no code implementations • EMNLP 2021 • Yi Chen, Haiyun Jiang, Lemao Liu, Shuming Shi, Chuang Fan, Min Yang, Ruifeng Xu
Auxiliary information from multiple sources has been demonstrated to be effective in zero-shot fine-grained entity typing (ZFET).
no code implementations • ACL 2022 • Yi Chen, Jiayang Cheng, Haiyun Jiang, Lemao Liu, Haisong Zhang, Shuming Shi, Ruifeng Xu
In this paper, we firstly empirically find that existing models struggle to handle hard mentions due to their insufficient contexts, which consequently limits their overall typing performance.
1 code implementation • 25 Apr 2024 • Bohao Li, Yuying Ge, Yi Chen, Yixiao Ge, Ruimao Zhang, Ying Shan
We hope that our work can serve as a valuable addition to existing MLLM benchmarks, providing insightful observations and inspiring further research in the area of text-rich visual comprehension with MLLMs.
no code implementations • 15 Mar 2024 • Zhiyong Wang, Jize Xie, Yi Chen, John C. S. Lui, Dongruo Zhou
We investigate the non-stationary stochastic linear bandit problem where the reward distribution evolves each round.
no code implementations • 5 Mar 2024 • Rui Wang, Fei Mi, Yi Chen, Boyang Xue, Hongru Wang, Qi Zhu, Kam-Fai Wong, Ruifeng Xu
2) Role Prompting assigns a central prompt to the general domain and a unique role prompt to each specific domain to minimize inter-domain confusion during training.
1 code implementation • 11 Dec 2023 • Yi Chen, Yuying Ge, Yixiao Ge, Mingyu Ding, Bohao Li, Rui Wang, Ruifeng Xu, Ying Shan, Xihui Liu
Given diverse environmental inputs, including real-time task progress, visual observations, and open-form language instructions, a proficient task planner is expected to predict feasible actions, which is a feat inherently achievable by Multimodal Large Language Models (MLLMs).
no code implementations • 7 Nov 2023 • Cheng Yin, Yi Chen
This paper introduces a novel operator, termed the Y operator, to elevate control performance in Actor-Critic(AC) based reinforcement learning for systems governed by stochastic differential equations(SDEs).
no code implementations • 17 Sep 2023 • Yi Chen, Haiyun Jiang, Wei Bi, Rui Wang, Longyue Wang, Shuming Shi, Ruifeng Xu
This work presents a new task of Text Expansion (TE), which aims to insert fine-grained modifiers into proper locations of the plain text to concretize or vivify human writings.
1 code implementation • 23 May 2023 • Rui Wang, Hongru Wang, Fei Mi, Yi Chen, Boyang Xue, Kam-Fai Wong, Ruifeng Xu
Numerous works are proposed to align large language models (LLMs) with human intents to better fulfill instructions, ensuring they are trustful and helpful.
1 code implementation • 3 Apr 2023 • Yi Chen, Rui Wang, Haiyun Jiang, Shuming Shi, Ruifeng Xu
Evaluating the quality of generated text is a challenging task in NLP, due to the inherent complexity and diversity of text.
1 code implementation • 28 Mar 2023 • Yu-Peng Wu, Hong Qian, Rong-Jun Qin, Yi Chen, Aimin Zhou
Then, a many-objective EA is used for optimization in the low-dimensional discrete solution space to obtain a well-spaced Pareto front.
no code implementations • 21 Mar 2023 • Xiaotian Weng, Yi Chen, Zhichao Zheng, Yanhui Gu, Junsheng Zhou, Yudong Zhang
We propose a novel High-Frequency Focused Network (HFFN) through High-Frequency Focused Blocks (HFFBs) that selectively enhance high-frequency information while minimizing redundant feature computation of low-frequency information.
no code implementations • 18 Mar 2023 • Shuxin Wang, Zhichao Zheng, Yanhui Gu, Junsheng Zhou, Yi Chen
Single-branch object detection methods use shared features for localization and classification, yet the shared features are not fit for the two different tasks simultaneously.
no code implementations • 14 Mar 2023 • Jianjian Yin, Zhichao Zheng, Yanhui Gu, Junsheng Zhou, Yi Chen
Meanwhile, we design a class multiple distributions consistency strategy to construct discriminative multiple distribution representations of embedded pixels.
no code implementations • 12 Oct 2022 • Di Tang, Rui Zhu, XiaoFeng Wang, Haixu Tang, Yi Chen
With extensive studies on backdoor attack and detection, still fundamental questions are left unanswered regarding the limits in the adversary's capability to attack and the defender's capability to detect.
no code implementations • 7 Sep 2022 • Chong Han, Yongzhi Wu, Zhi Chen, Yi Chen, Guangjian Wang
In this article, challenges from THz channel and transceiver perspectives, as well as difficulties of ISAC are elaborated.
no code implementations • 17 May 2022 • Yi Chen, Jing Dong, Xin T. Tong
Based on three different scenarios, we propose simulation-based algorithms that can utilize a small amount of outsourced data to find good initial points accordingly.
no code implementations • 24 Mar 2022 • Kun Xiao, Pengju Li, Guohui Wang, Zhi Li, Yi Chen, Yongfeng Xie, Yuqiang Fang
Event camera is a new type of sensor that is different from traditional cameras.
no code implementations • 23 Mar 2022 • Kun Xiao, Guohui Wang, Yi Chen, Jinghong Nan, Yongfeng Xie
The trigger event is the change of the brightness irradiated on the pixel.
1 code implementation • 28 Jan 2022 • Bruno Hexsel, Heethesh Vhavle, Yi Chen
We propose a new Doppler velocity objective function that exploits the compatibility of each point's Doppler measurement and the sensor's current motion estimate.
