Ping LIU
Dr. Ping LIU is a research scientist, III, at Center for Frontier AI Research (CFAR), Agency for Science, Technology, and Research (A*STAR), Singapore. Before joining A*STAR, he was a research fellow and a contract lecturer at University of Technology Sydney (UTS), Sydney, AUS. He received his Ph.D degree from Department of Computer Science and Engineering, University of South Carolina, Columbia, SC, US. Before that, he was a research assistant in the Intelligent Systems and Biomedical Robotics Group (ISBRG), University of Portsmouth, UK. He got his Master Degree from Huazhong University of Science and Technology (HUST), WuHan, China; Bachelor Degree (EE) from Wuhan University of Technology (WUT), WuHan, China.
Education: Ph.D. (CSE, SC) M.Eng. (HUST) B.Eng. (EE, WUT)
Email: liu_ping at {cfar.a-star.edu.sg}
|| Philosophy || News || Interest || Publications || Services || Resources|| Hobby||
RESEARCH PHILOSOPHY
"Theory without Practice is empty; but Practice without Theory is blind" - Immanuel Kant
News
New: TBA
May 2023: Invited as a Area Chair for ACM Multimedia 2023 (link).
Apr 2023: A work "Text-guided Eyeglasses Manipulation with Spatial Constraints" (corresponding author) is posted online (link).
Apr 2023: Invited as a PC member for 2023 Workshop of 1st MMIR Deep Multimodal Learning for Information Retrieval (link).
Apr 2023: Our WACV extension work "Adaptive Stylization Modulation for Domain Generalization Semantic Segmentation" (corresponding author) is posted online (link).
INTEREST
Machine Learning, Computer Vision, Deep Learning:
face activity analysis, face attribute edit, deepfake detection, unsupervised domain adaptation, model compression
PUBLICATIONS (* denotes the corresponding author or equal contributions)
Ping Liu*, Xin Yu*, Joey Tiany Zhou, Meta Knowledge Condensation for Federated Learning, ICLR 2023
Gabriel Tjio, Ping Liu* , Chee-Keong Kwoh, Joey Tianyi Zhou, Adaptive Stylization Modulation for Domain Generalization Semantic Segmentation, arXiv, 2023
Jiacheng Wang, Ping LIU*, Jingen Liu, Wei Xu*, Text-guided Eyeglasses Manipulation with Spatial Constraints, arXiv, 2023
Yang Zhang, Xin Yu, Xiaobo Lu, Ping Liu*, Pro-UIGAN: Progressive Face Hallucination from Occluded Thumbnails, IEEE Trans on Image Processing, 2022
Feifei Shao, Yawei Luo, Ping Liu, Jie Chen, Yi Yang, Yulei Lu, Xiao Jun, Active Learning for Point Cloud Semantic Segmentation via Spatial-Structural Diversity Reasoning, ACM Multimedia (MM), 2022
Bingwen Hu, Ping Liu, Zhedong Zheng, Mingyu Ren, SPG-VTON: Semantic Prediction Guidance for Multi-pose Virtual Try-on, IEEE Transactions on Multimedia, 2022
Boshen Zhang, Yang Xiao, Fu Xiong, Cunlin Wu, Zhiguo Cao, Ping Liu, Joey Tianyi Zhou, "3D Human Pose Estimation with Cross-modality CNN Training and Multi-scale Local Refinement", Applied Soft Computing, 2022
Yang He, Ping Liu, Linchao Zhu, Yi Yang, Filter Pruning by Switching to Neighboring CNNs with Good Attributes, IEEE Transactions on Neural Networks and Learning Systems, 2022
Yang Peng *, Ping Liu *, Yawei Luo, Pan Zhou, Zichuan Xu, Jingen Liu, Unsupervised Domain Adaptive Person Re-Identification via Human Learning Imitation, arXiv, 2021
Ping Liu, Yuewei Lin, Yang He, Yunchao Wei, Liangli Zhen, Joey Tianyi Zhou, Rick Siow Mong Goh, Jingen Liu, Automated Deepfake Detection, arXiv, 2021
Gabriel Tjio, Ping Liu*, Joey Tianyi Zhou, Rick Siwo Mong Goh, Adversarial Semantic Hallucination for Domain Generalized Semantic Segmentation, WACV, 2022
