1 code implementation • Findings (ACL) 2022 • Le Qi, Shangwen Lv, Hongyu Li, Jing Liu, Yu Zhang, Qiaoqiao She, Hua Wu, Haifeng Wang, Ting Liu
Open-domain question answering has been used in a wide range of applications, such as web search and enterprise search, which usually takes clean texts extracted from various formats of documents (e. g., web pages, PDFs, or Word documents) as the information source.
no code implementations • 9 Jan 2023 • Hongyu Li, Shanpu Shen, Matteo Nerini, Bruno Clerckx
Reconfigurable intelligent surface (RIS) has been envisioned as a promising technique to enable and enhance future wireless communications due to its potential to engineer the wireless channels in a cost-effective manner.
no code implementations • 9 Jan 2023 • Bowen Wang, Hongyu Li, Ziyang Cheng, Shanpu Shen, Bruno Clerckx
This work focuses on the use of reconfigurable intelligent surface (RIS) in dual-function radar-communication (DFRC) systems to improve communication capacity and sensing precision, and enhance coverage for both functions.
no code implementations • 19 Oct 2022 • Ziang Liu, Sundar Aditya, Hongyu Li, Bruno Clerckx
Integrated sensing and communication (ISAC) has been envisioned as a solution to realize the sensing capability required for emerging applications in wireless networks, while efficiently utilizing the available spectral, hardware and energy resources.
no code implementations • 5 Oct 2022 • Hongyu Li, Shanpu Shen, Bruno Clerckx
Beyond diagonal reconfigurable intelligent surface (BD-RIS) is a novel branch of RIS which breaks through the limitation of traditional RIS with diagonal scattering matrices.
no code implementations • 18 Sep 2022 • Hongyu Li, Zhengang Li, Neset Unver Akmandor, Huaizu Jiang, Yanzhi Wang, Taskin Padir
Obstacle detection is a safety-critical problem in robot navigation, where stereo matching is a popular vision-based approach.
no code implementations • 11 Sep 2022 • Bowen Wang, Hongyu Li, Ziyang Cheng
This paper investigates dynamic hybrid beamforming (HBF) for a dual-function radar-communication (DFRC) system, where the DFRC base station (BS) simultaneously serves multiple single-antenna users and senses a target in the presence of multiple clutters.
no code implementations • 1 Sep 2022 • Hongyu Li, Shanpu Shen, Bruno Clerckx
With the proposed model, we first derive the scaling law of the received signal power for a multi-sector BD-RIS-assisted single-user system.
no code implementations • 8 Aug 2022 • Moritz Beller, Hongyu Li, Vivek Nair, Vijayaraghavan Murali, Imad Ahmad, Jürgen Cito, Drew Carlson, Ari Aye, Wes Dyer
Catching and attributing code change-induced performance regressions in production is hard; predicting them beforehand, even harder.
1 code implementation • ACM/IEEE International Conference on Information Processing in Sensor Networks (IPSN) 2022 • Hansi Liu, Abrar Alali, Mohamed Ibrahim, Bryan Bo Cao, Nicholas Meegan, Hongyu Li, Marco Gruteser, Shubham Jain, Kristin Dana, Ashwin Ashok, Bin Cheng, HongSheng Lu
In this paper, we present Vi-Fi, a multi-modal system that leverages a user’s smartphone WiFi Fine Timing Measurements (FTM) and inertial measurement unit (IMU) sensor data to associate the user detected on a camera footage with their corresponding smartphone identifier (e. g. WiFi MAC address).
no code implementations • 21 Jun 2022 • Hongyu Li, Jia Li, Xin Ren, Long Xu
Inspired by the haze formation process on Earth, we formulate a similar visual degradation process on clean images and synthesize dusty images sharing a similar feature distribution with realistic dusty images.
no code implementations • 4 May 2022 • Hongyu Li, Yijie Mao, Onur Dizdar, Bruno Clerckx
This letter is the third part of a three-part tutorial that focuses on rate-splitting multiple access (RSMA) for 6G.
1 code implementation • 20 Mar 2022 • Hongyu Li, Peng Jiang, Tiejun Wang
This paper further develops transfer learning strategies for this issue, that is, to transfer the model trained on data of one scenario to another.
2 code implementations • 19 Mar 2022 • Yifu Qiu, Hongyu Li, Yingqi Qu, Ying Chen, Qiaoqiao She, Jing Liu, Hua Wu, Haifeng Wang
In this paper, we present DuReader_retrieval, a large-scale Chinese dataset for passage retrieval.
1 code implementation • 11 Mar 2022 • Ximeng Ye, Hongyu Li, Peng Jiang, Tiejun Wang, Guoliang Qin
In decades, enormous computational resources are poured into solving the transient partial differential equations for multifarious physical fields.
1 code implementation • 15 Sep 2021 • Dong Zhao, Jia Li, Hongyu Li, Long Xu
In this paper, firstly, we propose a new complementary feature enhanced framework, in which the complementary features are learned by several complementary subtasks and then together serve to boost the performance of the primary task.
