
To build light-weight network, we propose a new normalization, Fine-grained Batch Normalization (FBN).
no code implementations • 18 May 2020 • Wenjing Fang, Derun Zhao, Jin Tan, Chaochao Chen, Chaofan Yu, Li Wang, Lei Wang, Jun Zhou, Benyu Zhang
Privacy-preserving machine learning has drawn increasingly attention recently, especially with kinds of privacy regulations come into force.
no code implementations • 2 Jun 2020 • Shasha Guo, Lei Wang, Xiaofan Chen, Limeng Zhang, Ziyang Kang, Weixia Xu
We not only give the visual denoising effect of the filter but also use two metrics for quantitatively analyzing the filter's performance.
no code implementations • 29 Jun 2020 • Zhenyu Liu, Yaqiang Yao, Yan Liu, Yuening Zhu, Zhenchao Tao, Lei Wang, Yuhong Feng
In the proposed method, an activity is divided into several successive actions represented by spatio temporal patterns, and the evolution of these actions are captured by a sequential model.
1 code implementation • ACL 2020 • Jipeng Zhang, Lei Wang, Roy Ka-Wei Lee, Yi Bin, Yan Wang, Jie Shao, Ee-Peng Lim
While the recent tree-based neural models have demonstrated promising results in generating solution expression for the math word problem (MWP), most of these models do not capture the relationships and order information among the quantities well.
Ranked #10 on Math Word Problem Solving on Math23K
1 code implementation • 31 Jul 2020 • Xu Sun, Huihui Fang, Yehui Yang, Dongwei Zhu, Lei Wang, Junwei Liu, Yanwu Xu
In this paper, we propose two new data augmentation modules, namely, channel-wise random Gamma correction and channel-wise random vessel augmentation.
no code implementations • 31 Jul 2020 • Dalu Yang, Yehui Yang, Tiantian Huang, Binghong Wu, Lei Wang, Yanwu Xu
How can we train a classification model on labeled fundus images ac-quired from only one camera brand, yet still achieves good performance on im-ages taken by other brands of cameras?
1 code implementation • 3 Aug 2020 • Yehui Yang, Fangxin Shang, Binghong Wu, Dalu Yang, Lei Wang, Yanwu Xu, Wensheng Zhang, Tianzhu Zhang
As a result, it exploits more discriminative features for DR grading.
no code implementations • 9 Aug 2020 • Lei Wang, Jing Ren, Bo Xu, Jian-Xin Li, Wei Luo, Feng Xia
Link prediction plays an important role in network analysis and applications.
1 code implementation • 16 Aug 2020 • Jin-Guo Liu, Lei Wang, Pan Zhang
We present a unified exact tensor network approach to compute the ground state energy, identify the optimal configuration, and count the number of solutions for spin glasses.
Statistical Mechanics Quantum Physics Computation
no code implementations • 17 Aug 2020 • Jiaying Liu, Feng Xia, Lei Wang, Bo Xu, Xiangjie Kong, Hanghang Tong, Irwin King
The advisor-advisee relationship represents direct knowledge heritage, and such relationship may not be readily available from academic libraries and search engines.
no code implementations • 20 Aug 2020 • Chaochao Chen, Jun Zhou, Li Wang, Xibin Wu, Wenjing Fang, Jin Tan, Lei Wang, Alex X. Liu, Hao Wang, Cheng Hong
In this paper, we first present CAESAR, which combines HE and SS to build secure large-scale sparse logistic regression model and achieves both efficiency and security.
1 code implementation • 3 Sep 2020 • Cong Sun, Zhihao Yang, Lei Wang, Yin Zhang, Hongfei Lin, Jian Wang
Using the sequence labeling framework to implement biomedical named entity recognition (BioNER) is currently a conventional method.
no code implementations • 12 Sep 2020 • Song Cheng, Lei Wang, Pan Zhang
Tensor networks, a model that originated from quantum physics, has been gradually generalized as efficient models in machine learning in recent years.
no code implementations • 13 Oct 2020 • Junming Ma, Chaofan Yu, Aihui Zhou, Bingzhe Wu, Xibin Wu, Xingyu Chen, Xiangqun Chen, Lei Wang, Donggang Cao
We present S3ML, a secure serving system for machine learning inference in this paper.
no code implementations • 16 Oct 2020 • Yuang Shi, Chen Zu, Mei Hong, Luping Zhou, Lei Wang, Xi Wu, Jiliu Zhou, Daoqiang Zhang, Yan Wang
With the increasing amounts of high-dimensional heterogeneous data to be processed, multi-modality feature selection has become an important research direction in medical image analysis.
