1 code implementation • ECCV 2020 • Xiao Zhang, Rui Zhao, Yu Qiao, Hongsheng Li
To address this problem, this paper introduces a novel Radial Basis Function (RBF) distances to replace the commonly used inner products in the softmax loss function, such that it can adaptively assign losses to regularize the intra-class and inter-class distances by reshaping the relative differences, and thus creating more representative prototypes of classes to improve optimization.
no code implementations • CCL 2021 • Dongzhen Wen, Fan Zhang, Xiao Zhang, Liang Yang, Yuan Lin, Bo Xu, Hongfei Lin
“软件源代码的理解则是软件协同开发与维护的核心, 而源代码中占半数以上的标识符的理解则在软件理解中起到重要作用, 传统软件工程主要研究通过命名规范限制标识符的命名过程以构造更易理解和交流的标识符。本文则在梳理分析常见编程语言命名规范的基础上, 提出一种全新的标识符可理解性评价标准。具体而言, 本文首先总结梳理了常见主流编程语言中的命名规范并类比自然语言语素概念本文提出基于软件语素的标识符构成过程, 即标识符的构成可被视为软件语素的生成、排列和连接过程。在此基础上, 本文提出一种结合自然语料库的软件标识符规范性评价方法, 用来衡量软件标识符是否易于理解。最后, 本文通过源代码理解数据集和乇乩乴乨乵乢平台中开源项目对规范性指标进行了验证性实验, 结果表明本文提出的规范性分数能够很好衡量软件项目的可理解性。”
no code implementations • 26 Sep 2023 • Feng Liu, Faguo Wu, Xiao Zhang
The normalization constraint on probability density poses a significant challenge for solving the Fokker-Planck equation.
no code implementations • 23 Sep 2023 • Zihua Si, Zhongxiang Sun, Jiale Chen, Guozhang Chen, Xiaoxue Zang, Kai Zheng, Yang song, Xiao Zhang, Jun Xu
To obtain efficiency and effectiveness, this paper introduces a generative retrieval framework, namely SEATER, which learns SEmAntic Tree-structured item identifiERs via contrastive learning.
no code implementations • 22 Sep 2023 • Hai Zhang, Hang Yu, Junqiao Zhao, Di Zhang, ChangHuang, Hongtu Zhou, Xiao Zhang, Chen Ye
Designing and deriving effective model-based reinforcement learning (MBRL) algorithms with a performance improvement guarantee is challenging, mainly attributed to the high coupling between model learning and policy optimization.
no code implementations • 14 Aug 2023 • Chenglei Shen, Xiao Zhang, Wei Wei, Jun Xu
In real-world streaming recommender systems, user preferences often dynamically change over time (e. g., a user may have different preferences during weekdays and weekends).
1 code implementation • 11 Aug 2023 • Chen Xu, Xiaopeng Ye, Jun Xu, Xiao Zhang, Weiran Shen, Ji-Rong Wen
RFL means that recommender system can only receive feedback on exposed items from users and update recommender models incrementally based on this feedback.
no code implementations • 3 Jul 2023 • Fnu Suya, Xiao Zhang, Yuan Tian, David Evans
We study indiscriminate poisoning for linear learners where an adversary injects a few crafted examples into the training data with the goal of forcing the induced model to incur higher test error.
no code implementations • 25 Jun 2023 • Xiao Zhang, Heqi Zheng, Yuxiang Nie, Heyan Huang, Xian-Ling Mao
However, the dataset has ignored the fact that different readers may have different levels of understanding of the text, and only includes single-perspective question-answer pairs, leading to a lack of consideration of different perspectives.
no code implementations • 24 Jun 2023 • Xiao Zhang, Hai Zhang, Hongtu Zhou, Chang Huang, Di Zhang, Chen Ye, Junqiao Zhao
In this paper, we propose a method to construct a boundary that discriminates safe and unsafe states.
2 code implementations • 16 Jun 2023 • Chunliu Wang, Xiao Zhang, Johan Bos
Previous work has predominantly focused on monolingual English semantic parsing.
no code implementations • 13 Jun 2023 • Zhongxiang Sun, Zihua Si, Xiaoxue Zang, Dewei Leng, Yanan Niu, Yang song, Xiao Zhang, Jun Xu
We believe this dataset will serve as a catalyst for innovative research and bridge the gap between academia and industry in understanding the S&R services in practical, real-world applications.
