Skin lesion image classification using sparse representation in quaternion wavelet domain.
Long H. NgoMarie LuongNikolay Metodiev SirakovEmmanuel ViennetThuong Le-TienPublished in: Signal Image Video Process. (2022)
Keyphrases
- sparse representation
- wavelet domain
- image classification
- skin lesion
- spatial domain
- denoising
- wavelet coefficients
- wavelet transform
- dictionary learning
- multiscale
- fourier transform
- image representation
- sparse coding
- bag of words
- frequency domain
- multiresolution
- image denoising
- computer aided
- digital image processing
- human visual system
- feature extraction
- high frequency
- image patches
- early detection
- subband
- visual features
- image features
- visual words
- image processing
- natural images
- image compression
- signal processing
- motion estimation