Ranked #1 on
Image Dehazing
on NH-HAZE
1 code implementation • ACL 2021 • Hongxuan Tang, Hongyu Li, Jing Liu, Yu Hong, Hua Wu, Haifeng Wang
Machine reading comprehension (MRC) is a crucial task in natural language processing and has achieved remarkable advancements.
no code implementations • 1 Mar 2021 • Trevor Bonjour, Marina Haliem, Aala Alsalem, Shilpa Thomas, Hongyu Li, Vaneet Aggarwal, Mayank Kejriwal, Bharat Bhargava
Monopoly is a popular strategic board game that requires players to make multiple decisions during the game.
no code implementations • 25 Dec 2020 • Wanning Yang, Hongyu Li, Ming Li, Yang Liu, Qian Liu
Different from the prior works which assume that IRS has an ideal reflection model, we perform channel estimation by considering amplitude-phase shift-frequency relationship for the response of practical IRS.
no code implementations • Asian Chapter of the Association for Computational Linguistics 2020 • Hongyu Li, Tengyang Chen, Shuting Bai, Takehito Utsuro, Yasuhide Kawada
Models developed for Machine Reading Comprehension (MRC) are asked to predict an answer from a question and its related context.
no code implementations • 21 Oct 2020 • Shutang You, Yilu Liu, Hongyu Li, Shengyuan Liu, Kaiqi Sun, Yinfeng Zhao, Huangqing Xiao, Jiaojiao Dong, Yu Su, Weikang Wang, Yi Cui
Power grid data are going big with the deployment of various sensors.
no code implementations • 21 Oct 2020 • Shutang You, Hongyu Li, Shengyuan Liu, Kaiqi Sun, Weikang Wang, Wei Qiu, Yilu Liu
The power system frequency is important for the system overall stability.
no code implementations • 26 Jul 2020 • Hongyu Li, Wenhao Cai, Yang Liu, Ming Li, Qian Liu, Qingqing Wu
Simulation results demonstrate that the proposed algorithm can offer significant average sum-rate enhancement compared to that achieved using the ideal IRS reflection model, which confirms the importance of the use of the practical model for the design of wideband systems.
no code implementations • 23 Jul 2020 • Hongyu Li, Jihe Wang, Yu Zhang, Zi-Rui Wang, Tiejun Wang
In CovEval, a different matching process based on the idea of covering box matching is adopted for this issue.
no code implementations • WS 2020 • Tengyang Chen, Hongyu Li, Miho Kasamatsu, Takehito Utsuro, Yasuhide Kawada
Considering such a situation within the field of the non-factoid QA, this paper aims to develop a dataset for training Japanese how-to tip QA models.
no code implementations • 2 Jun 2020 • Wenhao Cai, Hongyu Li, Ming Li, Qian Liu
In this letter, we aim to investigate the phase-amplitude-frequency relationship of the reflected signals and propose a practical model of reflection coefficient for an IRS-aided wideband system.
no code implementations • 22 May 2020 • Hongyu Li, Xiaogang Huang, Zhihui Fu, Xiaolin Li
Preserving original noise residuals in images are critical to image fraud identification.
3 code implementations • 23 Apr 2020 • Hongxuan Tang, Hongyu Li, Jing Liu, Yu Hong, Hua Wu, Haifeng Wang
Machine reading comprehension (MRC) is a crucial task in natural language processing and has achieved remarkable advancements.
no code implementations • 5 Feb 2020 • Hongyu Li, Dan Meng, Hong Wang, Xiaolin Li
With strict protections and regulations of data privacy and security, conventional machine learning based on centralized datasets is confronted with significant challenges, making artificial intelligence (AI) impractical in many mission-critical and data-sensitive scenarios, such as finance, government, and health.
no code implementations • 3 Feb 2020 • Hongyu Li, Zifei Liang, Chaoyi Zhang, Ruiying Liu, Jing Li, Weihong Zhang, Dong Liang, Bowen Shen, Xiaoliang Zhang, Yulin Ge, Jiangyang Zhang, Leslie Ying
We also demonstrate that the trained neural network is robust to noise and motion in the testing data, and the network trained using healthy volunteer data can be directly applied to stroke patient data without compromising the lesion detectability.
1 code implementation • WS 2019 • Hongyu Li, Xiyuan Zhang, Yibing Liu, Yiming Zhang, Quan Wang, Xiangyang Zhou, Jing Liu, Hua Wu, Haifeng Wang
In this paper, we introduce a simple system Baidu submitted for MRQA (Machine Reading for Question Answering) 2019 Shared Task that focused on generalization of machine reading comprehension (MRC) models.
no code implementations • 3 Sep 2019 • Rang Liu, Hongyu Li, Ming Li, Qian Liu
In this paper we investigate the problem of precoder design for a low-resolution IRS-based transmitter to implement multi-user MISO/MIMO wireless communications.
no code implementations • 22 Aug 2019 • Hongyu Li, Tianqi Han
Federated learning is a distributed learning method to train a shared model by aggregating the locally-computed gradient updates.
no code implementations • 5 Jun 2019 • Hongyu Li, Fan Zhu, Junhua Qiu
Firstly, since document image quality assessment is more interested in text, we propose a text line based framework to estimate document image quality, which is composed of three stages: text line detection, text line quality prediction, and overall quality assessment.
2 code implementations • 9 May 2019 • Jose Cambronero, Hongyu Li, Seohyun Kim, Koushik Sen, Satish Chandra
Our evaluation shows that: 1. adding supervision to an existing unsupervised technique can improve performance, though not necessarily by much; 2. simple networks for supervision can be more effective that more sophisticated sequence-based networks for code search; 3. while it is common to use docstrings to carry out supervision, there is a sizeable gap between the effectiveness of docstrings and a more query-appropriate supervision corpus.
no code implementations • 11 Jul 2018 • Hongyu Li, Fan Zhu, Junhua Qiu
Document image quality assessment (DIQA) is an important and challenging problem in real applications.
no code implementations • IEEE Transactions on Image Processing 2014 • Lin Zhang, Ying Shen, Hongyu Li
First, VS is used as a feature when computing the local quality map of the distorted image.
Ranked #7 on
Video Quality Assessment
on MSU FR VQA Database
no code implementations • IEEE International Conference on Image Processing 2012 • Lin Zhang, Hongyu Li
Automatic image quality assessment (IQA) attempts to use computational models to measure the image quality in consistency with subjective ratings.
Ranked #9 on
Video Quality Assessment
on MSU FR VQA Database