1 code implementation • 8 Jun 2023 • Sirui Chen, YuAn Wang, Zijing Wen, Zhiyu Li, Changshuo Zhang, Xiao Zhang, Quan Lin, Cheng Zhu, Jun Xu
In this paper, we propose a framework called controllable multi-objective re-ranking (CMR) which incorporates a hypernetwork to generate parameters for a re-ranking model according to different preference weights.
1 code implementation • 8 Jun 2023 • Qianqian Xie, Weiguang Han, Xiao Zhang, Yanzhao Lai, Min Peng, Alejandro Lopez-Lira, Jimin Huang
This paper introduces PIXIU, a comprehensive framework including the first financial LLM based on fine-tuning LLaMA with instruction data, the first instruction data with 136K data samples to support the fine-tuning, and an evaluation benchmark with 5 tasks and 9 datasets.
1 code implementation • 18 May 2023 • Zihua Si, Zhongxiang Sun, Xiao Zhang, Jun Xu, Xiaoxue Zang, Yang song, Kun Gai, Ji-Rong Wen
In our paper, we propose a Search-Enhanced framework for the Sequential Recommendation (SESRec) that leverages users' search interests for recommendation, by disentangling similar and dissimilar representations within S&R behaviors.
1 code implementation • 7 May 2023 • Yi Cheng, Haochao Ying, Renjun Hu, Jinhong Wang, Wenhao Zheng, Xiao Zhang, Danny Chen, Jian Wu
Image ordinal regression has been mainly studied along the line of exploiting the order of categories.
1 code implementation • 3 May 2023 • Sunhao Dai, Ninglu Shao, Haiyuan Zhao, Weijie Yu, Zihua Si, Chen Xu, Zhongxiang Sun, Xiao Zhang, Jun Xu
The debut of ChatGPT has recently attracted the attention of the natural language processing (NLP) community and beyond.
1 code implementation • 23 Apr 2023 • Yu Zhou, Yu Chen, Xiao Zhang, Pan Lai, Lei Huang, Jianmin Jiang
While the initial reconstruction sub-network has a hierarchical structure to progressively recover the image, reducing the number of parameters, the residual reconstruction sub-network facilitates recurrent residual feature extraction via recurrent learning to perform both feature fusion and deep reconstructions across different scales.
no code implementations • 22 Apr 2023 • Daizhan Cheng, Xiao Zhang, Zhengping Ji
The first kind of representation is state-based, which converts a BCN into a TS with either distinct control or non-distinct control.
no code implementations • 12 Apr 2023 • Chen Zhao, Anqi Liu, Xiao Zhang, Xuewei Cao, Zhengming Ding, Qiuying Sha, Hui Shen, Hong-Wen Deng, Weihua Zhou
Integration of heterogeneous and high-dimensional multi-omics data is becoming increasingly important in understanding genetic data.
no code implementations • 25 Mar 2023 • Zhengping Ji, Xiao Zhang, Daizhan Cheng
Then the overall network can be approximated by the quotient systems of each blocks, which is called the aggregated simulation.
no code implementations • 19 Mar 2023 • Yuan Bai, Zengyang Shao, Xiao Zhang, Ruohan Chen, Lin Wang, Sheikh Taslim Ali, Tianmu Chen, Eric H. Y. Lau, Dong-Yan Jin, Zhanwei Du
China adjusted the zero-COVID strategy in late 2022, triggering an unprecedented Omicron wave.
1 code implementation • 12 Mar 2023 • Chen Xu, Sirui Chen, Jun Xu, Weiran Shen, Xiao Zhang, Gang Wang, Zhenghua Dong
In this paper, we proposed an online re-ranking model named Provider Max-min Fairness Re-ranking (P-MMF) to tackle the problem.
no code implementations • 11 Mar 2023 • Daizhan Cheng, Xiao Zhang, Zhengping Ji
Some basic properties of the STP of matrices are extended to the STP of hypermatrices.
no code implementations • 19 Dec 2022 • Xiao Zhang, Heyan Huang, Zewen Chi, Xian-Ling Mao
Open-retrieval conversational machine reading comprehension (OCMRC) simulates real-life conversational interaction scenes.
no code implementations • 23 Nov 2022 • Xiao Zhang, Zhengping Ji, Daizhan Cheng
The control properties of discrete-time switched linear systems (SLSs) with switching signals generated by logical dynamic systems are studied using the semi-tensor product approach.
no code implementations • 24 Oct 2022 • Zhaoqi Leng, Shuyang Cheng, Benjamin Caine, Weiyue Wang, Xiao Zhang, Jonathon Shlens, Mingxing Tan, Dragomir Anguelov
To alleviate the cost of hyperparameter tuning and iterative pseudo labeling, we develop a population-based data augmentation framework for 3D detection, named AutoPseudoAugment.
