Future-data driven modeling of complex backgrounds using mixture of Gaussians. - Xin Liu 012; Chun Qi (Neurocomputing, 2013)

Foreground detection using low rank and structured sparsity. - Jiawen Yao; Xin Liu 012; Chun Qi (ICME, 2014)

Global consistency, local sparsity and pixel correlation: A unified framework for face hallucination. - Jingang Shi; Xin Liu 012; Chun Qi (Pattern Recognit., 2014)

Background Subtraction Based on Low-Rank and Structured Sparse Decomposition. - Xin Liu 012; Guoying Zhao 001; Jiawen Yao; Chun Qi (IEEE Trans. Image Process., 2015)

Analyzing the Affect of a Group of People Using Multi-modal Framework. - Xiaohua Huang; Abhinav Dhall; Xin Liu 012; Guoying Zhao 001; Jingang Shi; Roland Goecke; Matti Pietikäinen (CoRR, 2016)

Spontaneous Facial Micro-Expression Recognition using Discriminative Spatiotemporal Local Binary Pattern with an Improved Integral Projection. - Xiaohua Huang; Sujing Wang; Xin Liu 012; Guoying Zhao 001; Xiaoyi Feng; Matti Pietikäinen (CoRR, 2016)

Analyzing the group sparsity based on the rank minimization methods. - Zhiyuan Zha; Xin Liu 012; Xiaohua Huang; Xiaopeng Hong; Henglin Shi; Yingyue Xu; Qiong Wang 002; Lan Tang; Xinggan Zhang (CoRR, 2016)

Image Restoration using Group Sparse Representation via Weighted Nuclear Norm Minimization. - Zhiyuan Zha; Xinggan Zhang; Xin Liu 012; Ziheng Zhou 003; Jingang Shi; Shouren Lan; Yang Chen; Yechao Bai; Qiong Wang 002; Lan Tang (CoRR, 2016)

Image denoising via group sparsity residual constraint. - Zhiyuan Zha; Xin Liu 012; Ziheng Zhou 003; Xiaohua Huang; Jingang Shi; Zhenhong Shang; Lan Tang; Yechao Bai; Qiong Wang 002; Xinggan Zhang (ICASSP, 2017)

Estimation of signal-dependent noise level function using multi-column convolutional neural network. - Jingyu Yang 002; Xin Liu 012; Xiaolin Song; Kun Li 001 (ICIP, 2017)

Analyzing the group sparsity based on the rank minimization methods. - Zhiyuan Zha; Xin Liu 012; Xiaohua Huang; Henglin Shi; Yingyue Xu; Qiong Wang 002; Lan Tang; Xinggan Zhang (ICME, 2017)

Bidirectional Long Short-Term Memory Variational Autoencoder. - Henglin Shi; Xin Liu 012; Xiaopeng Hong; Guoying Zhao 001 (BMVC, 2018)

Temporal Hierarchical Dictionary with HMM for Fast Gesture Recognition. - Haoyu Chen 001; Xin Liu 012; Guoying Zhao 001 (ICPR, 2018)

Fine-Grained Image Classification With Gaussian Mixture Layer. - Jingyun Liang; Jinlin Guo; Xin Liu 012; Songyang Lao (IEEE Access, 2018)

Group sparsity residual constraint for image denoising with external nonlocal self-similarity prior. - Zhiyuan Zha; Xinggan Zhang; Qiong Wang 002; Yechao Bai; Yang Chen; Lan Tang; Xin Liu 012 (Neurocomputing, 2018)

Group-based sparse representation for image compressive sensing reconstruction with non-convex regularization. - Zhiyuan Zha; Xinggan Zhang; Qiong Wang 002; Lan Tang; Xin Liu 012 (Neurocomputing, 2018)

Non-convex weighted ℓp nuclear norm based ADMM framework for image restoration. - Zhiyuan Zha; Xinggan Zhang; Yu Wu 022; Qiong Wang 002; Xin Liu 012; Lan Tang; Xin Yuan 002 (Neurocomputing, 2018)

Saliency detection via bi-directional propagation. - Yingyue Xu; Xiaopeng Hong; Xin Liu 012; Guoying Zhao 001 (J. Vis. Commun. Image Represent., 2018)

Background Subtraction Using Spatio-Temporal Group Sparsity Recovery. - Xin Liu 012; Jiawen Yao; Xiaopeng Hong; Xiaohua Huang; Ziheng Zhou 003; Chun Qi; Guoying Zhao 001 (IEEE Trans. Circuits Syst. Video Technol., 2018)

