Quantization opportunities for polyharmonic subdivision wavelets applied to astronomical images.
Ognyan KounchevDamyan KalaglarskyPublished in: CompSysTech (2011)
Keyphrases
- laplacian operator
- image database
- image classification
- object recognition
- input image
- image analysis
- image data
- image features
- three dimensional
- test images
- edge detection
- quantization error
- image registration
- multiresolution
- image retrieval
- feature extraction
- haar wavelet
- multiscale
- color quantization
- image regions
- wavelet bases
- wavelet filters
- directional filter banks
- b spline
- linear combination
- feature points
- signal processing
- wavelet transform
- image sequences