Publications

Selected Publications

Representative work since 2024 as first or corresponding author.

NeurIPS2026
DOME: Drift-Adaptive On-Policy Motion Erasure in Video Diffusion TransformersPing Liu, Chi Zhang, Meng TangConference on Neural Information Processing Systems (NeurIPS 2026)
ACM MM2026
MUTE: Motion Concept Unlearning in Video Diffusion ModelsPing Liu, Chi ZhangACM International Conference on Multimedia (ACM MM 2026)arXiv
ICML2026
Where Concept Erasure Should Occur: Concept–Layer Alignment in Text-to-Video Diffusion ModelsYiwei Xie, Ping Liu^†, Zheng Zhang^†International Conference on Machine Learning (ICML 2026)
CVPR2026
Closed-Form Concept Erasure via Double ProjectionsChi Zhang, Jingpu Cheng, Zhixian Wang, Ping Liu^†IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR 2026)arXiv
TMLR2026
ABCDE: Agentic-Based Controlled Dynamic Erasure for Intent-Aware Safety ReasoningPing Liu, Chi ZhangTransactions on Machine Learning Research
ECCV2026
PhyMAGIC: Physical Motion-Aware Generative Inference with Confidence-Guided VLMSiwei Meng, Yawei Luo^†, Ping Liu^†European Conference on Computer Vision (ECCV 2026)Project page
ACM MM2026
When Physical Preferences Meet Semantic Constraints: Physical and Semantic Direct Preference Optimization for Text-to-Video GenerationOralSiwei Meng, Yawei Luo, Shu Zhang, Ping Liu^†ACM International Conference on Multimedia (ACM MM 2026)arXiv
NeurIPS2026
PhyMetric: Diagnosing Physical Plausibility in Text-to-Video Generation via Scene-Level QASiwei Meng, Xuerou Cai, Rui Hu, Ping Liu^†Conference on Neural Information Processing Systems (NeurIPS 2026), Evaluations and Datasets TrackProject page Code
NeurIPS2026
Calibrated Drift Control for Heterogeneous DPOPing Liu, Yan YanConference on Neural Information Processing Systems (NeurIPS 2026)

All Publications

^† corresponding or co-corresponding author; ^♠ equal contribution.