Ping Liu, Yuewei Lin, Zibo Meng, Weihong Deng, Joey Tianyi Zhou, Yi Yang, Point Adversarial Self Mining: A Simple Method for Facial Expression Recognition in the Wild, IEEE Transactions on Cybernetics, 2021
Ping Liu, Yunchao Wei, Zibo Meng, Weihong Deng, Joey Tianyi Zhou, Yi Yang, Omni-supervised Facial Expression Recognition via Distilled Data, arXiv, 2020
Yawei Luo, Ping Liu, Liang Zheng, Tao Guan, Junqing Yu, Yi Yang, Category-Level Adversarial Adaptation for Semantic Segmentation using Purified Features, IEEE Transactions on Pattern Analysis and Machine Intelligence, 2021
Hehe Fan, Ping Liu, Mingliang Xu, Yi Yang, Unsupervised Visual Representation Learning via Instance Discrimination and Similarity, IEEE Transactions on Cybernetics, 2021
Qingji Guan, Yaping Huang, Yawei Luo, Ping Liu, Yi Yang, Thorax Disease Classification via Discriminative Feature Learning, IEEE Transactions on Image Processing, 2021
Yang Zhang, Ivor W. Tsang, Jun Li, Ping Liu, Xiaobo Lu, Xin Yu, VividGAN: Face Hallucination with Finishing Touches, IEEE Transactions on Image Processing, 2021
Bingwen Hu, Zhedong Zheng, Ping Liu, Wankou Yang, Mingwu Ren, Unsupervised Eyeglasses Removal in the Wild, IEEE Transactions on Cybernetics, 2020
Yawei Luo, Rongrong Ji, Tao Guan, Junqing Yu, Ping Liu, Yi Yang, Every Node Counts: Self-Ensembling Graph Convolutional Networks for Semi-Supervised Learning, Pattern Recognition, 2020
Peike Li, Pingbo Pan, Ping Liu, Yi Yang, Multi-Granularity Temporal Modeling for Video-based Person Re-identification, IEEE Transactions on Circuits and Systems for Video Technology, 2020
Yawei Luo, Ping Liu, Tao Guan, Junqing Yu, Yi Yang, Adversarial Style Mining for One-Shot Unsupervised Domain Adaptation, Conference on Neural Information Processing Systems (NeurIPS), 2020
Chenyou Fan, Ping Liu, Federated Generative Adversarial Learning, The Third Chinese Conference on Pattern Recognition and Computer Vision (PRCV), 2020
Yang He, Yuhang Ding, Ping Liu, Linchao Zhu, Hanwang Zhang, Yi Yang, Learning Filter Pruning Criteria for Deep Convolutional Neural Networks Acceleration, IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2020
Pingbo Pan, Ping Liu, Yan Yan, Tianbao Yang, Yi Yang, Adversarial Localized Energy Networks for Structured Prediction, AAAI Conference on Artificial Intelligence (AAAI), 2020
Yawei Luo, Ping Liu, Tao Guan, Junqing Yu, Yi Yang, Significance-aware Information Bottleneck for Domain Adaptive Semantic Segmentation, International Conference on Computer Vision(ICCV), 2019
Guang Li, Linchao Zhu, Ping Liu, Yi Yang, Improving the Image Captioning Transformer with Entangled Attention, International Conference on Computer Vision(ICCV), 2019
Jiaxu Miao, Yu Wu, Ping Liu, Yuhang Ding, Yi Yang, Pose-Guided Feature Alignment for Occluded Person Re-identification, International Conference on Computer Vision(ICCV), 2019
Zongxin Yang, Jian Dong, Ping Liu, Yi Yang, Shuicheng Yan, Very Long Image Prediction by Outpainting, International Conference on Computer Vision(ICCV), 2019
Yang He, Ping Liu, Ziwei Wang, Zhilan Hu, Yi Yang, Pruning Filter via Geometric Median for Deep Convolutional Neural Networks Acceleration, IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2019
Jie Cai, Zibo Meng, Ahmed-Shehab Khan, Zhiyuan Li, James O'Reilly, Shizhong Han, Ping Liu, Min Chen, Yan Tong, Feature-level and Model-level Audiovisual Fusion for Emotion Recognition in the Wild, IEEE 2nd International Conference on Multimedia Information Processing and Retrieval (MIPR), 2019.
Zibo Meng, Shizhong Han, Ping Liu, Yan Tong, Improving Speech Related Facial Action Unit Recognition by Audiovisual Information Fusion, IEEE Transactions on Cybernetics, 2018.
