no code implementations • 21 Dec 2024 • Yu Luo, Lina Pu, Junming Diao, Chun-Hung Liu, Aijun Song
This article explores the potential of underwater acoustic reconfigurable intelligent surfaces (UA-RIS) for facilitating long-range and eco-friendly communication in marine environments.
no code implementations • 3 Dec 2024 • Kai Sun, Siyan Xue, Fuchun Sun, Haoran Sun, Yu Luo, Ling Wang, Siyuan Wang, Na Guo, Lei Liu, Tian Zhao, Xinzhou Wang, Lei Yang, Shuo Jin, Jun Yan, Jiahong Dong
Recent advancements in deep learning have significantly revolutionized the field of clinical diagnosis and treatment, offering novel approaches to improve diagnostic precision and treatment efficacy across diverse clinical domains, thus driving the pursuit of precision medicine.
no code implementations • 19 Nov 2024 • Yu Luo, Lina Pu, Aijun Song
Furthermore, with a fixed communication distance, positioning the UA-RIS at the transmitter side substantially boosts data rates, with an average increase of 63. 8% and peaks up to 96%.
1 code implementation • 26 Jun 2024 • Yu Luo, Fuchun Sun, Tianying Ji, Xianyuan Zhan
Hierarchical reinforcement learning (HRL) addresses complex long-horizon tasks by skillfully decomposing them into subgoals.
Hierarchical Reinforcement Learning reinforcement-learning +1
1 code implementation • 1 Jun 2024 • Xueying Zeng, Baixiang Huang, Yu Luo, Guangyu Wei, Songyan He, Yushuang Shao
Coronary artery disease (CAD) is one of the most prevalent diseases in the cardiovascular field and one of the major contributors to death worldwide.
1 code implementation • 29 May 2024 • Yu Luo, Tianying Ji, Fuchun Sun, Jianwei Zhang, Huazhe Xu, Xianyuan Zhan
Training reinforcement learning policies using environment interaction data collected from varying policies or dynamics presents a fundamental challenge.
1 code implementation • 28 May 2024 • Yu Luo, Tianying Ji, Fuchun Sun, Jianwei Zhang, Huazhe Xu, Xianyuan Zhan
Based on this insight, we present Offline-Boosted Actor-Critic (OBAC), a model-free online RL framework that elegantly identifies the outperforming offline policy through value comparison, and uses it as an adaptive constraint to guarantee stronger policy learning performance.
no code implementations • 9 May 2024 • Yue Cai, Yu Luo, Jie Ling, Shun Yao
Magnetic Resonance Imaging (MRI) is a widely used imaging technique, however it has the limitation of long scanning time.
no code implementations • 23 Apr 2024 • Tianwei Zhou, Songbai Tan, Wei Zhou, Yu Luo, Yuan-Gen Wang, Guanghui Yue
Specifically, inspired by the characteristics of the human visual system and motivated by the observation that "visual quality" and "authenticity" are characterized by both local and global aspects, AMFF-Net scales the image up and down and takes the scaled images and original-sized image as the inputs to obtain multi-scale features.
no code implementations • 2 Apr 2024 • Xu Li, Ruiqi Sun, Jiameng Lv, Peng Jia, Nan Li, Chengliang Wei, Zou Hu, Xinzhong Er, Yun Chen, Zhang Ban, Yuedong Fang, Qi Guo, Dezi Liu, Guoliang Li, Lin Lin, Ming Li, Ran Li, Xiaobo Li, Yu Luo, Xianmin Meng, Jundan Nie, Zhaoxiang Qi, Yisheng Qiu, Li Shao, Hao Tian, Lei Wang, Wei Wang, Jingtian Xian, Youhua Xu, Tianmeng Zhang, Xin Zhang, Zhimin Zhou
To overcome these challenges, we have developed a framework based on a hierarchical visual Transformer with a sliding window technique to search for strong lensing systems within entire images.
no code implementations • 22 Feb 2024 • Tianying Ji, Yongyuan Liang, Yan Zeng, Yu Luo, Guowei Xu, Jiawei Guo, Ruijie Zheng, Furong Huang, Fuchun Sun, Huazhe Xu
The varying significance of distinct primitive behaviors during the policy learning process has been overlooked by prior model-free RL algorithms.
1 code implementation • 19 Jan 2024 • Xiangshuo Qiao, Xianxin Li, Xiaozhe Qu, Jie Zhang, Yang Liu, Yu Luo, Cihang Jin, Jin Ma
Differently, video covers in short video search scenarios are presented as user-originated contents that provide important visual summaries of videos.
Ranked #1 on Image Retrieval on CBVS
no code implementations • 8 Dec 2023 • Anbo Cao, Pin-Yu Le, Zhonghui Qie, Haseeb Hassan, Yingwei Guo, Asim Zaman, Jiaxi Lu, Xueqiang Zeng, Huihui Yang, Xiaoqiang Miao, Taiyu Han, Guangtao Huang, Yan Kang, Yu Luo, Jia Guo
The results indicate that the network can accurately estimate perfusion parameters, including cerebral blood volume (CBV), cerebral blood flow (CBF), and time to maximum of the residual function (Tmax).
2 code implementations • 1 Nov 2023 • Haihao Shen, Hanwen Chang, Bo Dong, Yu Luo, Hengyu Meng
Large language models (LLMs) have demonstrated remarkable performance and tremendous potential across a wide range of tasks.
