activity
20152023
most citedOptimal Online Transmission Policy for Energy-Constrained Wireless-Powered Communication Networks

16 citations · 83 across the 18 of their papers we have counts for

collaborators

18 papers

cs.RO2023

Robust Navigation with Cross-Modal Fusion and Knowledge Transfer

Wenzhe Cai, Guangran Cheng, Lingyue Kong +2

Recently, learning-based approaches show promising results in navigation tasks. However, the poor generalization capability and the simulation-reality gap prevent a wide range of a…

cs.CV2023

LANDMARK: Language-guided Representation Enhancement Framework for Scene Graph Generation

Xiaoguang Chang, Teng Wang, Shaowei Cai +1

Scene graph generation (SGG) is a sophisticated task that suffers from both complex visual features and dataset long-tail problem. Recently, various unbiased strategies have been p…

cs.CV2022★ 6 cited

Transformer-Guided Convolutional Neural Network for Cross-View Geolocalization

Teng Wang, Shujuan Fan, Daikun Liu +1

Ground-to-aerial geolocalization refers to localizing a ground-level query image by matching it to a reference database of geo-tagged aerial imagery. This is very challenging due t…

cs.CV2022★ 3 cited

Biasing Like Human: A Cognitive Bias Framework for Scene Graph Generation

Xiaoguang Chang, Teng Wang, Changyin Sun +1

Scene graph generation is a sophisticated task because there is no specific recognition pattern (e.g., "looking at" and "near" have no conspicuous difference concerning vision, whe…

cs.RO2021

Multi-agent Soft Actor-Critic Based Hybrid Motion Planner for Mobile Robots

Zichen He, Lu Dong, Chunwei Song +1

In this paper, a novel hybrid multi-robot motion planner that can be applied under non-communication and local observable conditions is presented. The planner is model-free and can…

stat.ML2021★ 6 cited

Learning Temporally Causal Latent Processes from General Temporal Data

Weiran Yao, Yuewen Sun, Alex Ho +2

Our goal is to recover time-delayed latent causal variables and identify their relations from measured temporal data. Estimating causally-related latent variables from observations…

cs.RO2021★ 9 cited

A review of mobile robot motion planning methods: from classical motion planning workflows to reinforcement learning-based architectures

Lu Dong, Zichen He, Chunwei Song +1

Motion planning is critical to realize the autonomous operation of mobile robots. As the complexity and randomness of robot application scenarios increase, the planning capability…

cs.CV2021★ 8 cited

Multi-modal Visual Place Recognition in Dynamics-Invariant Perception Space

Lin Wu, Teng Wang, Changyin Sun

Visual place recognition is one of the essential and challenging problems in the fields of robotics. In this letter, we for the first time explore the use of multi-modal fusion of…

math.OC2019★ 2 cited

Contraction Analysis on Primal-Dual Gradient Optimization

Yanxu Su, Yang Shi, Changyin Sun

This paper analyzes the contraction of the primal-dual gradient optimization via contraction theory in the context of discrete-time updating dynamics. The contraction theory based…

math.OC2019

Distributed Model Predictive Control Under Inexact Primal-Dual Gradient Optimization Based on Contraction Analysis

Yanxu Su, Yang Shi, Changyin Sun

This paper develops a distributed model predictive control (DMPC) strategy for a class of discrete-time linear systems with consideration of globally coupled constraints. The DMPC…

cs.IT2019★ 16 cited

Optimal Online Transmission Policy for Energy-Constrained Wireless-Powered Communication Networks

Xian Li, Xiangyun Zhou, Derrick Wing Kwan Ng +1

This work considers the design of online transmission policy in a wireless-powered communication system with a given energy budget. The system design objective is to maximize the l…

cs.CV2018★ 2 cited

Discriminative multi-view Privileged Information learning for image re-ranking

Jun Li, Chang Xu, Wankou Yang +3

Conventional multi-view re-ranking methods usually perform asymmetrical matching between the region of interest (ROI) in the query image and the whole target image for similarity c…

eess.SY2018★ 2 cited

Cooperative Control of Multiple Agents with Unknown High-frequency Gain Signs under Unbalanced and Switching Topologies

Qingling Wang, Haris E. Psillakis, Changyin Sun

Existing results on cooperative control of multi-agent systems with unknown control directions require that the underlying topology is either fixed with a strongly connected graph…

cs.CV2018★ 3 cited

Inverse Visual Question Answering: A New Benchmark and VQA Diagnosis Tool

Feng Liu, Tao Xiang, Timothy M. Hospedales +2

In recent years, visual question answering (VQA) has become topical. The premise of VQA's significance as a benchmark in AI, is that both the image and textual question need to be…

cs.CV2017★ 2 cited

iVQA: Inverse Visual Question Answering

Feng Liu, Tao Xiang, Timothy M. Hospedales +2

We propose the inverse problem of Visual question answering (iVQA), and explore its suitability as a benchmark for visuo-linguistic understanding. The iVQA task is to generate a qu…

cs.CV2016★ 8 cited

Semantic Regularisation for Recurrent Image Annotation

Feng Liu, Tao Xiang, Timothy M. Hospedales +2

The "CNN-RNN" design pattern is increasingly widely applied in a variety of image annotation tasks including multi-label classification and captioning. Existing models use the weak…

cs.CV2016★ 16 cited

Crowd Counting via Weighted VLAD on Dense Attribute Feature Maps

Biyun Sheng, Chunhua Shen, Guosheng Lin +3

Crowd counting is an important task in computer vision, which has many applications in video surveillance. Although the regression-based framework has achieved great improvements f…

eess.SY2015

Direct Adaptive Controller for Uncertain MIMO Dynamic Systems with Time-varying Delay and Dead-zone Inputs

Zhijun Li, Ziting Chen, Jun Fu +1

This paper presents an adaptive tracking control method for a class of nonlinearly parameterized MIMO dynamic systems with time-varying delay and unknown nonlinear dead-zone inputs…