My work spans multimodal LLMs, computer vision, biometric security, and applied multimedia understanding. For the most up-to-date record, please refer to the profiles below.

Google Scholar OpenReview ORCID

Selected Recent and Representative Work

A compact view of the topics that have shaped my research trajectory, from multimodal reasoning to biometric security.

Grasp Any Region: Towards Precise, Contextual Pixel Understanding for Multimodal LLMs

Haochen Wang, Yuhao Wang, Tao Zhang, Yikang Zhou, Yanwei Li, Jiacong Wang, Jiani Zheng, Ye Tian, Jiahao Meng, Zilong Huang, Guangcan Mai, Anran Wang, Yunhai Tong, Zhuochen Wang, Xiangtai Li, and Zhaoxiang Zhang. ICLR 2026 Poster

Precise region-level perception, multi-region interaction modeling, and compositional reasoning for multimodal LLMs.

OpenReview arXiv

SecureFace: Face Template Protection

Guangcan Mai, Kai Cao, Xiangyuan Lan, and Pong C. Yuen. IEEE Transactions on Information Forensics and Security, 2021

Template protection for face recognition with strong attention to privacy and security requirements.

DOI

On the Reconstruction of Face Images from Deep Face Templates

Guangcan Mai, Kai Cao, Pong C. Yuen, and Anil K. Jain. IEEE Transactions on Pattern Analysis and Machine Intelligence, 2019

A study of the reconstruction risks behind deep face templates and their security implications.

DOI arXiv

Journal Papers

SecureFace: Face Template Protection

Guangcan Mai, Kai Cao, Xiangyuan Lan, and Pong C. Yuen. IEEE Transactions on Information Forensics and Security, 2021
DOI

On the Reconstruction of Face Images from Deep Face Templates

Guangcan Mai, Kai Cao, Pong C. Yuen, and Anil K. Jain. IEEE Transactions on Pattern Analysis and Machine Intelligence, 2019
DOI arXiv

Binary Feature Fusion for Discriminative and Secure Multi-biometric Cryptosystems

Guangcan Mai, Meng-Hui Lim, and Pong C. Yuen. Image and Vision Computing, 2017
DOI

Learning Discriminability-preserving Histogram Representation from Unordered Features for Multibiometric Feature-fused-template Protection

Meng-Hui Lim, Sunny Verma, Guangcan Mai, and Pong C. Yuen. Pattern Recognition, 2016
DOI

Conference Papers

Grasp Any Region: Towards Precise, Contextual Pixel Understanding for Multimodal LLMs

Haochen Wang, Yuhao Wang, Tao Zhang, Yikang Zhou, Yanwei Li, Jiacong Wang, Jiani Zheng, Ye Tian, Jiahao Meng, Zilong Huang, Guangcan Mai, Anran Wang, Yunhai Tong, Zhuochen Wang, Xiangtai Li, and Zhaoxiang Zhang. ICLR 2026 Poster
OpenReview arXiv

LeapDetect: An Agile Platform for Inspecting Power Transmission Lines from Drones

Guangcan Mai, Renjie Gou, Liya Ji, Hua Wu, Fei Cao, Qifeng Chen, and Jun Luo. IEEE International Conference on Data Mining Workshops, Demo Session, 2019
DOI

On the Guessability of Binary Biometric Templates: A Practical Guessing Entropy based Approach

Guangcan Mai, Meng-Hui Lim, and Pong C. Yuen. International Joint Conference on Biometrics, 2017
DOI

Fusing Binary Templates for Multi-biometric Cryptosystems

Guangcan Mai, Meng-Hui Lim, and Pong C. Yuen. IEEE International Conference on Biometrics: Theory, Applications and Systems, 2015
DOI

Thesis

Biometric System Security and Privacy: Data Reconstruction and Template Protection

Guangcan Mai. Ph.D. Thesis, Hong Kong Baptist University, 2018