activity
20192026
most citedVision Transformer with Attentive Pooling for Robust Facial Expression Recognition

162 citations · 211 across the 28 of their papers we have counts for

collaborators

29 papers

cs.CV2026

MotionPhys: Detecting AI-Generated Videos via Physical Consistency of Optical-Flow Trajectories

Haojin He, Hao Tan, Zichang Tan +2

Modern AI video generation models can produce videos with high visual fidelity and seemingly smooth temporal transitions. However, visual realism does not necessarily imply physica…

cs.CV2026

Unleashing the Potential of Vision-Language Models for Generalizable AI-Generated Image Detection

Weihan Cai, Hao Tan, Zichang Tan +2

Recent work has shown that a simple linear probe on frozen representations from modern vision foundation models (VFMs) can achieve state-of-the-art AIGI detection performance, subs…

cs.CV2026

Veritas++: Value-aware On-Policy Distillation for Perception-Enhanced AIGI Detection

Hao Tan, Jun Lan, Zichang Tan +7

The growing capability of image generation models has made synthetic images a routine presence in open media, making robust and generalizable AI-Generated Image (AIGI) detection in…

cs.CV2026

HydraPrompt: An Adaptive and Asymmetric Framework of Vision-Language Models for Synthetic Image Detection

Senyuan Shi, Hao Tan, Zichang Tan +4

The rapid evolution of generative models has precipitated a proliferation of fabricated content, posing significant challenges to existing Synthetic Image Detection (SID) methods.…

cs.CV2026

Reduce the Artifacts Bias for More Generalizable AI-Generated Image Detection

Yiheng Li, Yang Yang, Wenhao Wang +4

As the misuse of AI-generated images grows, generalizable image detection techniques are urgently needed. Recent state-of-the-art (SOTA) methods adopt aligned training datasets to…

cs.CV2026

CTForensics: A Comprehensive Dataset and Method for AI-Generated CT Image Detection

Yiheng Li, Zichang Tan, Guoqing Xu +3

Recent advances in generative AI have made synthetic Computed Tomography (CT) images increasingly realistic, enabling promising applications in medical data augmentation while rais…

cs.CV2026

VideoVeritas: AI-Generated Video Detection via Perception Pretext Reinforcement Learning

Hao Tan, Jun Lan, Senyuan Shi +6

The growing capability of video generation poses escalating security risks, making reliable detection increasingly essential. In this paper, we introduce VideoVeritas, a framework…

cs.CL2026

One Ring to Rule Them All: Unifying Group-Based RL via Dynamic Power-Mean Geometry

Weisong Zhao, Tong Wang, Zichang Tan +11

Group-based reinforcement learning has evolved from the arithmetic mean of GRPO to the geometric mean of GMPO. While GMPO improves stability by constraining a conservative objectiv…

cs.CV2025

Veritas: Generalizable Deepfake Detection via Pattern-Aware Reasoning

Hao Tan, Jun Lan, Zichang Tan +7

Deepfake detection remains a formidable challenge due to the complex and evolving nature of fake content in real-world scenarios. However, existing academic benchmarks suffer from…

cs.CV2025

Towards Generalizable AI-Generated Image Detection via Image-Adaptive Prompt Learning

Yiheng Li, Zichang Tan, Guoqing Xu +3

In AI-generated image detection, current cutting-edge methods typically adapt pre-trained foundation models through partial-parameter fine-tuning. However, these approaches often s…

cs.CV2025

Unleashing the Potential of Consistency Learning for Detecting and Grounding Multi-Modal Media Manipulation

Yiheng Li, Yang Yang, Zichang Tan +4

To tackle the threat of fake news, the task of detecting and grounding multi-modal media manipulation DGM4 has received increasing attention. However, most state-of-the-art methods…

cs.CV2025

Recover and Match: Open-Vocabulary Multi-Label Recognition through Knowledge-Constrained Optimal Transport

