Performance evaluation of DCT and wavelet transform for LSI.
Tareq JaberAbbes AmiraPeter MilliganPublished in: ISCAS (2008)
Keyphrases
- wavelet transform
- image compression
- discrete cosine transform
- subband
- multiresolution
- image coding
- latent semantic indexing
- multiscale
- high frequency
- wavelet coefficients
- low bit rate
- compression algorithm
- wavelet domain
- wavelet coding
- wavelet filters
- dct coefficients
- low frequency
- feature extraction
- filter bank
- compressed images
- wavelet analysis
- translation invariant
- lifting scheme
- multi resolution analysis
- blocking artifacts
- transform coefficients
- jpeg images
- wavelet bases
- lossless compression
- text retrieval
- vector space
- compression ratio
- transform domain