b'Kai Liu'

research

∙ 09/12/2023

On Regularized Sparse Logistic Regression

Sparse logistic regression aims to perform classification and feature se...

0 Mengyuan Zhang, et al. ∙

research

∙ 07/28/2023

Uncertainty-aware Unsupervised Multi-Object Tracking

Without manually annotated identities, unsupervised multi-object tracker...

0 Kai Liu, et al. ∙

research

∙ 04/29/2023

Physics-Guided Graph Neural Networks for Real-time AC/DC Power Flow Analysis

The increasing scale of alternating current and direct current (AC/DC) h...

0 Mei Yang, et al. ∙

research

∙ 03/23/2023

Pyramid Multi-branch Fusion DCNN with Multi-Head Self-Attention for Mandarin Speech Recognition

As one of the major branches of automatic speech recognition, attention-...

0 Kai Liu, et al. ∙

research

∙ 03/09/2023

X-SepFormer: End-to-end Speaker Extraction Network with Explicit Optimization on Speaker Confusion

Target speech extraction (TSE) systems are designed to extract target sp...

0 Kai Liu, et al. ∙

research

∙ 03/07/2023

Adaptive Weighted Multiview Kernel Matrix Factorization with its application in Alzheimer's Disease Analysis – A clustering Perspective

Recent technology and equipment advancements provide with us opportuniti...

0 Kai Liu, et al. ∙

research

∙ 02/19/2023

EdgeVO: An Efficient and Accurate Edge-based Visual Odometry

Visual odometry is important for plenty of applications such as autonomo...

0 Hui Zhao, et al. ∙

research

∙ 01/25/2023

A Provable Splitting Approach for Symmetric Nonnegative Matrix Factorization

The symmetric Nonnegative Matrix Factorization (NMF), a special but impo...

0 Xiao Li, et al. ∙

research

∙ 01/16/2023

Improving Target Speaker Extraction with Sparse LDA-transformed Speaker Embeddings

As a practical alternative of speech separation, target speaker extracti...

0 Kai Liu, et al. ∙

research

∙ 01/07/2023

Randomized Greedy Algorithms and Composable Coreset for k-Center Clustering with Outliers

In this paper, we study the problem of k-center clustering with outliers...

0 Hu Ding, et al. ∙

research

∙ 01/06/2023

Deep Biological Pathway Informed Pathology-Genomic Multimodal Survival Prediction

The integration of multi-modal data, such as pathological images and gen...

0 Lin Qiu, et al. ∙

research

∙ 01/04/2023

Multi-Task Learning with Prior Information

Multi-task learning aims to boost the generalization performance of mult...

0 Mengyuan Zhang, et al. ∙

research

∙ 10/31/2022

Enabling Digital Twin in Vehicular Edge Computing: A Multi-Agent Multi-Objective Deep Reinforcement Learning Solution

With recent advances in sensing technologies, wireless communications, a...

0 Xincao Xu, et al. ∙

research

∙ 10/07/2022

KAST: Knowledge Aware Adaptive Session Multi-Topic Network for Click-Through Rate Prediction

Capturing the evolving trends of user interest is important for both rec...

0 Dike Sun, et al. ∙

research

∙ 09/26/2022

Joint Task Offloading and Resource Optimization in NOMA-based Vehicular Edge Computing: A Game-Theoretic DRL Approach

Vehicular edge computing (VEC) becomes a promising paradigm for the deve...

0 Xincao Xu, et al. ∙

research

∙ 09/26/2022

Randomized Rank-Revealing QLP for Low-Rank Matrix Decomposition

The pivoted QLP decomposition is computed through two consecutive pivote...

0 Maboud F. Kaloorazi, et al. ∙

research

∙ 09/25/2022

Cooperative Sensing and Heterogeneous Information Fusion in VCPS: A Multi-agent Deep Reinforcement Learning Approach

Cooperative sensing and heterogeneous information fusion are critical to...

0 Xincao Xu, et al. ∙

research

∙ 09/24/2022

Joint Speech Activity and Overlap Detection with Multi-Exit Architecture

Overlapped speech detection (OSD) is critical for speech applications in...

0 Ziqing Du, et al. ∙

research

∙ 09/24/2022

Speech Enhancement with Perceptually-motivated Optimization and Dual Transformations

To address the monaural speech enhancement problem, numerous research st...

0 Xucheng Wan, et al. ∙

research

∙ 09/06/2022

Rethinking Symmetric Matrix Factorization: A More General and Better Clustering Perspective

Nonnegative matrix factorization (NMF) is widely used for clustering wit...

0 Mengyuan Zhang, et al. ∙

research

∙ 08/19/2022

CohortVA: A Visual Analytic System for Interactive Exploration of Cohorts based on Historical Data

In history research, cohort analysis seeks to identify social structures...

0 Wei Zhang, et al. ∙

research

∙ 08/07/2022

Maximum Correntropy Value Decomposition for Multi-agent Deep Reinforcemen Learning

We explore value decomposition solutions for multi-agent deep reinforcem...

0 Kai Liu, et al. ∙

research

∙ 07/31/2022

Age of View: A New Metric for Evaluating Heterogeneous Information Fusion in Vehicular Cyber-Physical Systems

Heterogeneous information fusion is one of the most critical issues for ...

0 Xincao Xu, et al. ∙

research

∙ 07/01/2022

Weakly-supervised High-fidelity Ultrasound Video Synthesis with Feature Decoupling

Ultrasound (US) is widely used for its advantages of real-time imaging, ...