1 code implementation • 16 Dec 2021 • Junfan Wang, Yi Chen, Mingyu Gao, Zhekang Dong
Moreover, in practical application, it is difficult for common methods to improve the detection accuracy of multi-scale traffic signs while ensuring real-time detection.
1 code implementation • 2 Dec 2021 • Wenkai Chen, Chuang Zhu, Yi Chen, Mengting Li, Tiejun Huang
Imperfect labels are ubiquitous in real-world datasets and seriously harm the model performance.
Ranked #1 on Learning with noisy labels on CIFAR-100N
1 code implementation • 1 Dec 2021 • Kun Xiao, Guohui Wang, Yi Chen, Yongfeng Xie, Hong Li, Sen Li
The experiment results show that our method can achieve better performance in most sequences compared with the state-of-the-art event frame based SLAM algorithm.
no code implementations • 28 Jul 2021 • Xuan Mai, Quanzhi Fu, Yi Chen
Packet routing is a fundamental problem in communication networks that decides how the packets are directed from their source nodes to their destination nodes through some intermediate nodes.
no code implementations • 19 Jul 2021 • Mingqi Yuan, Mon-on Pun, Dong Wang, Yi Chen, Haojun Li
Furthermore, we leverage a variational auto-encoder (VAE) model to capture the life-long novelty of states, which is combined with the global JFI score to form multimodal intrinsic rewards.
no code implementations • 13 Jun 2021 • Xiaopeng Jiang, Shuai Zhao, Guy Jacobson, Rittwik Jana, Wen-Ling Hsu, Manoop Talasila, Syed Anwar Aftab, Yi Chen, Cristian Borcea
The framework runs on the phones of the users and also on a server that coordinates learning from all users in the system.
no code implementations • 29 Jan 2021 • Yi Chen, Yuanbo Li, Chong Han, Ziming Yu, Guangjian Wang
Numerical results demonstrate that the proposed hybrid channel model shows good agreement with the measurement and outperforms the conventional statistical and geometric-based stochastic channel model in terms of the temporal-spatial characteristics.
Information Theory Information Theory
no code implementations • 26 Jan 2021 • Yi Chen, Jing Dong, Zhaoran Wang
In many operations management problems, we need to make decisions sequentially to minimize the cost while satisfying certain constraints.
Optimization and Control
no code implementations • 21 Jan 2021 • Yi Chen, Aimin Zhou
For example, a variable of portfolio problem can be divided into two partial variables, i. e. the selection of assets and the allocation of capital.
no code implementations • 30 Dec 2020 • Mingqi Yuan, Qi Cao, Man-on Pun, Yi Chen
In this work, we develop practical user scheduling algorithms for downlink bursty traffic with emphasis on user fairness.
1 code implementation • 24 Nov 2020 • Qiao Tian, Yi Chen, Zewang Zhang, Heng Lu, LingHui Chen, Lei Xie, Shan Liu
On one hand, we propose to discriminate ground-truth waveform from synthetic one in frequency domain for offering more consistency guarantees instead of only in time domain.
1 code implementation • 5 Sep 2020 • Fangfang Zhou, Yong Zhao, Wenjiang Chen, Yijing Tan, Yaqi Xu, Yi Chen, Chao Liu, Ying Zhao
Reverse-engineering bar charts extracts textual and numeric information from the visual representations of bar charts to support application scenarios that require the underlying information.
no code implementations • 4 Sep 2020 • Yining Wang, Yi Chen, Ethan X. Fang, Zhaoran Wang, Runze Li
We consider the stochastic contextual bandit problem under the high dimensional linear model.
no code implementations • 20 Aug 2020 • Jinhe Shi, Xiangyu Gao, Chenyu Ha, Yage Wang, Guodong Gao, Yi Chen
Adverse drug events (ADEs) are a serious health problem that can be life-threatening.
no code implementations • ICLR 2019 • Yi Chen, Jinglin Chen, Jing Dong, Jian Peng, Zhaoran Wang
To attain the advantages of both regimes, we propose to use replica exchange, which swaps between two Langevin diffusions with different temperatures.
1 code implementation • 16 May 2020 • Aibek Musaev, Jiangping Wang, Liang Zhu, Cheng Li, Yi Chen, Jialin Liu, Wanqi Zhang, Juan Mei, De Wang
In addition, we describe an illustrative example of the use of this dataset for tracking participants based on a head tracking model in an effort to minimize errors due to occlusion.
no code implementations • 19 Sep 2019 • Yi Chen, Aimin Zhou, Swagatam Das
Consequently, we point out one challenge, faced by a direct coding scheme for MOEAs, to this problem.
no code implementations • NeurIPS 2018 • Yi Chen, Zhuoran Yang, Yuchen Xie, Princeton Zhaoran Wang
In this paper, we study a semiparametric model where the pairwise measurements follow a natural exponential family distribution with an unknown base measure.
no code implementations • 11 Jun 2016 • Naima Kaabouch, Wen-Chen Hu, Yi Chen
Asymmetry analysis based on the overlapping of thermal images proved able to detect inflammation and, predict foot ulceration.
no code implementations • 22 Sep 2015 • Yi Chen, Enyi Yao, Arindam Basu
The chip is verified with neural data recorded in monkey finger movements experiment, achieving a decoding accuracy of 99. 3% for movement type.
no code implementations • 8 Nov 2011 • Yi Chen, Umamahesh Srinivas, Thong T. Do, Vishal Monga, Trac. D. Tran
We propose a probabilistic graphical model framework to explicitly mine the conditional dependencies between these distinct sparse local features.