no code implementations • 15 Nov 2020 • Bo wang, Lei Wang, Junyang Chen, Zhenghua Xu, Thomas Lukasiewicz, Zhigang Fu
Non-local attention and feature learning by multi-scale methods are widely used to model network, which drives progress in medical image segmentation.
no code implementations • 27 Nov 2020 • Xiangchen Lu, Liang Chen, Nan Shen, Lei Wang, Zhenhang Jiao, Ruizhi Chen
With the rapid development of China's BeiDou Navigation Satellite System(BDS), the application of real-time precise point positioning (RTPPP) based on BDS has become an active research area in the field of Global Navigation Satellite System (GNSS).
1 code implementation • 28 Nov 2020 • Xiwu Zhang, Lei Wang, Yan Su
Visual place recognition has attracted widespread research interest in multiple fields such as computer vision and robotics.
no code implementations • 29 Nov 2020 • Lei Wang, Yuchun Huang, Pengjie Tao, Yaolin Hou, Yuxuan Liu
We study the problem of generating point clouds of 3D objects.
no code implementations • 17 Dec 2020 • Cai Heng Li, Lei Wang, Binzhou Xia
This paper addresses the factorization problem of almost simple groups, studies regular subgroups of quasiprimitive permutation groups, and characterizes $s$-arc transitive Cayley graphs of finite simple groups.
Group Theory
1 code implementation • 28 Dec 2020 • Piotr Koniusz, Lei Wang, Anoop Cherian
In this paper, we propose novel tensor representations for compactly capturing such higher-order relationships between visual features for the task of action recognition.
Ranked #2 on Skeleton Based Action Recognition on UT-Kinect
Action Recognition In Videos Skeleton Based Action Recognition
no code implementations • 1 Jan 2021 • Pei Yingjun, Hou Xinwen, Li Jian, Lei Wang
We also show that our method achieves better performance than VIB and mutual information neural estimation (MINE), two other popular approaches to optimize the information bottleneck framework in supervised learning.
1 code implementation • ICCV 2021 • Zheng Gu, Wenbin Li, Jing Huo, Lei Wang, Yang Gao
Given only a few available images for a novel unseen category, few-shot image generation aims to generate more data for this category.
no code implementations • 1 Jan 2021 • Lei Wang, Runtian Zhai, Di He, LiWei Wang, Li Jian
For certification, we carefully allocate specific robust regions for each test sample.
no code implementations • ICCV 2021 • Cheng Yan, Guansong Pang, Lei Wang, Jile Jiao, Xuetao Feng, Chunhua Shen, Jingjing Li
In this work we introduce a new ReID task, bird-view person ReID, which aims at searching for a person in a gallery of horizontal-view images with the query images taken from a bird's-eye view, i. e., an elevated view of an object from above.
no code implementations • 24 Jan 2021 • Tailin Liang, John Glossner, Lei Wang, Shaobo Shi, Xiaotong Zhang
We discuss trade-offs in element-wise, channel-wise, shape-wise, filter-wise, layer-wise and even network-wise pruning.
no code implementations • 29 Jan 2021 • Lei Wang, Tai Min, Ke Xia
Based on the exact muffin-tin orbitals (EMTOs), we developed a first-principles method to calculate the current operators and investigated the anomalous Hall effect in bcc Fe as an example, with which we successfully separated the skew scattering contribution from the side jump and intrinsic contributions by fitting the scaling law with the introduction of sparse impurities.
Materials Science Mesoscale and Nanoscale Physics
no code implementations • 1 Feb 2021 • Xiaoyong Bo, Xiaoyu Chen, Huashun Li, Yunchang Dong, Zhaoyang Qu, Lei Wang, Yang Li
Considering the constraints of the temporal conversion of information flow and energy flow, a microgrid CPS coupling model is established, the effectiveness of which is verified by simulating false data injection attack (FDIA) scenarios.
no code implementations • 25 Feb 2021 • Zihan Jiang, Wanling Gao, Fei Tang, Xingwang Xiong, Lei Wang, Chuanxin Lan, Chunjie Luo, Hongxiao Li, Jianfeng Zhan
Recent years witness a trend of applying large-scale distributed deep learning algorithms (HPC AI) in both business and scientific computing areas, whose goal is to speed up the training time to achieve a state-of-the-art quality.