Hallucinating Face Image by Regularization Models in High-Resolution Feature Space. - Jingang Shi; Xin Liu 012; Yuan Zong; Chun Qi; Guoying Zhao 001 (IEEE Trans. Image Process., 2018)

Compressed sensing image reconstruction via adaptive sparse nonlocal regularization. - Zhiyuan Zha; Xin Liu 012; Xinggan Zhang; Yang Chen; Lan Tang; Yechao Bai; Qiong Wang 002; Zhenhong Shang (Vis. Comput., 2018)

Analyze Spontaneous Gestures for Emotional Stress State Recognition: A Micro-gesture Dataset and Analysis with Deep Learning. - Haoyu Chen 001; Xin Liu 012; Xiaobai Li; Henglin Shi; Guoying Zhao 001 (FG, 2019)

Background subtraction using Multi-Channel Fused Lasso. - Xin Liu 012; Guoying Zhao 001 (Image Processing: Algorithms and Systems, 2019)

3D Skeletal Gesture Recognition via Sparse Coding of Time-Warping Invariant Riemannian Trajectories. - Xin Liu 012; Guoying Zhao 001 (MMM (1), 2019)

Hidden States Exploration for 3D Skeleton-Based Gesture Recognition. - Xin Liu 012; Henglin Shi; Xiaopeng Hong; Haoyu Chen 001; Dacheng Tao; Guoying Zhao 001 (WACV, 2019)

Discriminative Spatiotemporal Local Binary Pattern with Revisited Integral Projection for Spontaneous Facial Micro-Expression Recognition. - Xiaohua Huang; Sujing Wang; Xin Liu 012; Guoying Zhao 001; Xiaoyi Feng; Matti Pietikäinen (IEEE Trans. Affect. Comput., 2019)

Saliency Integration: An Arbitrator Model. - Yingyue Xu; Xiaopeng Hong; Fatih Porikli; Xin Liu 012; Jie Chen 001; Guoying Zhao 001 (IEEE Trans. Multim., 2019)

AIM 2020 Challenge on Learned Image Signal Processing Pipeline. - Andrey Ignatov; Radu Timofte; Zhilu Zhang 001; Ming Liu 018; Haolin Wang; Wangmeng Zuo; Jiawei Zhang 002; Ruimao Zhang; Zhanglin Peng; Sijie Ren; Linhui Dai; Xiaohong Liu 001; et al. (ECCV Workshops (3), 2020)

2nd Place Scheme on Action Recognition Track of ECCV 2020 VIPriors Challenges: An Efficient Optical Flow Stream Guided Framework. - Haoyu Chen 001; Zitong Yu; Xin Liu 012; Wei Peng 009; Yoon Lee; Guoying Zhao 001 (CoRR, 2020)

AIM 2020 Challenge on Learned Image Signal Processing Pipeline. - Andrey Ignatov; Radu Timofte; Zhilu Zhang 001; Ming Liu 018; Haolin Wang; Wangmeng Zuo; Jiawei Zhang 002; Ruimao Zhang; Zhanglin Peng; Sijie Ren; Linhui Dai; Xiaohong Liu 001; et al. (CoRR, 2020)

An efficient volume repairing method by using a modified Allen-Cahn equation. - Yibao Li; Shouren Lan; Xin Liu 012; Bingheng Lu; Lisheng Wang (Pattern Recognit., 2020)

Temporal Hierarchical Dictionary Guided Decoding for Online Gesture Segmentation and Recognition. - Haoyu Chen 001; Xin Liu 012; Jingang Shi; Guoying Zhao 001 (IEEE Trans. Image Process., 2020)

3D Skeletal Gesture Recognition via Hidden States Exploration. - Xin Liu 012; Henglin Shi; Xiaopeng Hong; Haoyu Chen 001; Dacheng Tao; Guoying Zhao 001 (IEEE Trans. Image Process., 2020)

Advancing Image Understanding in Poor Visibility Environments: A Collective Benchmark Study. - Wenhan Yang; Ye Yuan 012; Wenqi Ren; Jiaying Liu 001; Walter J. Scheirer; Zhangyang Wang; Taiheng Zhang; Qiaoyong Zhong; Di Xie; Shiliang Pu; Yuqiang Zheng; Yanyun Qu; et al. (IEEE Trans. Image Process., 2020)

iMiGUE: An Identity-Free Video Dataset for Micro-Gesture Understanding and Emotion Analysis. - Xin Liu 012; Henglin Shi; Haoyu Chen 001; Zitong Yu; Xiaobai Li; Guoying Zhao 001 (CVPR, 2021)