2026

NeurIPS2026
DOME: Drift-Adaptive On-Policy Motion Erasure in Video Diffusion TransformersPing Liu, Chi Zhang, Meng TangConference on Neural Information Processing Systems (NeurIPS 2026)
NeurIPS2026
Calibrated Drift Control for Heterogeneous DPOPing Liu, Yan YanConference on Neural Information Processing Systems (NeurIPS 2026)
ACM MM2026
MUTE: Motion Concept Unlearning in Video Diffusion ModelsPing Liu, Chi ZhangACM International Conference on Multimedia (ACM MM 2026)arXiv
ACM MM2026
When Physical Preferences Meet Semantic Constraints: Physical and Semantic Direct Preference Optimization for Text-to-Video GenerationOralSiwei Meng, Yawei Luo, Shu Zhang, Ping Liu^†ACM International Conference on Multimedia (ACM MM 2026)arXiv
ECCV2026
PhyMAGIC: Physical Motion-Aware Generative Inference with Confidence-Guided VLMSiwei Meng, Yawei Luo^†, Ping Liu^†European Conference on Computer Vision (ECCV 2026)Project page
NeurIPS2026
PhyMetric: Diagnosing Physical Plausibility in Text-to-Video Generation via Scene-Level QASiwei Meng, Xuerou Cai, Rui Hu, Ping Liu^†Conference on Neural Information Processing Systems (NeurIPS 2026), Evaluations and Datasets TrackProject page Code
ICML2026
Where Concept Erasure Should Occur: Concept–Layer Alignment in Text-to-Video Diffusion ModelsYiwei Xie, Ping Liu^†, Zheng Zhang^†International Conference on Machine Learning (ICML 2026)
CVPR2026
Closed-Form Concept Erasure via Double ProjectionsChi Zhang, Jingpu Cheng, Zhixian Wang, Ping Liu^†IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR 2026)arXiv
CVPR2026
Low-Rank Test-Time Training for Pre-Trained Point Cloud ModelsOuyangzi Ye, Feifei Shao, Kexin Li, Yawei Luo, Zikai Song, Ping Liu, Fengda Zhang, Hongwei Wang, Jun XiaoIEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR 2026)
ICLR2026
Machine Unlearning under Retain–Forget EntanglementJingpu Cheng, Ping Liu, Qianxiao Li, Chi ZhangInternational Conference on Learning Representations (ICLR 2026)
NeurIPS2026
Closed-Form Linear-Probe Dataset Distillation for Pre-trained Vision ModelsBincheng Peng, Guang Li, Ping Liu, Takahiro Ogawa, Miki HaseyamaConference on Neural Information Processing Systems (NeurIPS 2026)arXiv
TMLR2026
ABCDE: Agentic-Based Controlled Dynamic Erasure for Intent-Aware Safety ReasoningPing Liu, Chi ZhangTransactions on Machine Learning Research
TIP2026
RIGI: Rectifying Image-to-3D Generation Inconsistency via Uncertainty-aware LearningJiacheng Wang, Zhedong Zheng, Wei Xu^†, Ping Liu^†IEEE Transactions on Image Processing
arXiv2026
PROBE: Diagnosing Residual Concept Capacity in Erased Text-to-Video Diffusion ModelsYiwei Xie, Zheng Zhang^†, Ping Liu^†arXiv preprintarXiv
arXiv2026
Witness: Discovery, Deciphering, and Epiphany in Interactive Puzzle EnvironmentsGuanghan Ning, Ping Liu, Linyi Li, Huangjie Zheng, Arjun Neervannan, Huu Nguyen, Michael Sklar, Deniz Zorlu, Nicolai OuporovarXiv preprint
arXiv2026
Agentic Relative Camera Pose Estimation via Learned Ranking and VerificationZhining Gu, Shangjie Du, Weimin Qiu, Carl Olsson, Ping Liu, Meng TangarXiv preprint

2025

WIFS2025
ADD: An Automated Neural Architecture Search Baseline for Deepfake DetectionPing Liu, Yuewei Lin, Jingen Liu, Yunchao Wei, Joey Tianyi ZhouIEEE International Workshop on Information Forensics and Security (WIFS 2025)
CVPR2025
MICAS: Multi-grained In-Context Adaptive Sampling for 3D Point Cloud ProcessingFeifei Shao^♠, Ping Liu^♠, Zhao Wang, Yawei Luo, Hongwei Wang, Jun XiaoIEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR 2025)
IJCAI2025
Grounding Creativity in Physics: A Brief Survey of Physical Priors in AIGCSiwei Meng, Yawei Luo^†, Ping Liu^†International Joint Conference on Artificial Intelligence (IJCAI 2025), Survey Track
ICLR2025
Breaking Class Barriers: Efficient Dataset Distillation via Inter-Class Feature CompensatorXin Zhang, Jiawei Du, Ping Liu, Joey Tianyi ZhouInternational Conference on Learning Representations (ICLR 2025)
TNNLS2025
Fed-HeLLo: Efficient Federated Foundation Model Fine-Tuning with Heterogeneous LoRA AllocationZikai Zhang, Ping Liu, Jiahao Xu, Rui HuIEEE Transactions on Neural Networks and Learning Systems
TMM2025
Mitigating Biased Activation in Weakly-supervised Object Localization via Counterfactual LearningFeifei Shao, Yawei Luo, Lei Chen, Ping Liu, Yi Yang, Jun XiaoIEEE Transactions on Multimedia
TMM2025
CLIP-SR: Collaborative Linguistic and Image Processing for Super-ResolutionBingwen Hu, Heng Liu, Zhedong Zheng, Ping LiuIEEE Transactions on Multimedia
TIP2025
DD-RobustBench: An Adversarial Robustness Benchmark for Dataset DistillationYifan Wu, Jiawei Du^♠, Ping Liu^♠, Yuewei Lin, Wenqing Chen, Wei XuIEEE Transactions on Image Processing

