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Zhenguang Liu

30 accepted papers

2026

Attentive Keypoint Identification: Progressive Spatiotemporal Refinement for Video-based Human Pose Estimation

AAAI 2026technical

Video-based human pose estimation has vast applications such as action recognition, sports analytics, and crime detection. However, this task is challenging as it involves interpreting both spatial context and temporal dynamics to accurately localize human anatomical keypoints in video sequences. Cu

Cited by 0SourcePDFScholar
2026

DiffusionPose: Markov-Optimized Diffusion Model for Human Pose Estimation

AAAI 2026technical

Video-based human pose estimation has long been a nontrivial task due to its dynamic nature and challenging detection scenarios such as occlusion and defocus. Inspired by the success of diffusion models, researchers have applied them to video pose estimation, outperforming traditional joint detectio

Cited by 0SourcePDFScholar
2026

Dual Coding Theory in Action: Language-Assisted Human Pose Estimation in Videos

AAAI 2026technical

Video-based human pose estimation aims to localize keypoints across frames, enabling robust analysis of human motion in applications such as sports, surveillance, and healthcare. However, existing methods rely solely on visual cues, limiting their robustness in complex scenes involving occlusion, mo

Cited by 0SourcePDFScholar
2025

Causal-Inspired Multitask Learning for Video-Based Human Pose Estimation

AAAI 2025technical

Video-based human pose estimation has long been a fundamental yet challenging problem in computer vision. Previous studies focus on spatio-temporal modeling through the enhancement of architecture design and optimization strategies. However, they overlook the causal relationships in the joints, lead…

Cited by 1SourcePDFScholar
2025

FSFM: A Generalizable Face Security Foundation Model via Self-Supervised Facial Representation Learning

CVPR 2025poster

This work asks: with abundant, unlabeled real faces, how to learn a robust and transferable facial representation that boosts various face security tasks with respect to generalization performance? We make the first attempt and propose a self-supervised pretraining framework to learn fundamental rep…

2025

HVIS: A Human-like Vision and Inference System for Human Motion Prediction

AAAI 2025technical

Grasping the intricacies of human motion, which involve perceiving spatio-temporal dependence and multi-scale effects, is essential for predicting human motion. While humans inherently possess the requisite skills to navigate this issue, it proves to be markedly more challenging for machines to emul…

Cited by 1SourcePDFScholar
2025

Harnessing Frequency Spectrum Insights for Image Copyright Protection Against Diffusion Models

CVPR 2025poster

Diffusion models have achieved remarkable success in novel view synthesis, but their reliance on large, diverse, and often untraceable Web datasets has raised pressing concerns about image copyright protection. Current methods fall short in reliably identifying unauthorized image use, as they strugg…

2025

MTVHunter: Smart Contracts Vulnerability Detection Based on Multi-Teacher Knowledge Translation

AAAI 2025technical

Smart contracts, closely intertwined with cryptocurrency transactions, have sparked widespread concerns about considerable financial losses of security issues. To counteract this, a variety of tools have been developed to identify vulnerability in smart contract. However, they fail to overcome two c…

2025

Multi-Grained Feature Pruning for Video-Based Human Pose Estimation

ICASSP 2025accepted

Human pose estimation, with its broad applications in action recognition and motion capture, has experienced significant advancements. However, current Transformer-based methods for video pose estimation often face challenges in managing redundant temporal information and achieving fine-grained perc…

Cited by 0SourceScholar
2025

Optimizing Human Pose Estimation Through Focused Human and Joint Regions

AAAI 2025technical

Human pose estimation has given rise to a broad spectrum of novel and compelling applications, including action recognition, sports analysis, as well as surveillance. However, accurate video pose estimation remains an open challenge. One aspect that has been overlooked so far is that existing method…

Cited by 1SourcePDFScholar
2025

PhyCamo: A Robust Physical Camouflage via Contrastive Learning for Multi-View Physical Adversarial Attack

AAAI 2025technical

Deep neural networks (DNNs) have achieved remarkable success in widespread applications. Meanwhile, its vulnerability towards carefully crafted adversarial attacks captures special attention. Not only adversarial perturbations in digital space will fool the target DNNs-based detectors making a wrong…

2025

SpatioTemporal Learning for Human Pose Estimation in Sparsely-Labeled Videos

AAAI 2025technical

Human pose estimation in videos remains a challenge, largely due to the reliance on extensive manual annotation of large datasets, which is expensive and labor-intensive. Furthermore, existing approaches often struggle to capture long-range temporal dependencies and overlook the complementary relati…

Cited by 1SourcePDFScholar
2024

Exposing the Deception: Uncovering More Forgery Clues for Deepfake Detection

AAAI 2024technical

Deepfake technology has given rise to a spectrum of novel and compelling applications. Unfortunately, the widespread proliferation of high-fidelity fake videos has led to pervasive confusion and deception, shattering our faith that seeing is believing. One aspect that has been overlooked so far is t…

2024

Let All Be Whitened: Multi-Teacher Distillation for Efficient Visual Retrieval

AAAI 2024technical

Visual retrieval aims to search for the most relevant visual items, e.g., images and videos, from a candidate gallery with a given query item. Accuracy and efficiency are two competing objectives in retrieval tasks. Instead of crafting a new method pursuing further improvement on accuracy, in this p…

