Search Results for author: Lin Li

Found 53 papers, 7 papers with code

Visual-aware Attention Dual-stream Decoder for Video Captioning

no code implementations16 Oct 2021 Zhixin Sun, Xian Zhong, Shuqin Chen, Lin Li, Luo Zhong

Video captioning is a challenging task that captures different visual parts and describes them in sentences, for it requires visual and linguistic coherence.

Video Captioning Video Description

DG-Labeler and DGL-MOTS Dataset: Boost the Autonomous Driving Perception

no code implementations15 Oct 2021 Yiming Cui, Zhiwen Cao, Yixin Xie, Xingyu Jiang, Feng Tao, Yingjie Chen, Lin Li, Dongfang Liu

The existing MOTS studies face two critical challenges: 1) the published datasets inadequately capture the real-world complexity for network training to address various driving settings; 2) the working pipeline annotation tool is under-studied in the literature to improve the quality of MOTS learning examples.

Autonomous Driving Multi-Object Tracking +1

An Automated Portfolio Trading System with Feature Preprocessing and Recurrent Reinforcement Learning

no code implementations11 Oct 2021 Lin Li

We propose a novel portfolio trading system, which contains a feature preprocessing module and a trading module.

Financial Trading with Feature Preprocessing and Recurrent Reinforcement Learning

no code implementations11 Sep 2021 Lin Li

Financial trading aims to build profitable strategies to make wise investment decisions in the financial market.

Hyper Meta-Path Contrastive Learning for Multi-Behavior Recommendation

no code implementations7 Sep 2021 Haoran Yang, Hongxu Chen, Lin Li, Philip S. Yu, Guandong Xu

They utilize simple and fixed schemes, like neighborhood information aggregation or mathematical calculation of vectors, to fuse the embeddings of different user behaviors to obtain a unified embedding to represent a user's behavioral patterns which will be used in downstream recommendation tasks.

Contrastive Learning Multi-Task Learning +1

XMUSPEECH System for VoxCeleb Speaker Recognition Challenge 2021

no code implementations6 Sep 2021 Jie Wang, Fuchuang Tong, Zhicong Chen, Lin Li, Qingyang Hong, Haodong Zhou

This paper describes the XMUSPEECH speaker recognition and diarisation systems for the VoxCeleb Speaker Recognition Challenge 2021.

Speaker Recognition

Instance-wise or Class-wise? A Tale of Neighbor Shapley for Concept-based Explanation

no code implementations3 Sep 2021 Jiahui Li, Kun Kuang, Lin Li, Long Chen, Songyang Zhang, Jian Shao, Jun Xiao

Deep neural networks have demonstrated remarkable performance in many data-driven and prediction-oriented applications, and sometimes even perform better than humans.

Medical Diagnosis

Approximation Properties of Deep ReLU CNNs

no code implementations1 Sep 2021 Juncai He, Lin Li, Jinchao Xu

This paper is devoted to establishing $L^2$ approximation properties for deep ReLU convolutional neural networks (CNNs) on two-dimensional space.

A Novel Dataset for Keypoint Detection of quadruped Animals from Images

1 code implementation31 Aug 2021 Prianka Banik, Lin Li, Xishuang Dong

In this paper, we studied the problem of localizing a generic set of keypoints across multiple quadruped or four-legged animal species from images.

Keypoint Detection

Learning Joint Embedding with Modality Alignments for Cross-Modal Retrieval of Recipes and Food Images

no code implementations9 Aug 2021 Zhongwei Xie, Ling Liu, Lin Li, Luo Zhong

This paper presents a three-tier modality alignment approach to learning text-image joint embedding, coined as JEMA, for cross-modal retrieval of cooking recipes and food images.

Cross-Modal Retrieval

Learning TFIDF Enhanced Joint Embedding for Recipe-Image Cross-Modal Retrieval Service

no code implementations2 Aug 2021 Zhongwei Xie, Ling Liu, Yanzhao Wu, Lin Li, Luo Zhong

We present a Multi-modal Semantics enhanced Joint Embedding approach (MSJE) for learning a common feature space between the two modalities (text and image), with the ultimate goal of providing high-performance cross-modal retrieval services.

