activity
20122023
most citedCTformer: Convolution-free Token2Token Dilated Vision Transformer for Low-dose CT Denoising

249 citations · 793 across the 63 of their papers we have counts for

collaborators

63 papers

cs.CV2023

Elevating Skeleton-Based Action Recognition with Efficient Multi-Modality Self-Supervision

Yiping Wei, Kunyu Peng, Alina Roitberg +6

Self-supervised representation learning for human action recognition has developed rapidly in recent years. Most of the existing works are based on skeleton data while using a mult…

cs.LG2023★ 6 cited

Explainable AI for tool wear prediction in turning

Saleh Valizadeh Sotubadi, Rui Liu, Vinh Neguyen

This research aims develop an Explainable Artificial Intelligence (XAI) framework to facilitate human-understandable solutions for tool wear prediction during turning. A random for…

math.NA2023

An unconditional boundary and dynamics preserving scheme for the stochastic epidemic model

Ruishu Liu, Xiaojie Wang, Lei Dai

In the present article, we construct a logarithm transformation based Milstein-type method for the stochastic susceptible-infected-susceptible (SIS) epidemic model evolving in the…

cs.CV2023★ 1 cited

Open Scene Understanding: Grounded Situation Recognition Meets Segment Anything for Helping People with Visual Impairments

Ruiping Liu, Jiaming Zhang, Kunyu Peng +5

Grounded Situation Recognition (GSR) is capable of recognizing and interpreting visual scenes in a contextually intuitive way, yielding salient activities (verbs) and the involved…

cs.RO2023★ 1 cited

Tightly-Coupled LiDAR-Visual SLAM Based on Geometric Features for Mobile Agents

Ke Cao, Ruiping Liu, Ze Wang +6

The mobile robot relies on SLAM (Simultaneous Localization and Mapping) to provide autonomous navigation and task execution in complex and unknown environments. However, it is hard…

eess.SP2023★ 1 cited

Energy Minimization for Active RIS-Aided UAV-Enabled SWIPT Systems

Zhangjie Peng, Ruijing Liu, Cunhua Pan +2

In this paper, we consider an active reconfigurable intelligent surface (RIS)-aided unmanned aerial vehicle(UAV)-enabled simultaneous wireless information and power transfer(SWIPT)…

cs.RO2023

Utility Theory based Cognitive Modeling in the Application of Robotics: A Survey

Qin Yang

Cognitive modeling, which explores the essence of cognition, including motivation, emotion, and perception, has been widely applied in the artificial intelligence (AI) agent domain…

cs.LG2023

Distributed TD(0) with Almost No Communication

Rui Liu, Alex Olshevsky

We provide a new non-asymptotic analysis of distributed temporal difference learning with linear function approximation. Our approach relies on ``one-shot averaging,'' where ag…

astro-ph.IM2023★ 32 cited

The Lobster Eye Imager for Astronomy Onboard the SATech-01 Satellite

Z. X. Ling, X. J. Sun, C. Zhang +122

The Lobster Eye Imager for Astronomy (LEIA), a pathfinder of the Wide-field X-ray Telescope of the Einstein Probe (EP) mission, was successfully launched onboard the SATech-01 sate…

cs.NI2023★ 12 cited

Lightweight privacy-preserving truth discovery for vehicular air quality monitoring

Rui Liu, Jianping Pan

Air pollution has become a global concern for many years. Vehicular crowdsensing systems make it possible to monitor air quality at a fine granularity. To better utilize the sensor…

astro-ph.SR2023★ 29 cited

Complete replacement of magnetic flux in a flux rope during a coronal mass ejection