2 code implementations • 30 Oct 2023 • Guowei Xu, Ruijie Zheng, Yongyuan Liang, Xiyao Wang, Zhecheng Yuan, Tianying Ji, Yu Luo, Xiaoyu Liu, Jiaxin Yuan, Pu Hua, Shuzhen Li, Yanjie Ze, Hal Daumé III, Furong Huang, Huazhe Xu
To quantify this inactivity, we adopt dormant ratio as a metric to measure inactivity in the RL agent's network.
no code implementations • 20 Aug 2023 • Yu Luo, Lina Pu, Jun Wang, Isaac Howard
The experimental results indicate that an active RF-SN embedded in concrete at a depth of 13. 5 cm can be effectively powered by a 915MHz mobile radio transmitter with an effective isotropic radiated power (EIRP) of 32. 5dBm.
1 code implementation • 28 Jun 2023 • Haihao Shen, Hengyu Meng, Bo Dong, Zhe Wang, Ofir Zafrir, Yi Ding, Yu Luo, Hanwen Chang, Qun Gao, Ziheng Wang, Guy Boudoukh, Moshe Wasserblat
We apply our sparse accelerator on widely-used Transformer-based language models including Bert-Mini, DistilBERT, Bert-Base, and BERT-Large.
1 code implementation • 5 Jun 2023 • Tianying Ji, Yu Luo, Fuchun Sun, Xianyuan Zhan, Jianwei Zhang, Huazhe Xu
We find that such a long-neglected phenomenon is often related to the use of inferior actions from the current policy in Bellman updates as compared to the more optimal action samples in the replay buffer.
1 code implementation • CVPR 2023 • Zhenghua Peng, Yu Luo, Tianshui Chen, Keke Xu, Shuangping Huang
In this work, we find tokens/sequences with high perception and semantic correlations with the target ones contain more correlated and effective information and thus facilitate more effective regularization.
no code implementations • 13 Mar 2023 • Shuangping Huang, Yu Luo, Zhenzhou Zhuang, Jin-Gang Yu, Mengchao He, Yongpan Wang
Despite the success of deep neural network (DNN) on sequential data (i. e., scene text and speech) recognition, it suffers from the over-confidence problem mainly due to overfitting in training with the cross-entropy loss, which may make the decision-making less reliable.
1 code implementation • 15 Oct 2022 • Tianying Ji, Yu Luo, Fuchun Sun, Mingxuan Jing, Fengxiang He, Wenbing Huang
Our follow-up derived bounds reveal the relationship between model shifts and performance improvement.
Model-based Reinforcement Learning reinforcement-learning +2
no code implementations • COLING 2022 • Xinyu Zuo, Haijin Liang, Ning Jing, Shuang Zeng, Zhou Fang, Yu Luo
On the other hand, we design a constrained contrastive strategy on the hierarchical structure to directly model the type differences, which can simultaneously perceive the distinguishability between types at different granularity.
1 code implementation • 5 Aug 2022 • Bingning Wang, Feiyang Lv, Ting Yao, Yiming Yuan, Jin Ma, Yu Luo, Haijin Liang
However, in most of the public visual question answering datasets such as VQA, CLEVR, the questions are human generated that specific to the given image, such as `What color are her eyes?'.
no code implementations • 27 Oct 2021 • Chun-Hung Liu, Kai-Ten Feng, Lu Wei, Yu Luo
The STFL model not only represents the realistic intermittent learning behavior from the edge server to the mobile devices due to data delivery outage, but also features a mechanism of compensating loss learning updates in order to mitigate the impacts of intermittent learning.
no code implementations • 1 Jan 2021 • Xin Ma, Zhicheng Zhang, Danfeng Wang, Yu Luo, Hui Yuan
In deep learning-based local stereo matching methods, larger image patches usually bring better stereo matching accuracy.
no code implementations • 17 Dec 2020 • Hao Hu, Xiao Lin, Liang Jie Wong, Qianru Yang, Baile Zhang, Yu Luo
Recent advances in engineered material technologies (e. g., photonic crystals, metamaterials, plasmonics, etc) provide valuable tools to control Cherenkov radiation.
Optics
no code implementations • 16 Jul 2019 • Guangxi Li, Youle Wang, Yu Luo, Yuan Feng
We propose a quantum data fitting algorithm for non-sparse matrices, which is based on the Quantum Singular Value Estimation (QSVE) subroutine and a novel efficient method for recovering the signs of eigenvalues.
no code implementations • 3 Dec 2018 • Aman Verma, Guido Powell, Yu Luo, David Stephens, David L. Buckeridge
Modeling disease progression in healthcare administrative databases is complicated by the fact that patients are observed only at irregular intervals when they seek healthcare services.
1 code implementation • 28 Aug 2018 • Yu Luo, Jianbo Ye, Reginald B. Adams, Jr., Jia Li, Michelle G. Newman, James Z. Wang
A system to model the emotional expressions based on bodily movements, named ARBEE (Automated Recognition of Bodily Expression of Emotion), has also been developed and evaluated.
no code implementations • ICCV 2015 • Yu Luo, Yong Xu, Hui Ji
The paper aims at developing an effective algorithm to remove visual effects of rain from a single rainy image, i. e. separate the rain layer and the de-rained image layer from an rainy image.
no code implementations • CVPR 2014 • Yuhui Quan, Yong Xu, Yuping Sun, Yu Luo
Based on the concept of lacunarity in fractal geometry, we developed a statistical approach to texture description, which yields highly discriminative feature with strong robustness to a wide range of transformations, including photometric changes and geometric changes.