A Flexible Directional Image Representation Using Pseudo Polar Fourier Transform Based DFBs.
Siqi ShiXuemei XieHuihui LuGuangming ShiYazhong ZhangYongbo LiPublished in: PCM (2012)
Keyphrases
- image representation
- multiscale
- contourlet transform
- image classification
- object recognition
- image features
- bag of words
- visual words
- sparse coding
- image retrieval
- feature space
- sparse representation
- scene classification
- feature extraction
- co occurrence
- machine learning
- similarity measure
- linear combination
- receptive fields