Image Classification Performance
no code implementations • 27 Feb 2021 • Lei Wang, Pengcheng Xu, Zhaoyang Qu, Xiaoyong Bo, Yunchang Dong, Zhenming Zhang, Yang Li
Existing coordinated cyber-attack detection methods have low detection accuracy and efficiency and poor generalization ability due to difficulties dealing with unbalanced attack data samples, high data dimensionality, and noisy data sets.
no code implementations • 7 Mar 2021 • Ke Sun, Lei Wang, Bo Xu, Wenhong Zhao, Shyh Wei Teng, Feng Xia
Network representation learning (NRL) is an effective graph analytics technique and promotes users to deeply understand the hidden characteristics of graph data.
1 code implementation • 9 Mar 2021 • Chaohao Xie, Dongwei Ren, Lei Wang, WangMeng Zuo
For learning pseudo mask generator from the auxiliary dataset, we present a bi-level optimization formulation.
no code implementations • 14 Mar 2021 • Zhiqiang Hu, Roy Ka-Wei Lee, Lei Wang, Ee-Peng Lim, Bo Dai
Authorship attribution (AA), which is the task of finding the owner of a given text, is an important and widely studied research topic with many applications.
1 code implementation • 24 Mar 2021 • Chunjie Luo, Jianfeng Zhan, Tianshu Hao, Lei Wang, Wanling Gao
The attention branch is gated using the Sigmoid function and multiplied by the feature map's trunk branch.
no code implementations • CVPR 2021 • Peng Wang, Kai Han, Xiu-Shen Wei, Lei Zhang, Lei Wang
Learning discriminative image representations plays a vital role in long-tailed image classification because it can ease the classifier learning in imbalanced cases.
Ranked #10 on Long-tail Learning on CIFAR-10-LT (ρ=10)
1 code implementation • 4 May 2021 • Zhenyue Qin, Yang Liu, Pan Ji, Dongwoo Kim, Lei Wang, Bob McKay, Saeed Anwar, Tom Gedeon
Recent skeleton-based action recognition methods extract features from 3D joint coordinates as spatial-temporal cues, using these representations in a graph neural network for feature fusion to boost recognition performance.
Ranked #20 on Skeleton Based Action Recognition on NTU RGB+D 120
1 code implementation • 18 May 2021 • Hao Xie, Linfeng Zhang, Lei Wang
The variational density matrix is parametrized by a permutation equivariant many-body unitary transformation together with a discrete probabilistic model.
1 code implementation • 19 May 2021 • Minghuan Tan, Lei Wang, Lingxiao Jiang, Jing Jiang
In this paper, we revisit math word problems~(MWPs) from the cross-lingual and multilingual perspective.
no code implementations • 29 May 2021 • Fan Hu, Lei Wang, Yishen Hu, Dongqi Wang, Weijie Wang, Jianbing Jiang, Nan Li, Peng Yin
The identification of protein-ligand interaction plays a key role in biochemical research and drug discovery.
no code implementations • 30 May 2021 • Xiongshi Deng, Min Li, Lei Wang, Qikang Wan
Feature selection is a preprocessing step which plays a crucial role in the domain of machine learning and data mining.
4 code implementations • 30 May 2021 • Yingying Deng, Fan Tang, WeiMing Dong, Chongyang Ma, Xingjia Pan, Lei Wang, Changsheng Xu
The goal of image style transfer is to render an image with artistic features guided by a style reference while maintaining the original content.
no code implementations • 30 May 2021 • Xiongshi Deng, Min Li, Shaobo Deng, Lei Wang
In the second stage, XGBoost-MOGA searches for an optimal gene subset based on the most relevant genes's group using a multi-objective optimization genetic algorithm.
no code implementations • 31 May 2021 • Liang Chen, Xiangchen Lu, Nan Shen, Lei Wang, Yuan Zhuang, Ye Su, Deren Li, Ruizhi Chen
The performance of those integration algorithms on expanding the successful acquisition time range is verified by the real data collected from the Luojia-1A satellite.
no code implementations • CVPR 2021 • Zhanyu Wang, Luping Zhou, Lei Wang, Xiu Li
On one hand, the image-text matching branch helps to learn highly text-correlated visual features for the report generation branch to output high quality reports.
1 code implementation • 22 Jul 2021 • Wenbin Li, Xuesong Yang, Meihao Kong, Lei Wang, Jing Huo, Yang Gao, Jiebo Luo
However, in small data regimes, we can not obtain a sufficient number of negative pairs or effectively avoid the over-fitting problem when negatives are not used at all.