Graph Adversarial Learning for Noisy Skeleton-based Action Recognition. - Henglin Shi; Wei Peng 009; Xin Liu 012; Guoying Zhao 001 (Image Processing: Algorithms and Systems, 2021)

Consistency Regularization for Deep Face Anti-Spoofing. - Zezheng Wang; Zitong Yu; Xun Wang; Yunxiao Qin; Jiahong Li; Chenxu Zhao; Zhen Lei 001; Xin Liu 012; Size Li; Zhongyuan Wang 006 (CoRR, 2021)

Searching Multi-Rate and Multi-Modal Temporal Enhanced Networks for Gesture Recognition. - Zitong Yu; Benjia Zhou; Jun Wan 001; Pichao Wang; Haoyu Chen 001; Xin Liu 012; Stan Z. Li; Guoying Zhao 001 (IEEE Trans. Image Process., 2021)

3D Skeletal Gesture Recognition via Discriminative Coding on Time-Warping Invariant Riemannian Trajectories. - Xin Liu 012; Guoying Zhao 001 (IEEE Trans. Multim., 2021)

Generative Adversarial LSTM Networks Learning for Resource Allocation in UAV-Served M2M Communications. - Yi-Han Xu 001; Xin Liu 012; Wen Zhou 004; Gang Yu 002 (IEEE Wirel. Commun. Lett., 2021)

NTIRE 2022 Challenge on Super-Resolution and Quality Enhancement of Compressed Video: Dataset, Methods and Results. - Ren Yang; Radu Timofte; Meisong Zheng; Qunliang Xing; Minglang Qiao; Mai Xu; Lai Jiang; Huaida Liu; Ying Chen 011; Youcheng Ben; Xiao Zhou; Chen Fu; et al. (CVPR Workshops, 2022)

CdCLR: Clip-Driven Contrastive Learning for Skeleton-Based Action Recognition. - Rong Gao; Xin Liu 012; Jingyu Yang 002; Huanjing Yue (VCIP, 2022)

NTIRE 2022 Challenge on Super-Resolution and Quality Enhancement of Compressed Video: Dataset, Methods and Results. - Ren Yang; Radu Timofte; Meisong Zheng; Qunliang Xing; Minglang Qiao; Mai Xu; Lai Jiang; Huaida Liu; Ying Chen 011; Youcheng Ben; Xiao Zhou; Chen Fu; et al. (CoRR, 2022)

Multiscale 3D-Shift Graph Convolution Network for Emotion Recognition From Human Actions. - Henglin Shi; Wei Peng 009; Haoyu Chen 001; Xin Liu 012; Guoying Zhao 001 (IEEE Intell. Syst., 2022)

A Robust GAN-Generated Face Detection Method Based on Dual-Color Spaces and an Improved Xception. - Beijing Chen; Xin Liu 012; Yuhui Zheng; Guoying Zhao 001; Yun-Qing Shi 001 (IEEE Trans. Circuits Syst. Video Technol., 2022)

Unsupervised Domain-Invariant Feature Learning for Cloud Detection of Remote Sensing Images. - Jianhua Guo 002; Jing-Yu Yang 002; Huanjing Yue; Xin Liu 012; Kun Li 001 (IEEE Trans. Geosci. Remote. Sens., 2022)

Recaptured Raw Screen Image and Video Demoiréing via Channel and Spatial Modulations. - Yijia Cheng; Xin Liu 012; Jingyu Yang 002 (NeurIPS, 2023)

rPPG-MAE: Self-supervised Pre-training with Masked Autoencoders for Remote Physiological Measurement. - Xin Liu 012; Yuting Zhang 008; Zitong Yu; Hao Lu 009; Huanjing Yue; Jingyu Yang 002 (CoRR, 2023)

Recaptured Raw Screen Image and Video Demoiréing via Channel and Spatial Modulations. - Huanjing Yue; Yijia Cheng; Xin Liu 012; Jingyu Yang 002 (CoRR, 2023)

Consistency Regularization for Deep Face Anti-Spoofing. - Zezheng Wang; Zitong Yu; Xun Wang; Yunxiao Qin; Jiahong Li; Chenxu Zhao; Xin Liu 012; Zhen Lei 001 (IEEE Trans. Inf. Forensics Secur., 2023)