2024

ACM MM2024
Robust Deepfake Detection by Addressing Generalization and Trustworthiness Challenges: A Short SurveyBest Paper Award (Survey)Ping Liu, Qiqi Tao, Joey Tianyi ZhouACM International Conference on Multimedia (ACM MM 2024) Workshop
ICME2024
Unified Diffusion-Based Rigid and Non-Rigid Editing with Text and Image GuidanceOralJiacheng Wang^♠, Ping Liu^♠, Wei XuIEEE International Conference on Multimedia and Expo (ICME 2024)
CVPR2024
Rethinking the Up-Sampling Operations in CNN-based Generative Network for Generalizable Deepfake DetectionChuangchuang Tan, Yao Zhao, Shikui Wei, Guanghua Gu, Ping Liu, Yunchao WeiIEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR 2024)
AAAI2024
Frequency-Aware Deepfake Detection: Improving Generalizability through Frequency Space Domain LearningChuangchuang Tan, Yao Zhao, Shikui Wei, Guanghua Gu, Ping Liu, Yunchao WeiAAAI Conference on Artificial Intelligence (AAAI 2024)
IJCV2024
Kill Two Birds with One Stone: Domain Generalization for Semantic Segmentation via Network PruningYawei Luo, Ping Liu, Yi YangInternational Journal of Computer Vision
arXiv2024
Evolving from Single-modal to Multi-modal Facial Deepfake Detection: A SurveyPing Liu, Qiqi Tao, Joey Tianyi ZhouarXiv preprintarXiv
arXiv2024
Data-Independent Operator: A Training-Free Artifact Representation Extractor for Generalizable Deepfake DetectionChuangchuang Tan, Ping Liu, Renshuai Tao, Huan Liu, Yao Zhao, Baoyuan Wu, Yunchao WeiarXiv preprintarXiv
arXiv2024
Two Trades is not Baffled: Condense Graph via Crafting Rational Gradient MatchingTianle Zhang, Yuchen Zhang, Kun Wang, Kai Wang, Beining Yang, Kaipeng Zhang, Wenqi Shao, Ping Liu, Joey Tianyi Zhou, Yang YouarXiv preprintarXiv

2023

ICLR2023
Meta Knowledge Condensation for Federated LearningPing Liu^♠, Xin Yu^♠, Joey Tianyi ZhouInternational Conference on Learning Representations (ICLR 2023)
ICIP2023
Unsupervised Domain Adaptive Person Re-Identification with Adaptive Structure LearningYang Peng^♠, Ping Liu^♠, Xiyuan Yang, Pan Zhou, Yawei Luo, Jingen LiuIEEE International Conference on Image Processing (ICIP 2023)
ACM MM2023
CLE Diffusion: Controllable Light Enhancement Diffusion ModelYuyang Yin, Dejia Xu, Chuangchuang Tan, Ping Liu, Yao Zhao, Yunchao WeiACM International Conference on Multimedia (ACM MM 2023)
ICCV2023
Gradient Inversion via Over-parameterized Convolutional Network in Federated LearningChi Zhang, Xiaoman Zhang, Ekanut Sotthiwat, Yanyu Xu, Ping Liu, Liangli Zhen, Yong LiuIEEE/CVF International Conference on Computer Vision (ICCV 2023)
TMM2023
GlassesCLIP: Text-guided Eyeglasses Manipulation with Spatial ConstraintsJiacheng Wang, Ping Liu^†, Jingen Liu, Wei Xu^†IEEE Transactions on Multimedia
arXiv2023
Generating Reliable Pixel-Level Labels for Source Free Domain AdaptationGabriel Tjio, Ping Liu^†, Yawei Luo, Chee-Keong Kwoh, Joey Tianyi ZhouarXiv preprintarXiv
arXiv2023
Dual Stage Stylization Modulation for Domain Generalized Semantic SegmentationGabriel Tjio, Ping Liu^†, Chee-Keong Kwoh, Joey Tianyi ZhouarXiv preprintarXiv