1 code implementation • 20 Oct 2022 • Zhongxiang Sun, Jun Xu, Xiao Zhang, Zhenhua Dong, Ji-Rong Wen
We show that the framework is model-agnostic, and a number of legal case matching models can be applied as the underlying models.
no code implementations • 13 Oct 2022 • Xiao Zhang, Ninglu Shao, Zihua Si, Jun Xu, Wenhan Wang, Hanjing Su, Ji-Rong Wen
In this paper, we propose an efficient reward imputation approach using sketching for CBB, which completes the unobserved rewards with the imputed rewards approximating the full-information feedbacks.
1 code implementation • COLING 2022 • Xiao Zhang, Heyan Huang, Zewen Chi, Xian-Ling Mao
Conversational machine reading comprehension (CMRC) aims to assist computers to understand an natural language text and thereafter engage in a multi-turn conversation to answer questions related to the text.
1 code implementation • COLING 2022 • Zhanyu Wang, Xiao Zhang, Hyokun Yun, Choon Hui Teo, Trishul Chilimbi
In contrast to traditional exhaustive search, selective search first clusters documents into several groups before all the documents are searched exhaustively by a query, to limit the search executed within one group or only a few groups.
no code implementations • 1 Sep 2022 • Daizhan Cheng, HongSheng Qi, Xiao Zhang, Zhengping Ji
Finally, the relationship between state invariant subspace and dual invariant subspace of a network is investigated.
no code implementations • 3 Aug 2022 • Xiao Zhang, Hao Tan, Xuan Huang, Denghui Zhang, Keke Tang, Zhaoquan Gu
With the development of hardware and algorithms, ASR(Automatic Speech Recognition) systems evolve a lot.
Automatic Speech Recognition
Automatic Speech Recognition (ASR)
+1
no code implementations • 23 Jul 2022 • Xu Zhou, Xinyu Lei, Cong Yang, Yichun Shi, Xiao Zhang, Jingwen Shi
The key idea in FedKF is to let the server return the global knowledge to be fused with the local knowledge in each training round so that the local model can be regularized towards the global optima.
no code implementations • 18 Jul 2022 • MingBin Xu, Congzheng Song, Ye Tian, Neha Agrawal, Filip Granqvist, Rogier Van Dalen, Xiao Zhang, Arturo Argueta, Shiyi Han, Yaqiao Deng, Leo Liu, Anmol Walia, Alex Jin
Our goal is to train a large neural network language model (NNLM) on compute-constrained devices while preserving privacy using FL and DP.
no code implementations • 26 May 2022 • Xiao Zhang, Dejing Dou, Ji Wu
To study the feature forgetting problem, we create a synthetic dataset to identify and visualize the prevalence of feature forgetting in neural networks.
1 code implementation • ACL 2022 • Heqi Zheng, Xiao Zhang, Zewen Chi, Heyan Huang, Tan Yan, Tian Lan, Wei Wei, Xian-Ling Mao
In this paper, we propose XPR, a cross-lingual phrase retriever that extracts phrase representations from unlabeled example sentences.
no code implementations • 11 Apr 2022 • Sirui Chen, Xiao Zhang, Xu Chen, Zhiyu Li, YuAn Wang, Quan Lin, Jun Xu
Then, it defines \emph{the MDP discrete time steps as the ranks in the initial ranking list, and the actions as the prediction of the user-item preference and the selection of the slots}.
no code implementations • 2 Apr 2022 • Haiyuan Zhao, Jun Xu, Xiao Zhang, Guohao Cai, Zhenhua Dong, Ji-Rong Wen
An extension to the pairwise neural ranking is also developed.
1 code implementation • 9 Feb 2022 • Zihua Si, Xueran Han, Xiao Zhang, Jun Xu, Yue Yin, Yang song, Ji-Rong Wen
In this paper, we propose a model-agnostic framework named IV4Rec that can effectively decompose the embedding vectors into these two parts, hence enhancing recommendation results.
no code implementations • 6 Jan 2022 • Igor Halperin, Jiayu Liu, Xiao Zhang
We suggest a simple practical method to combine the human and artificial intelligence to both learn best investment practices of fund managers, and provide recommendations to improve them.
no code implementations • 25 Nov 2021 • Xiao Zhang, Zhengping Ji, Daizhan Cheng
It is a common belief that the order of a Boolean network is mainly determined by its attractors, including fixed points and cycles.