Tingyu Gou, Rui Liu, Astrid M. Veronig +5

Solar coronal mass ejections are the most energetic events in the Solar System. In their standard formation model, a magnetic flux rope builds up into a coronal mass ejection throu…

cs.IR2023★ 3 cited

PerCoNet: News Recommendation with Explicit Persona and Contrastive Learning

Rui Liu, Bin Yin, Ziyi Cao +3

Personalized news recommender systems help users quickly find content of their interests from the sea of information. Today, the mainstream technology for personalized news recomme…

astro-ph.SR2023★ 65 cited

The Solar Upper Transition Region Imager (SUTRI) onboard the SATech-01 satellite

Xianyong Bai, Hui Tian, Yuanyong Deng +56

The Solar Upper Transition Region Imager (SUTRI) onboard the Space Advanced Technology demonstration satellite (SATech-01), which was launched to a sun-synchronous orbit at a heigh…

cs.CV2023★ 5 cited

Delivering Arbitrary-Modal Semantic Segmentation

Jiaming Zhang, Ruiping Liu, Hao Shi +6

Multimodal fusion can make semantic segmentation more robust. However, fusing an arbitrary number of modalities remains underexplored. To delve into this problem, we create the DeL…

astro-ph.SR2022

Influence of magnetic reconnection on the eruptive catastrophes of coronal magnetic flux ropes

Quanhao Zhang, Xin Cheng, Rui Liu +3

Large-scale solar eruptive activities have a close relationship with coronal magnetic flux ropes. Previous numerical studies have found that the equilibrium of a coronal flux rope…

cs.CL2022

TegFormer: Topic-to-Essay Generation with Good Topic Coverage and High Text Coherence

Wang Qi, Rui Liu, Yuan Zuo +2

Creating an essay based on a few given topics is a challenging NLP task. Although several effective methods for this problem, topic-to-essay generation, have appeared recently, the…

cs.CV2022★ 1 cited

Learning Imbalanced Data with Vision Transformers

Zhengzhuo Xu, Ruikang Liu, Shuo Yang +2

The real-world data tends to be heavily imbalanced and severely skew the data-driven deep neural networks, which makes Long-Tailed Recognition (LTR) a massive challenging task. Exi…

astro-ph.SR2022★ 14 cited

Investigating pre-eruptive magnetic properties at the footprints of erupting magnetic flux ropes

Wensi Wang, Jiong Qiu, Rui Liu +4

It is well established that solar eruptions are powered by free magnetic energy stored in current-carrying magnetic field in the corona. It has also been generally accepted that ma…

astro-ph.SR2022★ 6 cited

Formation and Eruption of Hot Channels during an M6.5 Class Solar Flare

Yanjie Liu, Yingna Su, Rui Liu +3

We investigate the formation and eruption of hot channels associated with the M6.5 class flare (SOL2015-06-22T18:23) occurring in NOAA AR 12371 on 2015 June 22. Two flare precursor…

astro-ph.SR2022★ 21 cited

Solar Ring Mission: Building a Panorama of the Sun and Inner-heliosphere

Yuming Wang, Xianyong Bai, Changyong Chen +50

Solar Ring (SOR) is a proposed space science mission to monitor and study the Sun and inner heliosphere from a full 360° perspective in the ecliptic plane. It will deploy three 120…

cs.CL2022★ 2 cited

Learning from the Dictionary: Heterogeneous Knowledge Guided Fine-tuning for Chinese Spell Checking

Yinghui Li, Shirong Ma, Qingyu Zhou +7

Chinese Spell Checking (CSC) aims to detect and correct Chinese spelling errors. Recent researches start from the pretrained knowledge of language models and take multimodal inform…

astro-ph.SR2022★ 33 cited

FastQSL: A Fast Computation Method for Quasi-separatrix Layers

Peijin Zhang, Jun Chen, Rui Liu +1

Magnetic reconnection preferentially takes place at the intersection of two separatrices or two quasi-separatrix layers, which can be quantified by the squashing factor Q, whose ca…

cs.NI2022

Aiming in Harsh Environments: A New Framework for Flexible and Adaptive Resource Management

Jiaqi Zou, Rui Liu, Chenwei Wang +4

The harsh environment imposes a unique set of challenges on networking strategies. In such circumstances, the environmental impact on network resources and long-time unattended mai…

cs.LG2022★ 2 cited

Mitigating Data Redundancy to Revitalize Transformer-based Long-Term Time Series Forecasting System

Mingjie Li, Rui Liu, Guangsi Shi +5

Long-term time-series forecasting (LTSF) is fundamental to various real-world applications, where Transformer-based models have become the dominant framework due to their ability t…