2022

ACM MM2022
Active Learning for Point Cloud Semantic Segmentation via Spatial-Structural Diversity ReasoningFeifei Shao, Yawei Luo, Ping Liu, Jie Chen, Yi Yang, Yulei Lu, Jun XiaoACM International Conference on Multimedia (ACM MM 2022)
WACV2022
Adversarial Semantic Hallucination for Domain Generalized Semantic SegmentationGabriel Tjio, Ping Liu^†, Joey Tianyi Zhou, Rick Goh Siow MongIEEE/CVF Winter Conference on Applications of Computer Vision (WACV 2022)
TIP2022
Pro-UIGAN: Progressive Face Hallucination from Occluded ThumbnailsYang Zhang, Xin Yu, Xiaobo Lu, Ping Liu^†IEEE Transactions on Image Processing
TNNLS2022
Filter Pruning by Switching to Neighboring CNNs with Good AttributesYang He, Ping Liu, Linchao Zhu, Yi YangIEEE Transactions on Neural Networks and Learning Systems
TMM2022
SPG-VTON: Semantic Prediction Guidance for Multi-pose Virtual Try-onBingwen Hu, Ping Liu, Zhedong Zheng, Mingyu RenIEEE Transactions on Multimedia

2021

TCYB2021
Point Adversarial Self Mining: A Simple Method for Facial Expression RecognitionPing Liu, Yuewei Lin, Zibo Meng, Lu Lu, Weihong Deng, Joey Tianyi Zhou, Yi YangIEEE Transactions on Cybernetics
TPAMI2021
Category-Level Adversarial Adaptation for Semantic Segmentation using Purified FeaturesYawei Luo, Ping Liu, Liang Zheng, Tao Guan, Junqing Yu, Yi YangIEEE Transactions on Pattern Analysis and Machine Intelligence
TCYB2021
Unsupervised Visual Representation Learning via Instance Discrimination and SimilarityHehe Fan, Ping Liu, Mingliang Xu, Yi YangIEEE Transactions on Cybernetics
TIP2021
VividGAN: Face Hallucination with Finishing TouchesYang Zhang, Ivor W. Tsang, Jun Li, Ping Liu, Xiaobo Lu, Xin YuIEEE Transactions on Image Processing
TIP2021
Thorax Disease Classification via Discriminative Feature LearningQingji Guan, Yaping Huang, Yawei Luo, Ping Liu, Yi YangIEEE Transactions on Image Processing
arXiv2021
UTSGAN: Unseen Transition Suss GAN for Transition-Aware Image-to-Image TranslationYaxin Shi, Xiaowei Zhou, Ping Liu, Ivor TsangarXiv preprint

2020

NeurIPS2020
Adversarial Style Mining for One-Shot Unsupervised Domain AdaptationYawei Luo, Ping Liu, Tao Guan, Junqing Yu, Yi YangConference on Neural Information Processing Systems (NeurIPS 2020)
PRCV2020
Federated Generative Adversarial LearningChenyou Fan, Ping LiuChinese Conference on Pattern Recognition and Computer Vision (PRCV 2020)
CVPR2020
Learning Filter Pruning Criteria for Deep Convolutional Neural Networks AccelerationYang He, Yuhang Ding, Ping Liu, Linchao Zhu, Hanwang Zhang, Yi YangIEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR 2020)
AAAI2020
Adversarial Localized Energy Networks for Structured PredictionPingbo Pan, Ping Liu, Yan Yan, Tianbao Yang, Yi YangAAAI Conference on Artificial Intelligence (AAAI 2020)
TCYB2020
Unsupervised Eyeglasses Removal in the WildBingwen Hu, Zhedong Zheng, Ping Liu, Wankou Yang, Mingwu RenIEEE Transactions on Cybernetics
PR2020
Every Node Counts: Self-Ensembling Graph Convolutional Networks for Semi-Supervised LearningYawei Luo, Rongrong Ji, Tao Guan, Junqing Yu, Ping Liu, Yi YangPattern Recognition
TCSVT2020
Multi-Granularity Temporal Modeling for Video-based Person Re-identificationPeike Li, Pingbo Pan, Ping Liu, Yi YangIEEE Transactions on Circuits and Systems for Video Technology
arXiv2020
Omni-supervised Facial Expression Recognition via Distilled DataPing Liu, Yunchao Wei, Zibo Meng, Weihong Deng, Joey Tianyi Zhou, Yi YangarXiv preprint

