Ajian Liu

Orcid: 0000-0002-7788-9368

Affiliations:
  • Chinese Academy of Sciences, MAIS, CASIA, Institute of Automation, Beijing, China
  • University of Chinese Academy of Sciences, UCAS, School of Artificial Intelligence, Beijing, China
  • Macau University of Science and Technology, School of Computer Science and Engineering, Faculty of Innovation Engineering, Macau (PhD 2021)


According to our database1, Ajian Liu authored at least 54 papers between 2018 and 2025.

Collaborative distances:
  • Dijkstra number2 of four.
  • Erdős number3 of four.

Timeline

Legend:

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PhD thesis 
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Online presence:

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Bibliography

2025
Reliable and Balanced Transfer Learning for Generalized Multimodal Face Anti-Spoofing.
IEEE Trans. Pattern Anal. Mach. Intell., September, 2025

DDL: A Dataset for Interpretable Deepfake Detection and Localization in Real-World Scenarios.
CoRR, June, 2025

Your Classifier Can Do More: Towards Bridging the Gaps in Classification, Robustness, and Generation.
CoRR, May, 2025

Benchmarking Unified Face Attack Detection via Hierarchical Prompt Tuning.
CoRR, May, 2025

MLLM-Enhanced Face Forgery Detection: A Vision-Language Fusion Solution.
CoRR, May, 2025

SUEDE:Shared Unified Experts for Physical-Digital Face Attack Detection Enhancement.
CoRR, April, 2025

Domain Generalization for Face Anti-spoofing via Content-aware Composite Prompt Engineering.
CoRR, April, 2025

FA^{3}-CLIP: Frequency-Aware Cues Fusion and Attack-Agnostic Prompt Learning for Unified Face Attack Detection.
CoRR, April, 2025

Not All Frame Features Are Equal: Video-to-4D Generation via Decoupling Dynamic-Static Features.
CoRR, February, 2025

Vision Transformer With Relation Exploration for Pedestrian Attribute Recognition.
IEEE Trans. Multim., 2025

FA<sup>3</sup>-CLIP: Frequency-Aware Cues Fusion and Attack-Agnostic Prompt Learning for Unified Face Attack Detection.
IEEE Trans. Inf. Forensics Secur., 2025

Visual Prompt Flexible-Modal Face Anti-Spoofing.
IEEE Trans. Dependable Secur. Comput., 2025

TASAR: Transfer-based Attack on Skeletal Action Recognition.
Proceedings of the Thirteenth International Conference on Learning Representations, 2025

Recover and Match: Open-Vocabulary Multi-Label Recognition through Knowledge-Constrained Optimal Transport.
Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition, 2025

Interpretable Face Anti-Spoofing: Enhancing Generalization with Multimodal Large Language Models.
Proceedings of the AAAI-25, Sponsored by the Association for the Advancement of Artificial Intelligence, February 25, 2025

Mixture-of-Attack-Experts with Class Regularization for Unified Physical-Digital Face Attack Detection.
Proceedings of the AAAI-25, Sponsored by the Association for the Advancement of Artificial Intelligence, February 25, 2025

2024
CA-MoEiT: Generalizable Face Anti-spoofing via Dual Cross-Attention and Semi-fixed Mixture-of-Expert.
Int. J. Comput. Vis., November, 2024

Surveillance Face Anti-Spoofing.
IEEE Trans. Inf. Forensics Secur., 2024

TASAR: Transferable Attack on Skeletal Action Recognition.
CoRR, 2024

DAAD: Dynamic Analysis and Adaptive Discriminator for Fake News Detection.
CoRR, 2024

A Unified Framework for Iris Anti-Spoofing: Introducing IrisGeneral Dataset and Masked-MoE Method.
CoRR, 2024

FM-CLIP: Flexible Modal CLIP for Face Anti-Spoofing.
Proceedings of the 32nd ACM International Conference on Multimedia, MM 2024, Melbourne, VIC, Australia, 28 October 2024, 2024

HideMIA: Hidden Wavelet Mining for Privacy-Enhancing Medical Image Analysis.
Proceedings of the 32nd ACM International Conference on Multimedia, MM 2024, Melbourne, VIC, Australia, 28 October 2024, 2024

Unified Physical-Digital Face Attack Detection.
Proceedings of the Thirty-Third International Joint Conference on Artificial Intelligence, 2024

