Funding for this research was provided by:
Fundamental Research Funds for the Central Universities
University of Chinese Academy of Sciences
Fusion Foundation of Research and Education of CAS
National Natural Science Foundation of China (61975205)
Research and Development Program of China (2021YFB3602604)
Article Title: Optical information hiding system with pixel-free expansion visual cryptography
Journal Title: Journal of Optics
Article Type: paper
Copyright Information: © 2024 IOP Publishing Ltd. All rights, including for text and data mining, AI training, and similar technologies, are reserved.
Publication dates
Date Received: 2024-04-13
Date Accepted: 2024-07-17
Online publication date: 2024-09-03