A Hybrid Approach for Image Classification Based on Sparse Coding and Wavelet Decomposition.
Amel Ben SaidIntidhar JemelRidha EjbaliMourad ZaiedPublished in: AICCSA (2017)
Keyphrases
- wavelet decomposition
- sparse coding
- image classification
- multiresolution
- wavelet transform
- dictionary learning
- multiscale
- subband
- wavelet domain
- sparse representation
- image representation
- visual words
- feature extraction
- feature vectors
- image features
- visual features
- high frequency
- bag of words
- wavelet coefficients
- sparse codes
- sar images
- image compression
- visual recognition
- codebook generation
- natural images
- spatial pyramid matching
- ground truth
- image processing
- unsupervised learning
- spatial resolution
- generative model
- edge detection
- frequency domain