Hao Tan, Zichang Tan, Jun Li +3

Identifying multiple novel classes in an image, known as open-vocabulary multi-label recognition, is a challenging task in computer vision. Recent studies explore the transfer of p…

cs.CV2024

SSPA: Split-and-Synthesize Prompting with Gated Alignments for Multi-Label Image Recognition

Hao Tan, Zichang Tan, Jun Li +3

Multi-label image recognition is a fundamental task in computer vision. Recently, Vision-Language Models (VLMs) have made notable advancements in this area. However, previous metho…

cs.CV2024★ 1 cited

PVLR: Prompt-driven Visual-Linguistic Representation Learning for Multi-Label Image Recognition

Hao Tan, Zichang Tan, Jun Li +2

Multi-label image recognition is a fundamental task in computer vision. Recently, vision-language models have made notable advancements in this area. However, previous methods ofte…

cs.CV2023★ 3 cited

Group Pose: A Simple Baseline for End-to-End Multi-person Pose Estimation

Huan Liu, Qiang Chen, Zichang Tan +9

In this paper, we study the problem of end-to-end multi-person pose estimation. State-of-the-art solutions adopt the DETR-like framework, and mainly develop the complex decoder, e.…

cs.CV2023

General vs. Long-Tailed Age Estimation: An Approach to Kill Two Birds with One Stone

Zenghao Bao, Zichang Tan, Jun Li +3

Facial age estimation has received a lot of attention for its diverse application scenarios. Most existing studies treat each sample equally and aim to reduce the average estimatio…

cs.CV2023★ 1 cited

NCL++: Nested Collaborative Learning for Long-Tailed Visual Recognition

Zichang Tan, Jun Li, Jinhao Du +3

Long-tailed visual recognition has received increasing attention in recent years. Due to the extremely imbalanced data distribution in long-tailed learning, the learning process sh…

cs.CV2023★ 4 cited

FM-ViT: Flexible Modal Vision Transformers for Face Anti-Spoofing

Ajian Liu, Zichang Tan, Zitong Yu +7

The availability of handy multi-modal (i.e., RGB-D) sensors has brought about a surge of face anti-spoofing research. However, the current multi-modal face presentation attack dete…

cs.CV2023★ 9 cited

Rethinking the Open-Loop Evaluation of End-to-End Autonomous Driving in nuScenes

Jiang-Tian Zhai, Ze Feng, Jinhao Du +6

Modern autonomous driving systems are typically divided into three main tasks: perception, prediction, and planning. The planning task involves predicting the trajectory of the ego…

cs.CV2023★ 1 cited

Task-Oriented Multi-Modal Mutual Leaning for Vision-Language Models

Sifan Long, Zhen Zhao, Junkun Yuan +5

Prompt learning has become one of the most efficient paradigms for adapting large pre-trained vision-language models to downstream tasks. Current state-of-the-art methods, like CoO…

cs.CV2022★ 162 cited

Vision Transformer with Attentive Pooling for Robust Facial Expression Recognition

Fanglei Xue, Qiangchang Wang, Zichang Tan +2

Facial Expression Recognition (FER) in the wild is an extremely challenging task. Recently, some Vision Transformers (ViT) have been explored for FER, but most of them perform infe…

cs.CV2022

Coarse-to-Fine Cascaded Networks with Smooth Predicting for Video Facial Expression Recognition

Fanglei Xue, Zichang Tan, Yu Zhu +2

Facial expression recognition plays an important role in human-computer interaction. In this paper, we propose the Coarse-to-Fine Cascaded network with Smooth Predicting (CFC-SP) t…

cs.CV2022★ 10 cited

Nested Collaborative Learning for Long-Tailed Visual Recognition

Jun Li, Zichang Tan, Jun Wan +2

The networks trained on the long-tailed dataset vary remarkably, despite the same training settings, which shows the great uncertainty in long-tailed learning. To alleviate the unc…

cs.CV2022

Defending Black-box Skeleton-based Human Activity Classifiers

He Wang, Yunfeng Diao, Zichang Tan +1

Skeletal motions have been heavily replied upon for human activity recognition (HAR). Recently, a universal vulnerability of skeleton-based HAR has been identified across a variety…