Abstract
We propose a novel random fractional Fourier transform by randomizing the transform kernel function of the conventional fractional Fourier transform. The random fractional Fourier transform inherits the excellent mathematical properties from the fractional Fourier transform and can be easily implemented in optics. As a primary application the random fractional Fourier transform can be directly used in optical image encryption and decryption. The double phase encoding image encryption schemes can thus be modeled with cascaded random fractional Fourier transformers.
© 2007 Optical Society of America
Full Article | PDF ArticleMore Like This
Zhengjun Liu and Shutian Liu
Opt. Lett. 32(5) 478-480 (2007)
Zhou Xin, Yuan Sheng, Wang Sheng-wei, and Xie Jian
Appl. Opt. 45(33) 8434-8439 (2006)
Ran Tao, Yi Xin, and Yue Wang
Opt. Express 15(24) 16067-16079 (2007)