Cloud Type Classification of Total-Sky Images Using Duplex Norm-Bounded Sparse Coding.
Jinrui GanWeitao LuQingyong LiZhen ZhangJun YangYing MaWen YaoPublished in: IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. (2017)
Keyphrases
- image classification
- sparse coding
- object category recognition
- dictionary learning
- sparse representation
- spatial pyramid matching
- natural images
- image features
- input image
- image data
- unsupervised learning
- sparse codes
- feature extraction
- image representation
- object recognition
- object categories
- test images
- feature selection
- visual words
- bag of words
- linear combination
- co occurrence
- norm minimization
- ground truth
- feature space
- machine learning
- model selection
- small number
- feature vectors
- intra class variations