2019

ICCV2019
Significance-aware Information Bottleneck for Domain Adaptive Semantic SegmentationYawei Luo, Ping Liu, Tao Guan, Junqing Yu, Yi YangIEEE/CVF International Conference on Computer Vision (ICCV 2019)
ICCV2019
Improving the Image Captioning Transformer with Entangled AttentionGuang Li, Linchao Zhu, Ping Liu, Yi YangIEEE/CVF International Conference on Computer Vision (ICCV 2019)
ICCV2019
Pose-Guided Feature Alignment for Occluded Person Re-identificationJiaxu Miao, Yu Wu, Ping Liu, Yuhang Ding, Yi YangIEEE/CVF International Conference on Computer Vision (ICCV 2019)
ICCV2019
Very Long Image Prediction by OutpaintingZongxin Yang, Jian Dong, Ping Liu, Yi Yang, Shuicheng YanIEEE/CVF International Conference on Computer Vision (ICCV 2019)
CVPR2019
Pruning Filter via Geometric Median for Deep Convolutional Neural Networks AccelerationOralYang He, Ping Liu, Ziwei Wang, Zhilan Hu, Yi YangIEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR 2019)
MIPR2019
Feature-level and Model-level Audiovisual Fusion for Emotion Recognition in the WildJie Cai, Zibo Meng, Ahmed-Shehab Khan, Zhiyuan Li, James O'Reilly, Shizhong Han, Ping Liu, Min Chen, Yan TongIEEE Conference on Multimedia Information Processing and Retrieval (MIPR 2019)

2018

ECCV2018
A Top-down Approach to Articulated Human Pose Estimation and TrackingGuanghan Ning, Ping Liu, Xiaochuan Fan, Chi ZhangEuropean Conference on Computer Vision (ECCV 2018) Workshop
TCYB2018
Improving Speech Related Facial Action Unit Recognition by Audiovisual Information FusionZibo Meng, Shizhong Han, Ping Liu, Yan TongIEEE Transactions on Cybernetics

2017

FG2017
Identity-Aware Convolutional Neural Network for Facial Expression RecognitionZibo Meng^♠, Ping Liu^♠, Jie Cai, Shizhong Han, Yan TongIEEE International Conference on Automatic Face and Gesture Recognition (FG 2017)

2014

ECCV2014
Feature Disentangling Machine: A Novel Approach of Feature Selection and Disentangling in Facial Expression AnalysisPing Liu, Joey Tianyi Zhou, Ivor Tsang, Zibo Meng, Shizhong Han, Yan TongEuropean Conference on Computer Vision (ECCV 2014)
CVPR2014
Facial Expression Recognition via a Boosted Deep Belief NetworkPing Liu^♠, Shizhong Han^♠, Zibo Meng, Yan TongIEEE Conference on Computer Vision and Pattern Recognition (CVPR 2014)
ICIP2014
Facial Grid Transformation: A Novel Face Registration Approach for Improving Facial Action Unit RecognitionShizhong Han, Zibo Meng, Ping Liu, Yan TongIEEE International Conference on Image Processing (ICIP 2014)

2013

FG2013
Improving Facial Expression Analysis using Histograms of Log-Transformed Nonnegative Sparse Representation with a Spatial Pyramid StructurePing Liu, Shizhong Han, Yan TongIEEE International Conference on Automatic Face and Gesture Recognition (FG 2013)

Ph.D. Thesis: Ping Liu. "Improving Feature Learning, Feature Selection, and Classification in Facial Expression Analysis". University of South Carolina, 2015.