Design of a new DFT filter bank with modified sampling kernels and its application to arbitrary image scaling.
J. Y. KimSang Won NamPublished in: IEICE Electron. Express (2009)
Keyphrases
- filter bank
- multiscale
- perfect reconstruction
- image features
- frequency domain
- image data
- image segmentation
- discrete fourier transform
- wavelet frame
- input image
- image classification
- image coding
- image representation
- post processing
- steerable pyramid
- filter coefficients
- contrast enhancement
- low frequency
- wavelet filters
- building blocks
- feature space
- directional information
- high resolution
- filter responses
- wavelet packet
- reconstruction error
- computer vision
- discrete cosine transform
- wavelet transform
- wavelet decomposition
- wavelet domain
- infinite impulse response
- edge detection
- signal processing