Optical encryption of gray image based on the fourier computer generated hologram and logical modulation.
Ying WangQiong-Hua WangQi LiuJun WangPublished in: CISP-BMEI (2016)
Keyphrases
- computer generated
- digital holography
- digital camera
- three dimensional
- secret key
- fourier transform
- virtual humans
- encryption algorithms
- photographic images
- frequency domain
- radon transform
- series expansion
- fourier spectrum
- computer vision
- low cost
- phase shifting
- image encryption
- ciphertext
- fourier domain
- encryption scheme
- light source