1 code implementation • 10 Sep 2024 • Fangzhou Lin, Haotian Liu, Haoying Zhou, Songlin Hou, Kazunori D Yamada, Gregory S. Fischer, Yanhua Li, Haichong K. Zhang, Ziming Zhang
To this end, we propose a search scheme, {\em Loss Distillation via Gradient Matching}, to find good candidate loss functions by mimicking the learning behavior in backpropagation between HyperCD and weighted CD.
no code implementations • 20 Jun 2024 • Xinbo Zhao, Yingxue Zhang, Xin Zhang, Yu Yang, Yiqun Xie, Yanhua Li, Jun Luo
MODA addresses the challenges of data scarcity and heterogeneity in a multi-task urban setting through Contrastive Data Sharing among tasks.
no code implementations • 17 Apr 2024 • Yiqun Xie, Zhihao Wang, Weiye Chen, Zhili Li, Xiaowei Jia, Yanhua Li, Ruichen Wang, Kangyang Chai, Ruohan Li, Sergii Skakun
This work aims to enhance the understanding of the status and suitability of foundation models for pixel-level classification using multispectral imagery at moderate resolution, through comparisons with traditional machine learning (ML) and regular-size deep learning models.
no code implementations • 4 Nov 2023 • Hang Yin, Yao Su, Xinyue Liu, Thomas Hartvigsen, Yanhua Li, Xiangnan Kong
We refer to such brain networks as multi-state, and this mixture can help us understand human behavior.
no code implementations • 20 Jan 2023 • Han Bao, Xun Zhou, Yiqun Xie, Yanhua Li, Xiaowei Jia
While deep learning approaches outperform conventional estimation techniques on tasks with abundant training data, the continuously evolving pandemic poses a significant challenge to solving this problem due to data nonstationarity, limited observations, and complex social contexts.
no code implementations • 1 Dec 2022 • Qiong Wu, Jian Li, Zhenming Liu, Yanhua Li, Mihai Cucuringu
This paper revisits building machine learning algorithms that involve interactions between entities, such as those between financial assets in an actively managed portfolio, or interactions between users in a social network.
no code implementations • 27 Sep 2022 • Yichen Ding, Ziming Zhang, Yanhua Li, Xun Zhou
Speed-control forecasting, a challenging problem in driver behavior analysis, aims to predict the future actions of a driver in controlling vehicle speed such as braking or acceleration.
1 code implementation • 7 Mar 2022 • Bang An, Amin Vahedian, Xun Zhou, W. Nick Street, Yanhua Li
However, this problem is challenging due to the spatial heterogeneity of the environment and the sparsity of accidents in space and time.
no code implementations • NeurIPS 2021 • Ziming Zhang, Yun Yue, Guojun Wu, Yanhua Li, Haichong Zhang
In this paper we consider the training stability of recurrent neural networks (RNNs) and propose a family of RNNs, namely SBO-RNN, that can be formulated using stochastic bilevel optimization (SBO).
no code implementations • 29 Sep 2021 • Guojun Wu, Yun Yue, Yanhua Li, Ziming Zhang
Lightweight neural networks refer to deep networks with small numbers of parameters, which are allowed to be implemented in resource-limited hardware such as embedded systems.
no code implementations • 29 Sep 2021 • Xin Zhang, Yanhua Li, Ziming Zhang, Christopher Brinton, Zhenming Liu, Zhi-Li Zhang, Hui Lu, Zhihong Tian
State-of-the-art imitation learning (IL) approaches, e. g, GAIL, apply adversarial training to minimize the discrepancy between expert and learner behaviors, which is prone to unstable training and mode collapse.
no code implementations • NeurIPS 2020 • Xin Zhang, Yanhua Li, Ziming Zhang, Zhi-Li Zhang
This naturally gives rise to the following question: Given a set of expert demonstrations, which divergence can recover the expert policy more accurately with higher data efficiency?
1 code implementation • 2 Oct 2020 • Xin Zhang, Yanhua Li, Ziming Zhang, Zhi-Li Zhang
This naturally gives rise to the following question: Given a set of expert demonstrations, which divergence can recover the expert policy more accurately with higher data efficiency?
no code implementations • 5 Aug 2020 • Qiong Wu, Adam Hare, Sirui Wang, Yuwei Tu, Zhenming Liu, Christopher G. Brinton, Yanhua Li
In this work, we reexamine the inter-related problems of "topic identification" and "text segmentation" for sparse document learning, when there is a single new text of interest.
no code implementations • 25 Sep 2019 • Xin Zhang, Weixiao Huang, Renjie Liao, Yanhua Li
Imitation learning aims to inversely learn a policy from expert demonstrations, which has been extensively studied in the literature for both single-agent setting with Markov decision process (MDP) model, and multi-agent setting with Markov game (MG) model.
no code implementations • 11 Jul 2019 • Guojun Wu, Yanhua Li, Zhenming Liu, Jie Bao, Yu Zheng, Jieping Ye, Jun Luo
In this paper, we define and investigate a general reward trans-formation problem (namely, reward advancement): Recovering the range of additional reward functions that transform the agent's policy from original policy to a predefined target policy under MCE principle.
1 code implementation • NeurIPS 2020 • Qiong Wu, Felix Ming Fai Wong, Zhenming Liu, Yanhua Li, Varun Kanade
We study the low rank regression problem $\my = M\mx + \epsilon$, where $\mx$ and $\my$ are $d_1$ and $d_2$ dimensional vectors respectively.
no code implementations • 3 May 2019 • Amin Vahedian, Xun Zhou, Ling Tong, W. Nick Street, Yanhua Li
We propose a two-stage framework (DILSA), where a deep learning model combined with survival analysis is developed to predict the probability of a dispersal event and its demand volume.
no code implementations • 21 Nov 2011 • Yanhua Li, Wei Chen, Yajun Wang, Zhi-Li Zhang
Influence diffusion and influence maximization in large-scale online social networks (OSNs) have been extensively studied, because of their impacts on enabling effective online viral marketing.
Social and Information Networks Discrete Mathematics Physics and Society E.1; H.3.3