1 code implementation • 16 Sep 2021 • Yiming Zhao, Xiao Zhang, Xinming Huang
The proposed algorithm is implemented with C++ and wrapped as a python function.
1 code implementation • 21 Aug 2021 • Yiming Zhao, Xiao Zhang, Xinming Huang
To our best knowledge, we are the first to attempt the point cloud panoptic segmentation with clustering algorithms.
1 code implementation • ICLR 2022 • Xiao Zhang, David Evans
A fundamental question in adversarial machine learning is whether a robust classifier exists for a given task.
no code implementations • CVPR 2021 • Pei Sun, Weiyue Wang, Yuning Chai, Gamaleldin Elsayed, Alex Bewley, Xiao Zhang, Cristian Sminchisescu, Dragomir Anguelov
These larger detection ranges require more efficient and accurate detection models.
no code implementations • CVPR 2021 • Yuning Chai, Pei Sun, Jiquan Ngiam, Weiyue Wang, Benjamin Caine, Vijay Vasudevan, Xiao Zhang, Dragomir Anguelov
3D object detection is vital for many robotics applications.
no code implementations • 20 Jun 2021 • Xuanyu Wu, Xuhong LI, Haoyi Xiong, Xiao Zhang, Siyu Huang, Dejing Dou
Incorporating with a set of randomized strategies for well-designed data transformations over the training set, ContRE adopts classification errors and Fisher ratios on the generated contrastive examples to assess and analyze the generalization performance of deep models in complement with a testing set.
1 code implementation • CVPR 2021 • Xiao Zhang, Yixiao Ge, Yu Qiao, Hongsheng Li
Unsupervised object re-identification targets at learning discriminative representations for object retrieval without any annotations.
1 code implementation • 3 Jun 2021 • Xiao Zhang, Dongrui Wu, Haoyi Xiong, Bo Dai
Unlike the conventional wisdom in statistical learning theory, the test error of a deep neural network (DNN) often demonstrates double descent: as the model complexity increases, it first follows a classical U-shaped curve and then shows a second descent.
1 code implementation • NAACL 2021 • Xuan Zhou, Xiao Zhang, Chenyang Tao, Junya Chen, Bing Xu, Wei Wang, Jing Xiao
To maximally assimilate knowledge into the student model, we propose a multi-grained distillation scheme, which integrates cross entropy involved in conditional random field (CRF) and fuzzy learning. To validate the effectiveness of our proposal, we conducted a comprehensive evaluation on five NER benchmarks, reporting cross-the-board performance gains relative to competing prior-arts.
1 code implementation • 18 May 2021 • Zekai Chen, Fangtian Zhong, Zhumin Chen, Xiao Zhang, Robert Pless, Xiuzhen Cheng
Prior studies in predicting user response leveraged the feature interactions by enhancing feature vectors with products of features to model second-order or high-order cross features, either explicitly or implicitly.
1 code implementation • 18 May 2021 • Zekai Chen, Xiao Zhang, Xiuzhen Cheng
On the one hand, multiple views across tasks possibly relate to each other under practical situations.
no code implementations • 27 Apr 2021 • Yixiao Ge, Xiao Zhang, Ching Lam Choi, Ka Chun Cheung, Peipei Zhao, Feng Zhu, Xiaogang Wang, Rui Zhao, Hongsheng Li
In this way, our BAKE framework achieves online knowledge ensembling across multiple samples with only a single network.
1 code implementation • 8 Apr 2021 • Zekai Chen, Dingshuo Chen, Xiao Zhang, Zixuan Yuan, Xiuzhen Cheng
This paper presented GTA, a new framework for multivariate time series anomaly detection that involves automatically learning a graph structure, graph convolution, and modeling temporal dependency using a Transformer-based architecture.
1 code implementation • ICLR 2021 • Jack Prescott, Xiao Zhang, David Evans
Mahloujifar et al. presented an empirical way to measure the concentration of a data distribution using samples, and employed it to find lower bounds on intrinsic robustness for several benchmark datasets.