Guanghan Ning, Ping Liu, Xiaochuan Fan, Chi Zhang, A Top-down Approach to Articulated Human Pose Estimation and Tracking, European Conference on Computer Vision (ECCV) Workshop, PoseTrack Challenge, 2018
Zibo Meng*, Ping Liu*, Jie Cai, Shizhong Han, Yan Tong, Identity-Aware Convolutional Neural Network for Facial Expression Recognition, IEEE International Conference on Automatic Face and Gesture Recognition(FG), 2017.
Improving Feature Learning, Feature Selection, and Classification in Facial Expression Analysis, Ph.D Dissertation, USA, 2015
Ping Liu, Joey Tianyi Zhou, Ivor Tsang, Zibo Meng, Shizhong Han, Yan Tong, Feature Disentangling Machine – A Novel Approach of Feature Selection and Disentangling in Facial Expression Analysis, European Conference on Computer Vision (ECCV), 2014
Ping Liu*, Shizhong Han*, Zibo Meng, Yan Tong, Facial Expression Recognition via a Boosted Deep Belief Network, IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2014.
Shizhong Han, Zibo Meng, Ping Liu, Yan Tong, Facial Grid Transformation: A Novel Face Registration Approach for Improving Facial Action Unit Recognition, IEEE International Conference on Image Processing (ICIP), 2014
Ping Liu, Shizhong Han, Yan Tong, Improving Facial Expression Analysis using Histograms of Log-Transformed Nonnegative Sparse Representation with a Spatial Pyramid Structure, IEEE International Conference on Automatic Face and Gesture Recognition (FG), 2013
Ping Liu, Jin Wang, Mary F.H. She, Honghai Liu, Human Action Recognition based on 3D SIFT and LDA model, IEEE Workshop on Robotic Intelligence in Informationally Structured Space (RiiSS), 2011
* means equal contribution or corresponding author.
SERVICES
Reviewer for IEEE Conference on Computer Vision and Pattern Recognition(CVPR)2019-2021
Reviewer for International Conference on Computer Vision(ICCV)2017-2021
Reviewer for European Conference on Computer Vision(ECCV)2020-2022
Reviewer for International Conference on Machine Learning(ICML)2018-2020
Reviewer for Neural Information Processing Systems(NeurIPS)2016-2019
Reviewer for AAAI Conference on Artificial Intelligence(AAAI)2017-2018, 2020-2021
Reviewer for International Joint Conferences on Artificial Intelligence(IJCAI)2021
Reviewer for International Conference on Learning Representations(ICLR)2018,2020-2023
Reviewer for Artificial Intelligence and Statistics(AISTAS)2017-2021
Reviewer for IEEE International Conference on Multimedia and Expo(ICME)2018-2020
Reviewer for IEEE International Conference on Automatic Face and Gesture Recognition(FG)2020
Reviewer for Winter Conference on Applications of Computer Vision(WACV)2021
Reviewer for Asian Conference on Computer Vision(ACCV)2020
Reviewer for Asian Conference on Machine Learning(ACML)2016, 2019
Reviewer for International Conference of Pattern Recognition(ICPR)2016
Reviewer for International Journal of Computer Vision (IJCV)
Reviewer for IEEE Transactions on Image Processing (TIP)
Reviewer for IEEE Transactions on Multimedia
Reviewer for IEEE Transactions on Circuits and Systems for Video Technology
Reviewer for IEEE Transactions on Neural Networks and Learning Systems
Reviewer for IEEE Transactions on Affective Computing
Reviewer for IEEE Transactions on Cybernetics
Reviewer for IEEE Transactions on Industrial Electronics
Reviewer for Pattern Recognition
Reviewer for Pattern Recognition Letters
Reviewer for Knowledge-Based Systems
Reviewer for Journal of Image and Graphics (Chinese)
PC member for EAI Mobimedia 2020, AAAI 2017
Senior PC member for AAAI 2021, IJCAI 2021, ACML 2021
Session Chair for ACML 2021, Session 1B Computer Vision
Area Chair for IEEE MIPR (Multimedia Information Processing and Retrieval) 2022
Area Chair for ACM Multimedia 2022
NeurIPS 2019 Top 50% Highest-Scoring Reviewers
Hobby
Video games (Halo 2/3/4/5/Reach, Call of Duty...)
Science fictions (Three Body, and etc.)
Manga: One-punch man, Guyver: The Bioboosted Armor, ...