Low-contrast satellite images enhancement using discrete cosine transform pyramid and singular value decomposition.
Randa AttaMohammed GhanbariPublished in: IET Image Process. (2013)
Keyphrases
- singular value decomposition
- low contrast
- satellite images
- discrete cosine transform
- contrast enhancement
- image compression
- filter bank
- multispectral
- high contrast
- multiscale
- dct coefficients
- change detection
- multiresolution
- blood vessels
- fully automatic
- image enhancement
- transform domain
- remote sensing
- least squares
- image processing
- high resolution
- low rank
- singular values
- gray level
- reconstruction error
- principal component analysis
- dimensionality reduction
- image data
- image representation
- color images
- subband
- data sets
- low rank approximation
- input image
- feature vectors
- wavelet transform