1 code implementation • 19 Mar 2021 • Xuhong LI, Haoyi Xiong, Xingjian Li, Xuanyu Wu, Xiao Zhang, Ji Liu, Jiang Bian, Dejing Dou
Then, to understand the interpretation results, we also survey the performance metrics for evaluating interpretation algorithms.
no code implementations • 24 Jan 2021 • Zekai Chen, Jiaze E, Xiao Zhang, Hao Sheng, Xiuzheng Cheng
Time series forecasting is a key component in many industrial and business decision processes and recurrent neural network (RNN) based models have achieved impressive progress on various time series forecasting tasks.
no code implementations • 18 Jan 2021 • Qiang Zhou, Jingjing Gu, Xinjiang Lu, Fuzhen Zhuang, Yanchao Zhao, Qiuhong Wang, Xiao Zhang
Intuitively, the potential crowd flow of the new coming site can be implied by exploring the nearby sites.
no code implementations • 1 Jan 2021 • Xiao Zhang, Dejing Dou, Ji Wu
We provide a practical distance measure in the space of functions parameterized by neural networks.
no code implementations • 1 Jan 2021 • Xiao Zhang, Di Hu, Xingjian Li, Dejing Dou, Ji Wu
We demonstrate using model information as a general analysis tool to gain insight into problems that arise in deep learning.
no code implementations • 20 Dec 2020 • Xiao Zhang, Chunsheng Liu, Faliang Chang
In this paper, we present a novel architecture which introduces a guidance module to encourage the encoder-decoder model to generate words related to the past and future words in a caption.
no code implementations • CUHK Course IERG5350 2020 • Yingjie Cai, Xiao Zhang
Although state-ofthe-art reinforcement learning (RL) systems has led to breakthroughs in many difficult tasks, the sample inefficiency of standard reinforcement learning methods still precludes their application to more extremely complex tasks.
no code implementations • NeurIPS 2020 • Xiao Zhang, Michael Maire
We create a framework for bootstrapping visual representation learning from a primitive visual grouping capability.
1 code implementation • COLING 2020 • Jiapeng Liu, Xiao Zhang, Dan Goldwasser, Xiao Wang
Cross-lingual document search is an information retrieval task in which the queries' language differs from the documents' language.
no code implementations • COLING 2020 • Xiao Zhang, Dan Goldwasser
We describe two end-to-end autoencoding models for semi-supervised graph-based projective dependency parsing.
no code implementations • 16 Sep 2020 • Xiao Zhang, Xingjian Li, Dejing Dou, Ji Wu
We propose a practical measure of the generalizable information in a neural network model based on prequential coding, which we term Information Transfer ($L_{IT}$).
no code implementations • 25 Jul 2020 • Haonan Jia, Xiao Zhang, Jun Xu, Wei Zeng, Hao Jiang, Xiaohui Yan, Ji-Rong Wen
Deep Q-learning algorithms often suffer from poor gradient estimations with an excessive variance, resulting in unstable training and poor sampling efficiency.
no code implementations • WS 2020 • Xiao Zhang, Dan Goldwasser
We propose an end-to-end variational autoencoding parsing (VAP) model for semi-supervised graph-based projective dependency parsing.
1 code implementation • 29 Apr 2020 • Xiao Zhang, Haoyi Xiong, Dongrui Wu
Over-parameterized deep neural networks (DNNs) with sufficient capacity to memorize random noise can achieve excellent generalization performance, challenging the bias-variance trade-off in classical learning theory.
1 code implementation • 1 Mar 2020 • Xiao Zhang, Jinghui Chen, Quanquan Gu, David Evans
Starting with Gilmer et al. (2018), several works have demonstrated the inevitability of adversarial examples based on different assumptions about the underlying input probability space.
1 code implementation • ICML 2020 • Sicheng Zhu, Xiao Zhang, David Evans
We develop a notion of representation vulnerability that captures the maximum change of mutual information between the input and output distributions, under the worst-case input perturbation.
no code implementations • 25 Feb 2020 • Xien Liu, Song Wang, Xiao Zhang, Xinxin You, Ji Wu, Dejing Dou
In this study, we propose a label-guided learning framework LguidedLearn for text representation and classification.
1 code implementation • 30 Jan 2020 • Xiao Zhang, Dongrui Wu, Lieyun Ding, Hanbin Luo, Chin-Teng Lin, Tzyy-Ping Jung, Ricardo Chavarriaga
An electroencephalogram (EEG) based brain-computer interface (BCI) speller allows a user to input text to a computer by thought.