La-SoftMoE CLIP for Unified Physical-Digital Face Attack Detection.
Proceedings of the IEEE International Joint Conference on Biometrics, 2024

CPL-CLIP: Compound Prompt Learning for Flexible-Modal Face Anti-Spoofing.
Proceedings of the IEEE International Joint Conference on Biometrics, 2024

VL-FAS: Domain Generalization via Vision-Language Model For Face Anti-Spoofing.
Proceedings of the IEEE International Conference on Acoustics, 2024

Unified Physical-Digital Attack Detection Challenge.
Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition, 2024

CFPL-FAS: Class Free Prompt Learning for Generalizable Face Anti-Spoofing.
Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition, 2024

Joint Physical-Digital Facial Attack Detection Via Simulating Spoofing Clues.
Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition, 2024

Multi-Domain Incremental Learning for Face Presentation Attack Detection.
Proceedings of the Thirty-Eighth AAAI Conference on Artificial Intelligence, 2024

2023
FM-ViT: Flexible Modal Vision Transformers for Face Anti-Spoofing.
IEEE Trans. Inf. Forensics Secur., 2023

Flexible-Modal Face Anti-Spoofing: A Benchmark.
Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition, 2023

Wild Face Anti-Spoofing Challenge 2023: Benchmark and Results.
Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition, 2023

Attack-Agnostic Deep Face Anti-Spoofing.
Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition, 2023

Surveillance Face Presentation Attack Detection Challenge.
Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition, 2023

2022
Cross-Batch Hard Example Mining With Pseudo Large Batch for ID vs. Spot Face Recognition.
IEEE Trans. Image Process., 2022

Contrastive Context-Aware Learning for 3D High-Fidelity Mask Face Presentation Attack Detection.
IEEE Trans. Inf. Forensics Secur., 2022

Exploring the Limits of Hard Example Mining for ID Document to Selfie Matching.
IEEE Trans. Biom. Behav. Identity Sci., 2022

MA-ViT: Modality-Agnostic Vision Transformers for Face Anti-Spoofing.
Proceedings of the Thirty-First International Joint Conference on Artificial Intelligence, 2022

Disentangling Facial Pose and Appearance Information for Face Anti-spoofing.
Proceedings of the 26th International Conference on Pattern Recognition, 2022

2021
Face Anti-Spoofing via Adversarial Cross-Modality Translation.
IEEE Trans. Inf. Forensics Secur., 2021

Cross-ethnicity face anti-spoofing recognition challenge: A review.
IET Biom., 2021

CASIA-SURF CeFA: A Benchmark for Multi-modal Cross-ethnicity Face Anti-spoofing.
Proceedings of the IEEE Winter Conference on Applications of Computer Vision, 2021

3D High-Fidelity Mask Face Presentation Attack Detection Challenge.
Proceedings of the IEEE/CVF International Conference on Computer Vision Workshops, 2021

2020
CASIA-SURF: A Large-Scale Multi-Modal Benchmark for Face Anti-Spoofing.
IEEE Trans. Biom. Behav. Identity Sci., 2020

Cross-ethnicity Face Anti-spoofing Recognition Challenge: A Review.
CoRR, 2020

CASIA-SURF CeFA: A Benchmark for Multi-modal Cross-ethnicity Face Anti-spoofing.
CoRR, 2020

3DPC-Net: 3D Point Cloud Network for Face Anti-spoofing.
Proceedings of the 2020 IEEE International Joint Conference on Biometrics, 2020

2019
Static and Dynamic Fusion for Multi-modal Cross-ethnicity Face Anti-spoofing.
CoRR, 2019

Person Re-Identification via Feature Representation Learning Based on Verification Sample Constrain.
Proceedings of the 2019 International Conference on Machine Learning and Cybernetics, 2019

A Dataset and Benchmark for Large-Scale Multi-Modal Face Anti-Spoofing.
Proceedings of the IEEE Conference on Computer Vision and Pattern Recognition, 2019

Multi-Modal Face Anti-Spoofing Attack Detection Challenge at CVPR2019.
Proceedings of the IEEE Conference on Computer Vision and Pattern Recognition Workshops, 2019

2018
CASIA-SURF: A Dataset and Benchmark for Large-scale Multi-modal Face Anti-spoofing.
CoRR, 2018


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