Estimating the amount of defocus through a wavelet transform approach.
Jinlong LinChao ZhangQingyun ShiPublished in: Pattern Recognit. Lett. (2004)
Keyphrases
- wavelet transform
- multiscale
- multiresolution
- wavelet coefficients
- image coding
- image compression
- subband
- high frequency
- wavelet domain
- wavelet analysis
- wavelet filters
- low frequency
- multiresolution analysis
- shape recovery
- wavelet bases
- image processing
- multi resolution analysis
- multiresolution representation
- high quality
- feature extraction