2 code implementations • 12 Jan 2020 • Xien Liu, Xinxin You, Xiao Zhang, Ji Wu, Ping Lv
A new framework TensorGCN (tensor graph convolutional networks), is presented for this task.
no code implementations • ICLR 2020 • Xiao Zhang, Dongrui Wu
A deep neural network (DNN) with piecewise linear activations can partition the input space into numerous small linear regions, where different linear functions are fitted.
1 code implementation • 25 Dec 2019 • Qijie Wei, Xirong Li, Weihong Yu, Xiao Zhang, Yongpeng Zhang, Bojie Hu, Bin Mo, Di Gong, Ning Chen, Dayong Ding, Youxin Chen
This paper attacks the three challenges in the context of diabetic retinopathy (DR) grading.
1 code implementation • 3 Dec 2019 • Zihan Liu, Lubin Meng, Xiao Zhang, Weili Fang, Dongrui Wu
Multiple convolutional neural network (CNN) classifiers have been proposed for electroencephalogram (EEG) based brain-computer interfaces (BCIs).
no code implementations • 1 Dec 2019 • Xiao Zhang, Manish Marwah, I-Ta Lee, Martin Arlitt, Dan Goldwasser
In this paper, we introduce Anomaly Contribution Explainer or ACE, a tool to explain security anomaly detection models in terms of the model features through a regression framework, and its variant, ACE-KL, which highlights the important anomaly contributors.
no code implementations • 7 Nov 2019 • Xue Jiang, Xiao Zhang, Dongrui Wu
Learning a good substitute model is critical to the success of these attacks, but it requires a large number of queries to the target model.
1 code implementation • NeurIPS 2019 • Wei Deng, Xiao Zhang, Faming Liang, Guang Lin
We propose a novel adaptive empirical Bayesian method for sparse deep learning, where the sparsity is ensured via a class of self-adaptive spike-and-slab priors.
1 code implementation • ICCV 2019 • Jyh-Jing Hwang, Stella X. Yu, Jianbo Shi, Maxwell D. Collins, Tien-Ju Yang, Xiao Zhang, Liang-Chieh Chen
The proposed SegSort further produces an interpretable result, as each choice of label can be easily understood from the retrieved nearest segments.
Ranked #8 on
Unsupervised Semantic Segmentation
on PASCAL VOC 2012 val
(using extra training data)
no code implementations • 3 Oct 2019 • Chen Fu, Chiyu Dong, Xiao Zhang, John M. Dolan
Based on our previous optimization/criteria-based L-Shape fitting algorithm, we here propose a data-driven and model-based method for robust vehicle segmentation and tracking.
no code implementations • 25 Sep 2019 • Xiao Zhang, Song Wang, Dejing Dou, Xien Liu, Thien Huu Nguyen, Ji Wu
Contextual representation models like BERT have achieved state-of-the-art performance on a diverse range of NLP tasks.
no code implementations • 16 Aug 2019 • Xiao Zhang, Dejing Dou, Ji Wu
External knowledge is often useful for natural language understanding tasks.
1 code implementation • 13 Jun 2019 • Sheng Guo, Weilin Huang, Xiao Zhang, Prasanna Srikhanta, Yin Cui, Yuan Li, Matthew R. Scott, Hartwig Adam, Serge Belongie
The dataset is constructed from over one million fashion images with a label space that includes 8 groups of 228 fine-grained attributes in total.
1 code implementation • ACL 2019 • Xiao Zhang, Dan Goldwasser
Many NLP learning tasks can be decomposed into several distinct sub-tasks, each associated with a partial label.
1 code implementation • NeurIPS 2019 • Saeed Mahloujifar, Xiao Zhang, Mohammad Mahmoody, David Evans
Many recent works have shown that adversarial examples that fool classifiers can be found by minimally perturbing a normal input.
1 code implementation • 16 May 2019 • Zaiwei Zhang, Xiangru Huang, Qi-Xing Huang, Xiao Zhang, Yuan Li
We formulate this problem as joint learning of multiple copies of the same network architecture and enforce the network weights to be shared across these networks.
no code implementations • CVPR 2019 • Xiao Zhang, Rui Zhao, Junjie Yan, Mengya Gao, Yu Qiao, Xiaogang Wang, Hongsheng Li
Cosine-based softmax losses significantly improve the performance of deep face recognition networks.
3 code implementations • CVPR 2019 • Xiao Zhang, Rui Zhao, Yu Qiao, Xiaogang Wang, Hongsheng Li
Our results show that training deep neural networks with the AdaCos loss is stable and able to achieve high face recognition accuracy.