1 code implementation • ICCV 2021 • Xiong Zhang, Hongsheng Huang, Jianchao Tan, Hongmin Xu, Cheng Yang, Guozhu Peng, Lei Wang, Ji Liu
To further improve the performance of these tasks, we propose a novel Hand Image Understanding (HIU) framework to extract comprehensive information of the hand object from a single RGB image, by jointly considering the relationships between these tasks.
1 code implementation • 24 Jul 2021 • Qian Yu, Lei Qi, Luping Zhou, Lei Wang, Yilong Yin, Yinghuan Shi, Wuzhang Wang, Yang Gao
Together, the above two schemes give rise to a novel double-branch encoder segmentation framework for medical image segmentation, namely Crosslink-Net.
no code implementations • 26 Jul 2021 • Liang Zeng, Lei Wang, Hui Niu, Ruchen Zhang, Ling Wang, Jian Li
In a set of experiments on three real-world financial markets: stocks, cryptocurrencies, and ETFs, LARA significantly outperforms several machine learning based methods on the Qlib quantitative investment platform.
1 code implementation • Findings (NAACL) 2022 • Zhenwen Liang, Jipeng Zhang, Lei Wang, Wei Qin, Yunshi Lan, Jie Shao, Xiangliang Zhang
Math word problem (MWP) solving faces a dilemma in number representation learning.
Ranked #5 on Math Word Problem Solving on MathQA
no code implementations • 6 Aug 2021 • Shengqi Huang, Wanqi Yang, Lei Wang, Luping Zhou, Ming Yang
Inspired by the recent local descriptor based few-shot learning (FSL), our general UDA model is fully built upon local descriptors (LDs) for image classification and domain adaptation.
1 code implementation • 12 Aug 2021 • Ruyi Zhang, Ziwei Yang, Zhi Yang, Xubo Yang, Lei Wang, Zheyang Li
To alleviate this problem, we propose a novel framework to train an accuracy predictor under few training samples.
1 code implementation • 12 Aug 2021 • Ziwei Yang, Ruyi Zhang, Zhi Yang, Xubo Yang, Lei Wang, Zheyang Li
One-shot neural architecture search (NAS) applies weight-sharing supernet to reduce the unaffordable computation overhead of automated architecture designing.
no code implementations • 19 Aug 2021 • Lei Wang, Romeo Ortega, Alexey Bobtsov, Jose Guadalupe Romero, Bowen Yi
The estimators are shown to be robust to additive measurement noise and--not necessarily slow--parameter variations.
no code implementations • 21 Aug 2021 • Lei Wang, Romeo Ortega, Alexei Bobtsov
In this paper we are interested in the problem of state observation of state-affine nonlinear systems.
1 code implementation • 2 Sep 2021 • Yihuai Lan, Lei Wang, Qiyuan Zhang, Yunshi Lan, Bing Tian Dai, Yan Wang, Dongxiang Zhang, Ee-Peng Lim
Over the last few years, there are a growing number of datasets and deep learning-based methods proposed for effectively solving MWPs.
Ranked #8 on Math Word Problem Solving on Math23K
1 code implementation • 10 Sep 2021 • Wenbin Li, Ziyi, Wang, Xuesong Yang, Chuanqi Dong, Pinzhuo Tian, Tiexin Qin, Jing Huo, Yinghuan Shi, Lei Wang, Yang Gao, Jiebo Luo
Furthermore, based on LibFewShot, we provide comprehensive evaluations on multiple benchmarks with various backbone architectures to evaluate common pitfalls and effects of different training tricks.
1 code implementation • 15 Sep 2021 • Binghong Wu, Yehui Yang, Dalu Yang, Junde Wu, Xiaorong Wang, Haifeng Huang, Lei Wang, Yanwu Xu
Based on focal loss with ATSS-R50, our approach achieves 40. 5 AP, surpassing the state-of-the-art QFL (Quality Focal Loss, 39. 9 AP) and VFL (Varifocal Loss, 40. 1 AP).
