Efficient image encryption and decryption using discrete wavelet transform and fractional Fourier transform.
Prerana SharmaDevesh MishraAnkur AgarwalPublished in: SIN (2012)
Keyphrases
- discrete wavelet transform
- fractional fourier transform
- haar wavelet transform
- low frequency
- image features
- multiscale
- image data
- image segmentation
- dual tree
- input image
- template matching
- high frequency
- image analysis
- image fusion
- image classification
- image retrieval
- log polar
- high resolution
- object recognition
- shift invariant
- multiresolution
- wavelet domain
- subband
- wavelet transform
- region of interest
- image representation
- image compression
- feature selection