Optical and Sonar Image Classification: Wavelet Packet Transform vs Fourier Transform.
Xiaoou TangW. Kenneth StewartPublished in: Comput. Vis. Image Underst. (2000)
Keyphrases
- fourier transform
- wavelet packet transform
- image classification
- frequency domain
- shift invariant
- wavelet packet
- signal processing
- wavelet transform
- sparse coding
- feature extraction
- wavelet coefficients
- watermarking algorithm
- subband
- texture features
- denoising
- bag of words
- analog circuits
- sparse representation
- image features
- image representation
- wavelet domain
- frequency band
- fourier coefficients
- multiresolution
- high resolution
- spatial domain
- filter bank
- visual words
- image coding
- fuzzy logic
- image compression
- sample set
- computationally efficient
- image segmentation
- image quality