Forgetting memristor based STDP learning circuit for neural networks. - Wenhao Zhou; Shiping Wen 001; Yi Liu; Lu Liu; Xin Liu 012; Ling Chen 010 (Neural Networks, 2023)

Convolutional networks with short-term memory effects. - Chencheng Gong; Ling Chen 010; Xin Liu 012 (Microprocess. Microsystems, 2023)

SMG: A Micro-gesture Dataset Towards Spontaneous Body Gestures for Emotional Stress State Analysis. - Haoyu Chen 001; Henglin Shi; Xin Liu 012; Xiaobai Li; Guoying Zhao 001 (Int. J. Comput. Vis., 2023)

Privacy-preserving DeepFake face image detection. - Beijing Chen; Xin Liu 012; Zhihua Xia; Guoying Zhao 001 (Digit. Signal Process., 2023)

Long-term and short-term memory networks based on forgetting memristors. - Yi Liu; Ling Chen 010; Chuandong Li 001; Xin Liu 012; Wenhao Zhou; Ke Li (Soft Comput., 2023)

DiffFAS: Face Anti-spoofing via Generative Diffusion Models. - Xinxu Ge; Xin Liu 012; Zitong Yu; Jingang Shi; Chun Qi; Jie Li; Heikki Kälviäinen (ECCV (54), 2024)

AUFormer: Vision Transformers Are Parameter-Efficient Facial Action Unit Detectors. - Kaishen Yuan; Zitong Yu; Xin Liu 012; Weicheng Xie 001; Huanjing Yue; Jingyu Yang 002 (ECCV (50), 2024)

Adversarial Robustness in RGB-Skeleton Action Recognition: Leveraging Attention Modality Reweighter. - Chao Liu; Xin Liu 012; Zitong Yu; Yonghong Hou; Huanjing Yue; Jingyu Yang 002 (IJCB, 2024)

EALD-MLLM: Emotion Analysis in Long-sequential and De-identity videos with Multi-modal Large Language Model. - Deng Li 002; Xin Liu 012; Bohao Xing; Baiqiang Xia; Yuan Zong; Bihan Wen; Heikki Kälviäinen (CoRR, 2024)

Identity-free Artificial Emotional Intelligence via Micro-Gesture Understanding. - Rong Gao; Xin Liu 012; Bohao Xing; Zitong Yu; Björn W. Schuller; Heikki Kälviäinen (CoRR, 2024)

EMO-LLaMA: Enhancing Facial Emotion Understanding with Instruction Tuning. - Bohao Xing; Zitong Yu; Xin Liu 012; Kaishen Yuan; Qilang Ye; Weicheng Xie 001; Huanjing Yue; Jing-Yu Yang 002; Heikki Kälviäinen (CoRR, 2024)

Enhancing Micro Gesture Recognition for Emotion Understanding via Context-Aware Visual-Text Contrastive Learning. - Deng Li 002; Bohao Xing; Xin Liu 012 (IEEE Signal Process. Lett., 2024)

rPPG-MAE: Self-Supervised Pretraining With Masked Autoencoders for Remote Physiological Measurements. - Xin Liu 012; Yuting Zhang 008; Zitong Yu; Hao Lu 009; Huanjing Yue; Jingyu Yang 002 (IEEE Trans. Multim., 2024)

Multi-Channel Fused Lasso for Motion Detection in Dynamic Video Scenarios. - Rong Gao; Xin Liu 012; Jingyu Yang 002; Huanjing Yue (IEEE Trans. Consumer Electron., 2024)

Unsupervised HDR Image and Video Tone Mapping via Contrastive Learning. - Cong Cao 005; Huanjing Yue; Xin Liu 012; Jing-Yu Yang 002 (IEEE Trans. Circuits Syst. Video Technol., 2024)

From Recognition to Prediction: Leveraging Sequence Reasoning for Action Anticipation. - Xin Liu 012; Chao Hao; Zitong Yu; Huanjing Yue; Jingyu Yang 002 (ACM Trans. Multim. Comput. Commun. Appl., 2024)

Zero-shot Video Restoration and Enhancement Using Pre-Trained Image Diffusion Model. - Cong Cao 005; Huanjing Yue; Xin Liu 012; Jingyu Yang 002 (AAAI, 2025)