2024

Rethinking Human Motion Prediction with Symplectic Integral

CVPR 2024poster

Long-term and accurate forecasting is the long-standing pursuit of the human motion prediction task. Existing methods typically suffer from dramatic degradation in prediction accuracy with the increasing prediction horizon. It comes down to two reasons:1? Insufficient numerical stability.Unforeseen…

Cited by 2SourcePDFScholar
2023

Action Recognition with Multi-stream Motion Modeling and Mutual Information Maximization

IJCAI 2023poster

Action recognition has long been a fundamental and intriguing problem in artificial intelligence. The task is challenging due to the high dimensionality nature of an action, as well as the subtle motion details to be considered. Current state-of-the-art approaches typically learn from articulated mo…

2023

CrossMatch: Source-Free Domain Adaptive Semantic Segmentation via Cross-Modal Consistency Training

ICCV 2023poster

Source-free domain adaptive semantic segmentation has gained increasing attention recently. It eases the requirement of full data access to the source domain by transferring knowledge only from a well-trained source model. However, reducing the uncertainty of the target pseudo labels becomes inevita…

Cited by 15PDFScholar
2023

LargeST: A Benchmark Dataset for Large-Scale Traffic Forecasting

NeurIPS 2023poster

Road traffic forecasting plays a critical role in smart city initiatives and has experienced significant advancements thanks to the power of deep learning in capturing non-linear patterns of traffic data. However, the promising results achieved on current public datasets may not be applicable to pra…

2022

Copy Motion From One to Another: Fake Motion Video Generation

IJCAI 2022poster

One compelling application of artificial intelligence is to generate a video of a target person performing arbitrary desired motion (from a source person). While the state-of-the-art methods are able to synthesize a video demonstrating similar broad stroke motion details, they are generally lacking…

2022

Invariant Feature Learning for Generalized Long-Tailed Classification

ECCV 2022poster

"Existing long-tailed classification (LT) methods only focus on tackling the class-wise imbalance that head classes have more samples than tail classes, but overlook the attribute-wise imbalance. In fact, even if the class is balanced, samples within each class may still be long-tailed due to the va…

2022

Temporal Feature Alignment and Mutual Information Maximization for Video-Based Human Pose Estimation

CVPR 2022oral

Multi-frame human pose estimation has long been a compelling and fundamental problem in computer vision. This task is challenging due to fast motion and pose occlusion that frequently occur in videos. State-of-the-art methods strive to incorporate additional visual evidences from neighboring frames…

Cited by 82PDFcodeScholar
2021

A Spatial Regulated Patch-Wise Approach for Cervical Dysplasia Diagnosis

AAAI 2021technical

Cervical dysplasia diagnosis via visual investigation is a challenging problem. Recent approaches use deep learning techniques to extract features and require the downsampling of high-resolution cervical screening images to smaller sizes for training. Such a reduction may result in the loss of visua…

Cited by 8SourcePDFScholar
2021

Aggregated Multi-GANs for Controlled 3D Human Motion Prediction

AAAI 2021technical

Human motion prediction from historical pose sequence is at the core of many applications in machine intelligence. However, in current state-of-the-art methods, the predicted future motion is confined within the same activity. One can neither generate predictions that differ from the current activit…

2021

Deep Dual Consecutive Network for Human Pose Estimation

CVPR 2021poster

Multi-frame human pose estimation in complicated situations is challenging. Although state-of-the-art human joints detectors have demonstrated remarkable results for static images, their performances come short when we apply these models to video sequences. Prevalent shortcomings include the failure…

Cited by 166PDFcodeScholar
2021

Enhanced Audio Tagging via Multi- to Single-Modal Teacher-Student Mutual Learning

AAAI 2021technical

Recognizing ongoing events based on acoustic clues has been a critical yet challenging problem that has attracted significant research attention in recent years. Joint audio-visual analysis can improve the event detection accuracy but may not always be feasible as under many circumstances only audio…

Cited by 16SourcePDFScholar
2021

Motion Prediction Using Trajectory Cues

ICCV 2021poster

Predicting human motion from a historical pose sequence is at the core of many applications in computer vision. Current state-of-the-art methods concentrate on learning motion contexts in the pose space, however, the high dimensionality and complex nature of human pose invoke inherent difficulties i…

Cited by 64PDFcodeScholar
2021

Smart Contract Vulnerability Detection: From Pure Neural Network to Interpretable Graph Feature and Expert Pattern Fusion

IJCAI 2021poster

Smart contracts hold digital coins worth billions of dollars, their security issues have drawn extensive attention in the past years. Towards smart contract vulnerability detection, conventional methods heavily rely on fixed expert rules, leading to low accuracy and poor scalability. Recent deep lea…

2020

Smart Contract Vulnerability Detection using Graph Neural Network

IJCAI 2020poster

The security problems of smart contracts have drawn extensive attention due to the enormous financial losses caused by vulnerabilities. Existing methods on smart contract vulnerability detection heavily rely on fixed expert rules, leading to low detection accuracy. In this paper, we explore using gr…

2019

Towards Natural and Accurate Future Motion Prediction of Humans and Animals

CVPR 2019poster

Anticipating the future motions of 3D articulate objects is challenging due to its non-linear and highly stochastic nature. Current approaches typically represent the skeleton of an articulate object as a set of 3D joints, which unfortunately ignores the relationship between joints, and fails to enc…

Cited by 157PDFScholar