Cross-Modal Retrieval

Efficient Deep Feature Calibration for Cross-Modal Joint Embedding Learning

no code implementations2 Aug 2021 Zhongwei Xie, Ling Liu, Lin Li, Luo Zhong

This paper introduces a two-phase deep feature calibration framework for efficient learning of semantics enhanced text-image cross-modal joint embedding, which clearly separates the deep feature calibration in data preprocessing from training the joint embedding model.

Feature Engineering

OLR 2021 Challenge: Datasets, Rules and Baselines

no code implementations23 Jul 2021 Binling Wang, Wenxuan Hu, Jing Li, Yiming Zhi, Zheng Li, Qingyang Hong, Lin Li, Dong Wang, Liming Song, Cheng Yang

In addition to the Language Identification (LID) tasks, multilingual Automatic Speech Recognition (ASR) tasks are introduced to OLR 2021 Challenge for the first time.

automatic-speech-recognition Language Identification +1

Oriental Language Recognition (OLR) 2020: Summary and Analysis

no code implementations5 Jul 2021 Jing Li, Binling Wang, Yiming Zhi, Zheng Li, Lin Li, Qingyang Hong, Dong Wang

The fifth Oriental Language Recognition (OLR) Challenge focuses on language recognition in a variety of complex environments to promote its development.

Dialect Identification

SSC: Semantic Scan Context for Large-Scale Place Recognition

1 code implementation1 Jul 2021 Lin Li, Xin Kong, Xiangrui Zhao, Tianxin Huang, Yong liu

We also present a two-step global semantic ICP to obtain the 3D pose (x, y, yaw) used to align the point cloud to improve matching performance.

Translation Visual Place Recognition

An Integrated Framework for Two-pass Personalized Voice Trigger

no code implementations30 Jun 2021 Dexin Liao, Jing Li, Yiming Zhi, Song Li, Qingyang Hong, Lin Li

For the SV system, we proposed a multi-task learning network, where phonetic branch is trained with the character label of the utterance, and speaker branch is trained with the label of the speaker.

Keyword Spotting Multi-Task Learning +1

Phoneme-aware and Channel-wise Attentive Learning for Text DependentSpeaker Verification

no code implementations25 Jun 2021 Yan Liu, Zheng Li, Lin Li, Qingyang Hong

This paper proposes a multi-task learning network with phoneme-aware and channel-wise attentive learning strategies for text-dependent Speaker Verification (SV).

Multi-Task Learning Text-Dependent Speaker Verification

SA-LOAM: Semantic-aided LiDAR SLAM with Loop Closure

no code implementations22 Jun 2021 Lin Li, Xin Kong, Xiangrui Zhao, Wanlong Li, Feng Wen, Hongbo Zhang, Yong liu

LiDAR-based SLAM system is admittedly more accurate and stable than others, while its loop closure detection is still an open issue.

3D Semantic Segmentation Loop Closure Detection

DMBGN: Deep Multi-Behavior Graph Networks for Voucher Redemption Rate Prediction

1 code implementation7 Jun 2021 Fengtong Xiao, Lin Li, Weinan Xu, Jingyu Zhao, Xiaofeng Yang, Jun Lang, Hao Wang

In this paper, we propose a Deep Multi-behavior Graph Networks (DMBGN) to shed light on this field for the voucher redemption rate prediction.

CREAD: Combined Resolution of Ellipses and Anaphora in Dialogues

1 code implementation NAACL 2021 Bo-Hsiang Tseng, Shruti Bhargava, Jiarui Lu, Joel Ruben Antony Moniz, Dhivya Piraviperumal, Lin Li, Hong Yu

In this work, we propose a novel joint learning framework of modeling coreference resolution and query rewriting for complex, multi-turn dialogue understanding.

Coreference Resolution Dialogue Understanding

ReLU Deep Neural Networks from the Hierarchical Basis Perspective

no code implementations10 May 2021 Juncai He, Lin Li, Jinchao Xu

We study ReLU deep neural networks (DNNs) by investigating their connections with the hierarchical basis method in finite element methods.

Measurement methods of radial flow in relativistic heavy-ion collisions

no code implementations4 Mar 2021 Peng Yang, Lin Li, Zhiming Li, Mingmei Xu, Yeyin Zhao, Yuanfang Wu

Radial flow can be directly extracted from the azimuthal distribution of mean transverse rapidity.

