Ajian Liu

According to our database, Ajian Liu authored at least 25 papers between 2018 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of three.

2024

Surveillance Face Anti-Spoofing.

Hao Fang, Ajian Liu, Jun Wan, Sergio Escalera, Chenxu Zhao, Xu Zhang, Stan Z. Li, Zhen Lei

IEEE Trans. Inf. Forensics Secur., 2024

La-SoftMoE CLIP for Unified Physical-Digital Face Attack Detection.

Hang Zou, Chenxi Du, Hui Zhang, Yuan Zhang, Ajian Liu, Jun Wan, Zhen Lei

CoRR, 2024

FM-CLIP: Flexible Modal CLIP for Face Anti-Spoofing.

Ajian Liu, Hui Ma, Junze Zheng, Haocheng Yuan, Xiaoyuan Yu, Yanyan Liang, Sergio Escalera, Jun Wan, Zhen Lei

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.

Xun Lin, Yi Yu, Zitong Yu, Ruohan Meng, Jiale Zhou, Ajian Liu, Yizhong Liu, Shuai Wang, Wenzhong Tang, Zhen Lei, Alex C. Kot

Proceedings of the 32nd ACM International Conference on Multimedia, MM 2024, Melbourne, VIC, Australia, 28 October 2024, 2024

Unified Physical-Digital Face Attack Detection.

Hao Fang, Ajian Liu, Haocheng Yuan, Junze Zheng, Dingheng Zeng, Yanhong Liu, Jiankang Deng, Sergio Escalera, Xiaoming Liu, Jun Wan, Zhen Lei

Proceedings of the Thirty-Third International Joint Conference on Artificial Intelligence, 2024

CPL-CLIP: Compound Prompt Learning for Flexible-Modal Face Anti-Spoofing.

Ying Zhang, Xiangyu Zhu, Ajian Liu, Xun Lin, Jun Wan, Jing Zhang, Zhen Lei

Proceedings of the IEEE International Joint Conference on Biometrics, 2024

Unified Physical-Digital Attack Detection Challenge.

Haocheng Yuan, Ajian Liu, Junze Zheng, Jun Wan, Jiankang Deng, Sergio Escalera, Hugo Jair Escalante, Isabelle Guyon, Zhen Lei

Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition, 2024

CFPL-FAS: Class Free Prompt Learning for Generalizable Face Anti-Spoofing.

Ajian Liu, Shuai Xue, Jianwen Gan, Jun Wan, Yanyan Liang, Jiankang Deng, Sergio Escalera, Zhen Lei

Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition, 2024

2023

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

Ajian Liu, Zichang Tan, Zitong Yu, Chenxu Zhao, Jun Wan, Yanyan Liang, Zhen Lei, Du Zhang, Stan Z. Li, Guodong Guo

IEEE Trans. Inf. Forensics Secur., 2023

Wild Face Anti-Spoofing Challenge 2023: Benchmark and Results.

Dong Wang, Jia Guo, Qiqi Shao, Haochi He, Zhian Chen, Chuanbao Xiao, Ajian Liu, Sergio Escalera, Hugo Jair Escalante, Zhen Lei, Jun Wan, Jiankang Deng

Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition, 2023

Surveillance Face Presentation Attack Detection Challenge.

Hao Fang, Ajian Liu, Jun Wan, Sergio Escalera, Hugo Jair Escalante, Zhen Lei

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.

Zichang Tan, Ajian Liu, Jun Wan, Hao Li, Zhen Lei, Guodong Guo, Stan Z. Li

IEEE Trans. Image Process., 2022

Contrastive Context-Aware Learning for 3D High-Fidelity Mask Face Presentation Attack Detection.

Ajian Liu, Chenxu Zhao, Zitong Yu, Jun Wan, Anyang Su, Xing Liu, Zichang Tan, Sergio Escalera, Junliang Xing, Yanyan Liang, Guodong Guo, Zhen Lei, Stan Z. Li, Du Zhang

IEEE Trans. Inf. Forensics Secur., 2022

Exploring the Limits of Hard Example Mining for ID Document to Selfie Matching.

Zichang Tan, Ajian Liu, Jun Wan, Zhen Lei, Guodong Guo

IEEE Trans. Biom. Behav. Identity Sci., 2022

2021

Cross-ethnicity face anti-spoofing recognition challenge: A review.

Ajian Liu, Xuan Li, Jun Wan, Yanyan Liang, Sergio Escalera, Hugo Jair Escalante, Meysam Madadi, Yi Jin, Zhuoyuan Wu, Xiaogang Yu, Zichang Tan, Qi Yuan, Ruikun Yang, Benjia Zhou, Guodong Guo, Stan Z. Li

IET Biom., 2021

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

Ajian Liu, Zichang Tan, Jun Wan, Sergio Escalera, Guodong Guo, Stan Z. Li

Proceedings of the IEEE Winter Conference on Applications of Computer Vision, 2021

3D High-Fidelity Mask Face Presentation Attack Detection Challenge.

Ajian Liu, Chenxu Zhao, Zitong Yu, Anyang Su, Xing Liu, Zijian Kong, Jun Wan, Sergio Escalera, Hugo Jair Escalante, Zhen Lei, Guodong Guo

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.

Shifeng Zhang, Ajian Liu, Jun Wan, Yanyan Liang, Guodong Guo, Sergio Escalera, Hugo Jair Escalante, Stan Z. Li

IEEE Trans. Biom. Behav. Identity Sci., 2020

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

Ajian Liu, Xuan Li, Jun Wan, Sergio Escalera, Hugo Jair Escalante, Meysam Madadi, Yi Jin, Zhuoyuan Wu, Xiaogang Yu, Zichang Tan, Qi Yuan, Ruikun Yang, Benjia Zhou, Guodong Guo, Stan Z. Li

CoRR, 2020

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

Ajian Liu, Zichang Tan, Xuan Li, Jun Wan, Sergio Escalera, Guodong Guo, Stan Z. Li

CoRR, 2020

3DPC-Net: 3D Point Cloud Network for Face Anti-spoofing.

Xuan Li, Jun Wan, Yi Jin, Ajian Liu, Guodong Guo, Stan Z. Li

Proceedings of the 2020 IEEE International Joint Conference on Biometrics, 2020

2019

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

Ajian Liu, Zichang Tan, Xuan Li, Jun Wan, Sergio Escalera, Guodong Guo, Stan Z. Li

CoRR, 2019

A Dataset and Benchmark for Large-Scale Multi-Modal Face Anti-Spoofing.

Shifeng Zhang, Xiaobo Wang, Ajian Liu, Chenxu Zhao, Jun Wan, Sergio Escalera, Hailin Shi, Zezheng Wang, Stan Z. Li

Proceedings of the IEEE Conference on Computer Vision and Pattern Recognition, 2019

Multi-Modal Face Anti-Spoofing Attack Detection Challenge at CVPR2019.

Ajian Liu, Jun Wan, Sergio Escalera, Hugo Jair Escalante, Zichang Tan, Qi Yuan, Kai Wang, Chi Lin, Guodong Guo, Isabelle Guyon, Stan Z. Li

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.

Shifeng Zhang, Xiaobo Wang, Ajian Liu, Chenxu Zhao, Jun Wan, Sergio Escalera, Hailin Shi, Zezheng Wang, Stan Z. Li

CoRR, 2018