Efficient Image Encryption and Decryption Using Discrete Wavelet Transform and Fractional Fourier Transform.

Published in: CoRR (2014)

Keyphrases

discrete wavelet transform
fractional fourier transform
haar wavelet transform
dual tree
image features
input image
multiresolution
image retrieval
image analysis
high resolution
wavelet domain
image classification
multiscale
low frequency
log polar
image data
image representation
wavelet coefficients
template matching
image segmentation
computer vision
shift invariant
image structure
denoising
high frequency
motion estimation
computational complexity
similarity measure
image processing