Nuclear Theory High Energy Physics - Phenomenology Nuclear Experiment

Manifold Learning-based Word Representation Refinement Incorporating Global and Local Information

no code implementations COLING 2020 Wenyu Zhao, Dong Zhou, Lin Li, Jinjun Chen

Our second method refines word representations by aligning original and re-fined embedding spaces based on local tangent space instead of performing weighted locally linear combination twice.

Semantic Similarity Semantic Textual Similarity +2

Direct Signal Separation Via Extraction of Local Frequencies with Adaptive Time-Varying Parameters

no code implementations5 Oct 2020 Lin Li, Charles K. Chui, Qingtang Jiang

More recently, a direct method of the time-frequency approach, called signal separation operation (SSO), was introduced for multi-component signal separation.

Time Series

A Chirplet Transform-based Mode Retrieval Method for Multicomponent Signals with Crossover Instantaneous Frequencies

no code implementations4 Oct 2020 Lin Li, Ningning Han, Qingtang Jiang, Charles K. Chui

We use the chirplet transform (CT) to represent a multicomponent signal in the three-dimensional space of time, frequency and chirp rate and introduce a CT-based signal separation scheme (CT3S) to retrieve modes.

Analysis of Adaptive Synchrosqueezing Transform with a Time-varying Parameter

no code implementations22 Aug 2020 Jian Lu, Qingtang Jiang, Lin Li

The WSST with a time-varying parameter, called the adaptive WSST, was introduced very recently in the paper "Adaptive synchrosqueezing transform with a time-varying parameter for non-stationary signal separation".

AP20-OLR Challenge: Three Tasks and Their Baselines

no code implementations4 Jun 2020 Zheng Li, Miao Zhao, Qingyang Hong, Lin Li, Zhiyuan Tang, Dong Wang, Li-Ming Song, Cheng Yang

Based on Kaldi and Pytorch, recipes for i-vector and x-vector systems are also conducted as baselines for the three tasks.

Dialect Identification

Artificial Intelligence Distinguishes COVID-19 from Community Acquired Pneumonia on Chest CT

1 code implementation Radiology 2020 Lin Li, Lixin Qin, Zeguo Xu, Youbing Yin, Xin Wang, Bin Kong, Junjie Bai, Yi Lu, Zhenghan Fang, Qi Song, Kunlin Cao, Daliang Liu, Guisheng Wang, Qizhong Xu, Xisheng Fang, Shiqin Zhang, Juan Xia, Jun Xia

Materials and Methods In this retrospective and multi-center study, a deep learning model, COVID-19 detection neural network (COVNet), was developed to extract visual features from volumetric chest CT exams for the detection of COVID-19.

COVID-19 Image Segmentation

A BERT based Sentiment Analysis and Key Entity Detection Approach for Online Financial Texts

no code implementations14 Jan 2020 Lingyun Zhao, Lin Li, Xinhao Zheng

Aiming at the issue, we propose a sentiment analysis and key entity detection approach based on BERT, which is applied in online financial text mining and public opinion analysis in social media.

Ensemble Learning Machine Reading Comprehension +3

Deep Visual Waterline Detection within Inland Marine Environment

no code implementations24 Nov 2019 Jing Huang, Hengfeng Miao, Lin Li, Yuanqiao Wen, Changshi Xiao

This paper attempts to find a solution to guarantee the effectiveness of waterline detection for inland maritime applications with general digital camera sensor.

When is ACL's Deadline? A Scientific Conversational Agent

no code implementations23 Nov 2019 Mohsen Mesgar, Paul Youssef, Lin Li, Dominik Bierwirth, Yihao Li, Christian M. Meyer, Iryna Gurevych

Our conversational agent UKP-ATHENA assists NLP researchers in finding and exploring scientific literature, identifying relevant authors, planning or post-processing conference visits, and preparing paper submissions using a unified interface based on natural language inputs and responses.

Choosing between Long and Short Word Forms in Mandarin

no code implementations WS 2019 Lin Li, Kees Van Deemter, Denis Paperno, Jingyu Fan

Between 80{\%} and 90{\%} of all Chinese words have long and short form such as 老虎/虎 (lao-hu/hu , tiger) (Duanmu:2013).