1 code implementation • Findings (EMNLP) 2021 • Qiyuan Zhang, Lei Wang, Sicheng Yu, Shuohang Wang, Yang Wang, Jing Jiang, Ee-Peng Lim
While diverse question answering (QA) datasets have been proposed and contributed significantly to the development of deep learning models for QA tasks, the existing datasets fall short in two aspects.
no code implementations • 28 Sep 2021 • Lei Wang, Shihui Zhang, Huan He, Xiaoxiao Zhang, Yu Sang
Last but not least, the compact triplet-center loss is proposed specifically for the sketch recognition task.
no code implementations • 29 Sep 2021 • Chunjie Luo, Jianfeng Zhan, Lei Wang, Wanling Gao
Specifically, it calculates the mean like Batch Normalization to maintain the advantage of Batch Normalization.
no code implementations • 29 Sep 2021 • Lei Wang, Deming Yuan, Guodong Shi
In this paper, we study dataset processing mechanisms generated by linear queries in the presence of manifold data dependency.
no code implementations • 29 Sep 2021 • Kemi Ding, Yijun Chen, Lei Wang, Xiaoqiang Ren, Guodong Shi
Next, in view of the inherent stability and sparsity constraints for the network interaction structure, we propose a stable and sparse system identification framework for learning the interaction graph from full player action observations.
no code implementations • 29 Sep 2021 • Deming Yuan, Lei Wang, Alexandre Proutiere, Guodong Shi
Zeroth-order optimization has become increasingly important in complex optimization and machine learning when cost functions are impossible to be described in closed analytical forms.
no code implementations • 11 Oct 2021 • Lei Wang, Ke Sun, Piotr Koniusz
We aim at capturing high-order statistics of feature vectors formed by a neural network, and propose end-to-end second- and higher-order pooling to form a tensor descriptor.
Ranked #2 on Scene Recognition on YUP++ (using extra training data)
no code implementations • 18 Oct 2021 • Langzhang Liang, Cuiyun Gao, Shiyi Chen, Shishi Duan, Yu Pan, Junjin Zheng, Lei Wang, Zenglin Xu
Graph Convolutional Networks (GCNs) are powerful for processing graph-structured data and have achieved state-of-the-art performance in several tasks such as node classification, link prediction, and graph classification.
no code implementations • 20 Oct 2021 • Ran Cheng, Chao Chen, Longfei Xu, Shen Li, Lei Wang, Hengbin Cui, Kaikui Liu, Xiaolong Li
For user representation, we utilize a series of historical navigation to extract user preference.
no code implementations • 28 Oct 2021 • Olatunji Mumini Omisore, Toluwanimi Akinyemi, Wenke Duan, Wenjing Du, Lei Wang
Robotic catheterization is typically used for percutaneous coronary intervention procedures nowadays and it involves steering flexible endovascular tools to open up occlusion in the coronaries.
no code implementations • 15 Nov 2021 • Rong Fu, Tianyao Huang, Lei Wang, Yimin Liu
As a typical signal processing problem, multidimensional harmonic retrieval (MHR) has been adapted to a wide range of applications in signal processing.
no code implementations • 23 Nov 2021 • Pengfei Zhu, Hongtao Yu, Kaihua Zhang, Yu Wang, Shuai Zhao, Lei Wang, Tianzhu Zhang, QinGhua Hu
To address this issue, segmentation-based trackers have been proposed that employ per-pixel matching to improve the tracking performance of deformable objects effectively.
1 code implementation • 30 Nov 2021 • Lei Qi, Jiaqi Liu, Lei Wang, Yinghuan Shi, Xin Geng
A significance of our work lies in that it shows the potential of unsupervised domain generalization for person ReID and sets a strong baseline for the further research on this topic.
1 code implementation • 16 Dec 2021 • Lei Wang
Human action recognition still exists many challenging problems such as different viewpoints, occlusion, lighting conditions, human body size and the speed of action execution, although it has been widely used in different areas.
no code implementations • 23 Dec 2021 • Songtao Peng, Jiaqi Nie, Xincheng Shu, Zhongyuan Ruan, Lei Wang, Yunxuan Sheng, Qi Xuan
As the default protocol for exchanging routing reachability information on the Internet, the abnormal behavior in traffic of Border Gateway Protocols (BGP) is closely related to Internet anomaly events.
no code implementations • 23 Dec 2021 • Lei Wang, Jun Liu, Piotr Koniusz
In this paper, we propose a Few-shot Learning pipeline for 3D skeleton-based action recognition by Joint tEmporal and cAmera viewpoiNt alIgnmEnt (JEANIE).
no code implementations • 23 Dec 2021 • Xiaotong Ni, Hui-Hai Zhao, Lei Wang, Feng Wu, Jianxin Chen
In a quantum processor, the device design and external controls together contribute to the quality of the target quantum operations.
no code implementations • 30 Dec 2021 • Lei Wang, Xin Liu
In this paper, we focus on the decentralized optimization problem over the Stiefel manifold, which is defined on a connected network of $d$ agents.