An Approach to Heroin Detecting Based on Wavelet Transforms.
Xu HuiNanSheng KangMingQiang LiLu WeiPublished in: CSIE (6) (2009)
Keyphrases
- wavelet transform
- image compression
- automatic detection
- multiscale
- subband
- wavelet transformation
- translation invariant
- low frequency
- multiresolution
- shift invariance
- databases
- lossless image compression
- wavelet domain
- high frequency
- wavelet coefficients
- feature extraction
- case study
- learning algorithm
- genetic algorithm
- neural network