Social Influence-based Attentive Mavens Mining and Aggregative Representation Learning for Group Recommendation

no code implementations10 Aug 2019 Peipei Wang, Lin Li, Yi Yu, Guandong Xu

To tackle the issue of preference aggregation for group recommendation, we propose a novel attentive aggregation representation learning method based on sociological theory for group recommendation, namely SIAGR (short for "Social Influence-based Attentive Group Recommendation"), which takes attention mechanisms and the popular method (BERT) as the aggregation representation for group profile modeling.

Collaborative Filtering Decision Making +2

An Item Recommendation Approach by Fusing Images based on Neural Networks

no code implementations4 Jul 2019 Weibin Lin, Lin Li

There are rich formats of information in the network, such as rating, text, image, and so on, which represent different aspects of user preferences.

Collaborative Filtering Recommendation Systems

Combining Q&A Pair Quality and Question Relevance Features on Community-based Question Retrieval

no code implementations3 Jul 2019 Dong Li, Lin Li

The Q&A community has become an important way for people to access knowledge and information from the Internet.


Using Context Information to Enhance Simple Question Answering

no code implementations27 Apr 2019 Lin Li, Mengjing Zhang, Zhaohui Chao, Jianwen Xiang

With the rapid development of knowledge bases(KBs), question answering(QA)based on KBs has become a hot research issue.

Question Answering

The combination of context information to enhance simple question answering

no code implementations9 Oct 2018 Zhaohui Chao, Lin Li

With the rapid development of knowledge base, question answering based on knowledge base has been a hot research issue.

Knowledge Base Question Answering

GPU based Parallel Optimization for Real Time Panoramic Video Stitching

no code implementations4 Oct 2018 Chengyao Du, Jingling Yuan, Jiansheng Dong, Lin Li, Mincheng Chen, Tao Li

In order to solve these problems, we propose a real-time panoramic video stitching framework. The framework we propose mainly consists of three algorithms, LORB image feature extraction algorithm, feature point matching algorithm based on LSH and GPU parallel video stitching algorithm based on CUDA. The experiment results show that the algorithm mentioned can improve the performance in the stages of feature extraction of images stitching and matching, the running speed of which is 11 times than that of the traditional ORB algorithm and 639 times than that of the traditional SIFT algorithm.

Image Stitching

Image-to-Video Person Re-Identification by Reusing Cross-modal Embeddings

no code implementations4 Oct 2018 Zhongwei Xie, Lin Li, Xian Zhong, Luo Zhong

In this paper, we propose an end-to-end neural network framework for image-to-video person reidentification by leveraging cross-modal embeddings learned from extra information. Concretely speaking, cross-modal embeddings from image captioning and video captioning models are reused to help learned features be projected into a coordinated space, where similarity can be directly computed.

Image Captioning Image-To-Video Person Re-Identification +2

Relational Network for Skeleton-Based Action Recognition

no code implementations7 May 2018 Wu Zheng, Lin Li, Zhao-Xiang Zhang, Yan Huang, Liang Wang

We introduce the Recurrent Relational Network to learn the spatial features in a single skeleton, followed by a multi-layer LSTM to learn the temporal features in the skeleton sequences.

Action Recognition Skeleton Based Action Recognition

Modeling Group Dynamics Using Probabilistic Tensor Decompositions

no code implementations24 Jun 2016 Lin Li, Ananthram Swami, Anna Scaglione

We propose a probabilistic modeling framework for learning the dynamic patterns in the collective behaviors of social agents and developing profiles for different behavioral groups, using data collected from multiple information sources.

Saliency Detection with Spaces of Background-based Distribution

no code implementations17 Mar 2016 Tong Zhao, Lin Li, Xinghao Ding, Yue Huang, Delu Zeng

In this letter, an effective image saliency detection method is proposed by constructing some novel spaces to model the background and redefine the distance of the salient patches away from the background.

Saliency Detection

Sensing Subjective Well-being from Social Media

no code implementations15 Mar 2014 Bibo Hao, Lin Li, Rui Gao, Ang Li, Tingshao Zhu

Nowadays, people are motivated to share their experiences and feelings on social media, so we propose to sense SWB from the vast user generated data on social media.

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