A Hybrid Encryption Technique for Digital Holography using DCT and DWT.
Hyun-Jun ChoiYoung-Ho SeoDong-Wook KimPublished in: J. Inform. and Commun. Convergence Engineering (2011)
Keyphrases
- discrete cosine transform
- digital holography
- discrete wavelet transform
- multiresolution
- image watermarking
- wavelet transform
- image compression
- high frequency
- dct coefficients
- transform domain
- jpeg compression
- image authentication
- phase shifting
- computational complexity
- reference frame
- low frequency
- wavelet domain
- spatial domain
- jpeg images
- space time
- subband