Ranked #6 on
Face Verification
on MegaFace
no code implementations • ICLR 2019 • Wei Deng, Xiao Zhang, Faming Liang, Guang Lin
We propose a robust Bayesian deep learning algorithm to infer complex posteriors with latent variables.
1 code implementation • CVPR 2019 • Shaohui Liu, Xiao Zhang, Jianqiao Wangni, Jianbo Shi
We introduce the concept of normalized diversity which force the model to preserve the normalized pairwise distance between the sparse samples from a latent parametric distribution and their corresponding high-dimensional outputs.
no code implementations • 31 Mar 2019 • Xiao Zhang, Dongrui Wu
Deep learning has been successfully used in numerous applications because of its outstanding performance and the ability to avoid manual feature engineering.
no code implementations • 13 Feb 2019 • Tien-Ju Yang, Maxwell D. Collins, Yukun Zhu, Jyh-Jing Hwang, Ting Liu, Xiao Zhang, Vivienne Sze, George Papandreou, Liang-Chieh Chen
We present a single-shot, bottom-up approach for whole image parsing.
Ranked #32 on
Panoptic Segmentation
on Cityscapes val
no code implementations • ACL 2019 • Xiao Zhang, Ji Wu, Dejing Dou
Evaluation also confirms the tuned word embeddings have better semantic properties.
no code implementations • 3 Dec 2018 • Ching Hua Lee, Guangjie Li, YuHan Liu, Tommy Tai, Ronny Thomale, Xiao Zhang
Non-Hermitian nodal knot metals (NKMs) contains intricate complex-valued energy bands gives rise to knotted exceptional loops and new topological surface states.
Mesoscale and Nanoscale Physics Materials Science Other Condensed Matter Mathematical Physics Mathematical Physics Quantum Physics
1 code implementation • ICLR 2019 • Xiao Zhang, David Evans
Several recent works have developed methods for training classifiers that are certifiably robust against norm-bounded adversarial perturbations.
no code implementations • ICML 2018 • Xiao Zhang, Lingxiao Wang, Yaodong Yu, Quanquan Gu
We propose a primal-dual based framework for analyzing the global optimality of nonconvex low-rank matrix recovery.
no code implementations • 20 Jun 2018 • Xiao Zhang, Yaodong Yu, Lingxiao Wang, Quanquan Gu
We study the problem of learning one-hidden-layer neural networks with Rectified Linear Unit (ReLU) activation function, where the inputs are sampled from standard Gaussian distribution and the outputs are generated from a noisy teacher network.
no code implementations • 22 May 2018 • Xiao Zhang, Xuehe Wang, Xinping Xu, Lingjie Duan
To our best knowledge, this paper is the first to design and analyze cooperative path planning algorithms of a large UAV swarm for optimally servicing many spatial locations, where ground users' demands are released dynamically in the long time horizon.
Networking and Internet Architecture
no code implementations • 30 Apr 2018 • Yuqi Cui, Xiao Zhang, Yang Wang, Chenfeng Guo, Dongrui Wu
This short paper describes our solution to the 2018 IEEE World Congress on Computational Intelligence One-Minute Gradual-Emotional Behavior Challenge, whose goal was to estimate continuous arousal and valence values from short videos.
4 code implementations • ECCV 2018 • Tien-Ju Yang, Andrew Howard, Bo Chen, Xiao Zhang, Alec Go, Mark Sandler, Vivienne Sze, Hartwig Adam
This work proposes an algorithm, called NetAdapt, that automatically adapts a pre-trained deep neural network to a mobile platform given a resource budget.
1 code implementation • 24 Mar 2018 • Yuhan Liu, Xiao Zhang, Maciej Lewenstein, Shi-Ju Ran
In this work, we implement simple numerical experiments, related to pattern/images classification, in which we represent the classifiers by many-qubit quantum states written in the matrix product states (MPS).
1 code implementation • ICML 2018 • Xiao Zhang, Simon S. Du, Quanquan Gu
We revisit the inductive matrix completion problem that aims to recover a rank-$r$ matrix with ambient dimension $d$ given $n$ features as the side prior information.
no code implementations • 28 Feb 2018 • Xiao Zhang, Ji Wu, Zhiyang He, Xien Liu, Ying Su
Reading and understanding text is one important component in computer aided diagnosis in clinical medicine, also being a major research problem in the field of NLP.
no code implementations • ICCV 2017 • Xiao Zhang, Zhiyuan Fang, Yandong Wen, Zhifeng Li, Yu Qiao
Unlike these work, this paper investigated how long-tailed data impact the training of face CNNs and develop a novel loss function, called range loss, to effectively utilize the tailed data in training process.
