Cryptanalysis of a computer cryptography scheme based on a filter bank
David ArroyoChengqing LiShujun LiGonzalo ÁlvarezPublished in: CoRR (2007)
Keyphrases
- filter bank
- image coding
- subband
- perfect reconstruction
- multiscale
- multiresolution
- signal processing
- discrete cosine transform
- wavelet packet
- subband coding
- frequency domain
- steerable pyramid
- reconstruction error
- hash functions
- low pass
- wavelet filters
- wavelet decomposition
- representation scheme
- post processing
- pattern recognition
- computer vision