10 Jiamin Liang, et al. ∙

research

∙ 06/04/2022

Occlusion-Resistant Instance Segmentation of Piglets in Farrowing Pens Using Center Clustering Network

Computer vision enables the development of new approaches to monitor the...

0 Endai Huang, et al. ∙

research

∙ 05/21/2022

Enriched Robust Multi-View Kernel Subspace Clustering

Subspace clustering is to find underlying low-dimensional subspaces and ...

0 Mengyuan Zhang, et al. ∙

research

∙ 04/10/2022

A review of knowledge graph application scenarios in cyber security

Facing the dynamic complex cyber environments, internal and external cyb...

0 Kai Liu, et al. ∙

research

∙ 03/25/2022

MKQ-BERT: Quantized BERT with 4-bits Weights and Activations

Recently, pre-trained Transformer based language models, such as BERT, h...

0 Hanlin Tang, et al. ∙

research

∙ 03/19/2022

Exploring the impact of spatiotemporal granularity on the demand prediction of dynamic ride-hailing

Dynamic demand prediction is a key issue in ride-hailing dispatching. Ma...

0 Kai Liu, et al. ∙

research

∙ 03/12/2022

Joint CNN and Transformer Network via weakly supervised Learning for efficient crowd counting

Currently, for crowd counting, the fully supervised methods via density ...

0 Fusen Wang, et al. ∙

research

∙ 03/08/2022

Dynamic Group Transformer: A General Vision Transformer Backbone with Dynamic Group Attention

Recently, Transformers have shown promising performance in various visio...

0 Kai Liu, et al. ∙

research

∙ 11/29/2021

Spherical Matrix Factorization

Matrix Factorization plays an important role in machine learning such as...

0 Kai Liu, et al. ∙

research

∙ 11/23/2021

Robust Principal Component Analysis: A Construction Error Minimization Perspective

In this paper we propose a novel optimization framework to systematicall...

0 Kai Liu, et al. ∙

research

∙ 03/14/2021

Exact Sparse Orthogonal Dictionary Learning

Over the past decade, learning a dictionary from input images for sparse...

0 Kai Liu, et al. ∙

research

∙ 11/25/2020

RRCN: A Reinforced Random Convolutional Network based Reciprocal Recommendation Approach for Online Dating

Recently, the reciprocal recommendation, especially for online dating ap...

0 Linhao Luo, et al. ∙

research

∙ 10/16/2020

RocketQA: An Optimized Training Approach to Dense Passage Retrieval for Open-Domain Question Answering

In open-domain question answering, dense passage retrieval has become a ...

0 Yingqi Qu Yuchen Ding, et al. ∙

research

∙ 05/23/2020

Vehicular Fog Computing Enabled Real-time Collision Warning via Trajectory Calibration

Vehicular fog computing (VFC) has been envisioned as a promising paradig...

0 Xincao Xu, et al. ∙

research

∙ 05/11/2020

Multi-band MelGAN: Faster Waveform Generation for High-Quality Text-to-Speech

In this paper, we propose multi-band MelGAN, a much faster waveform gene...

0 Geng Yang, et al. ∙

research

∙ 11/12/2019

Incentivized Exploration for Multi-Armed Bandits under Reward Drift

We study incentivized exploration for the multi-armed bandit (MAB) probl...

0 Zhiyuan Liu, et al. ∙

research

∙ 07/09/2019

Gated Multiple Feedback Network for Image Super-Resolution

The rapid development of deep learning (DL) has driven single image supe...

5 Qilei Li, et al. ∙

research

∙ 03/16/2019

Spherical Principal Component Analysis

Principal Component Analysis (PCA) is one of the most important methods ...

0 Kai Liu, et al. ∙

research

∙ 03/04/2019

Early Detection of Influenza outbreaks in the United States

Public health surveillance systems often fail to detect emerging infecti...

0 Kai Liu, et al. ∙

research

∙ 11/14/2018

Dropping Symmetry for Fast Symmetric Nonnegative Matrix Factorization

Symmetric nonnegative matrix factorization (NMF), a special but importan...

0 Zhihui Zhu, et al. ∙

research

∙ 11/11/2018

Deep Item-based Collaborative Filtering for Top-N Recommendation

Item-based Collaborative Filtering(short for ICF) has been widely adopte...

0 Feng Xue, et al. ∙

research

∙ 06/10/2018

Adaptations of ROUGE and BLEU to Better Evaluate Machine Reading Comprehension Task

Current evaluation metrics to question answering based machine reading c...

0 An Yang, et al. ∙

research

∙ 05/21/2018

VPH+ and MPC Combined Collision Avoidance for Unmanned Ground Vehicle in Unknown Environment

There are many situations for which an unmanned ground vehicle has to wo...

0 Kai Liu, et al. ∙

research

∙ 05/06/2018

Multi-Passage Machine Reading Comprehension with Cross-Passage Answer Verification

Machine reading comprehension (MRC) on real web data usually requires th...

0 Yizhong Wang, et al. ∙

research

∙ 04/21/2018

Spatial Image Steganography Based on Generative Adversarial Network

With the recent development of deep learning on steganalysis, embedding ...

0 Jianhua Yang, et al. ∙

research

∙ 01/30/2018

Asymptotic Analysis for Low-Resolution Massive MIMO Systems with MMSE Receiver

The uplink achievable rate of massive multiple- input-multiple-output (M...

0 Kai Liu, et al. ∙

research

∙ 11/14/2017

DuReader: a Chinese Machine Reading Comprehension Dataset from Real-world Applications

In this paper, we introduce DuReader, a new large-scale, open-domain Chi...

0 Wei He, et al. ∙

Kai Liu

Featured Co-authors