1 code implementation • EMNLP 2017 • Xiao Zhang, Yong Jiang, Hao Peng, Kewei Tu, Dan Goldwasser
In this paper we propose an end-to-end neural CRF autoencoder (NCRF-AE) model for semi-supervised learning of sequential structured prediction problems.
1 code implementation • ICCV 2017 • Xintong Han, Zuxuan Wu, Phoenix X. Huang, Xiao Zhang, Menglong Zhu, Yuan Li, Yang Zhao, Larry S. Davis
This paper proposes an automatic spatially-aware concept discovery approach using weakly labeled image-text data from shopping websites.
no code implementations • SEMEVAL 2017 • I-Ta Lee, Mahak Goindani, Chang Li, Di Jin, Kristen Marie Johnson, Xiao Zhang, Maria Leonor Pacheco, Dan Goldwasser
Our proposed system consists of two subsystems and one regression model for predicting STS scores.
no code implementations • ICML 2017 • Lingxiao Wang, Xiao Zhang, Quanquan Gu
We propose a generic framework based on a new stochastic variance-reduced gradient descent algorithm for accelerating nonconvex low-rank matrix recovery.
no code implementations • 19 Jul 2017 • Yang Song, Yuan Li, Bo Wu, Chao-Yeh Chen, Xiao Zhang, Hartwig Adam
To ease the training difficulty, a novel learning scheme is proposed by using the output from specialized models as learning targets so that L2 loss can be used instead of triplet loss.
no code implementations • 20 Apr 2017 • Jinghui Chen, Lingxiao Wang, Xiao Zhang, Quanquan Gu
We consider the robust phase retrieval problem of recovering the unknown signal from the magnitude-only measurements, where the measurements can be contaminated by both sparse arbitrary corruption and bounded random noise.
no code implementations • 21 Feb 2017 • Xiao Zhang, Lingxiao Wang, Quanquan Gu
We propose a unified framework to solve general low-rank plus sparse matrix recovery problems based on matrix factorization, which covers a broad family of objective functions satisfying the restricted strong convexity and smoothness conditions.
no code implementations • 9 Jan 2017 • Lingxiao Wang, Xiao Zhang, Quanquan Gu
We propose a generic framework based on a new stochastic variance-reduced gradient descent algorithm for accelerating nonconvex low-rank matrix recovery.
no code implementations • 2 Jan 2017 • Xiao Zhang, Lingxiao Wang, Quanquan Gu
And in the noiseless setting, our algorithm is guaranteed to linearly converge to the unknown low-rank matrix and achieves exact recovery with optimal sample complexity.
2 code implementations • 28 Nov 2016 • Xiao Zhang, Zhiyuan Fang, Yandong Wen, Zhifeng Li, Yu Qiao
Convolutional neural networks have achieved great improvement on face recognition in recent years because of its extraordinary ability in learning discriminative features of people with different identities.
no code implementations • 22 Nov 2016 • Zewang Zhang, Zheng Sun, Jiaqi Liu, Jingwen Chen, Zhao Huo, Xiao Zhang
We further show that applying deep residual learning can boost the convergence speed of our novel deep recurret convolutional networks.
Automatic Speech Recognition
Automatic Speech Recognition (ASR)
+2
no code implementations • 16 Nov 2016 • Zheng Sun, Jiaqi Liu, Zewang Zhang, Jingwen Chen, Zhao Huo, Ching Hua Lee, Xiao Zhang
Creating aesthetically pleasing pieces of art, including music, has been a long-term goal for artificial intelligence research.
no code implementations • 17 Oct 2016 • Lingxiao Wang, Xiao Zhang, Quanquan Gu
In the general case with noisy observations, we show that our algorithm is guaranteed to linearly converge to the unknown low-rank matrix up to minimax optimal statistical error, provided an appropriate initial estimator.
no code implementations • TACL 2016 • Dan Goldwasser, Xiao Zhang
Automatic satire detection is a subtle text classification task, for machines and at times, even for humans.
no code implementations • 7 Dec 2015 • Xiao Zhang
Boltzmann machine, as a fundamental construction block of deep belief network and deep Boltzmann machines, is widely used in deep learning community and great success has been achieved.