FSBench: A Figure Skating Benchmark for Advancing Artistic Sports Understanding. - Rong Gao; Xin Liu 012; Zhuozhao Hu; Bohao Xing; Baiqiang Xia; Zitong Yu; Heikki Kälviäinen (CVPR, 2025)

AutoLUT: LUT-Based Image Super-Resolution with Automatic Sampling and Adaptive Residual Learning. - Yuheng Xu; Shijie Yang; Xin Liu 012; Jie Liu 040; Jie Tang 006; Gangshan Wu (CVPR, 2025)

Period-LLM: Extending the Periodic Capability of Multimodal Large Language Model. - Yuting Zhang 008; Hao Lu 009; Qingyong Hu; Yin Wang 004; Kaishen Yuan; Xin Liu 012; Kaishun Wu (CVPR, 2025)

Multi-Scale Promoted Self-Adjusting Correlation Learning for Facial Action Unit Detection. - Xin Liu 012; Kaishen Yuan; Xuesong Niu; Jingang Shi; Zitong Yu; Huanjing Yue; Jingyu Yang 002 (IEEE Trans. Affect. Comput., 2025)

A Simple Yet Effective Network Based on Vision Transformer for Camouflaged Object and Salient Object Detection. - Chao Hao; Zitong Yu; Xin Liu 012; Jun Xu 019; Huanjing Yue; Jing-Yu Yang 002 (IEEE Trans. Image Process., 2025)

Advancing Generalizable Remote Physiological Measurement Through the Integration of Explicit and Implicit Prior Knowledge. - Yuting Zhang 008; Hao Lu 009; Xin Liu 012; Yingcong Chen; Kaishun Wu (IEEE Trans. Image Process., 2025)

DADM: Dual Alignment of Domain and Modality for Face Anti-spoofing. - Jingyi Yang; Xun Lin; Zitong Yu; Liepiao Zhang; Xin Liu 012; Hui Li 089; Xiaochen Yuan; Xiaochun Cao (CoRR, 2025)

AU-TTT: Vision Test-Time Training model for Facial Action Unit Detection. - Bohao Xing; Kaishen Yuan; Zitong Yu; Xin Liu 012; Heikki Kälviäinen (CoRR, 2025)

NTIRE 2025 Challenge on Image Super-Resolution (⨉4): Methods and Results. - Zheng Chen 014; Kai Liu; Jue Gong; Jingkai Wang 003; Lei Sun 016; Zongwei Wu; Radu Timofte; Yulun Zhang 001; Xiangyu Kong; Xiaoxuan Yu; Hyunhee Park; Suejin Han; et al. (CoRR, 2025)

MER 2025: When Affective Computing Meets Large Language Models. - Zheng Lian; Rui Liu 008; Kele Xu; Bin Liu 041; Xuefei Liu; Yazhou Zhang; Xin Liu 012; Yong Li; Zebang Cheng; Haolin Zuo; Ziyang Ma 001; Xiaojiang Peng; et al. (CoRR, 2025)

DEEMO: De-identity Multimodal Emotion Recognition and Reasoning. - Deng Li 002; Bohao Xing; Xin Liu 012; Baiqiang Xia; Bihan Wen; Heikki Kälviäinen (CoRR, 2025)

Denoising and Alignment: Rethinking Domain Generalization for Multimodal Face Anti-Spoofing. - Yingjie Ma; Xun Lin; Zitong Yu; Xin Liu 012; Xiaochen Yuan; Weicheng Xie 001; Linlin Shen (CoRR, 2025)

EmotionHallucer: Evaluating Emotion Hallucinations in Multimodal Large Language Models. - Bohao Xing; Xin Liu 012; Guoying Zhao 001; Chengyu Liu; Xiaolan Fu; Heikki Kälviäinen (CoRR, 2025)

HAODiff: Human-Aware One-Step Diffusion via Dual-Prompt Guidance. - Jue Gong; Tingyu Yang; Jingkai Wang 003; Zheng Chen 014; Xin Liu 012; Hong Gu; Yulun Zhang 001; Xiaokang Yang 001 (CoRR, 2025)

CodePhys: Robust Video-Based Remote Physiological Measurement Through Latent Codebook Querying. - Shuyang Chu; Menghan Xia; Mengyao Yuan; Xin Liu 012; Tapio Seppänen; Guoying Zhao 001; Jingang Shi (IEEE J. Biomed. Health Informatics, 2025)