Soft-signed sparse coding for ground-based cloud classification.
Shuang LiuChunheng WangBaihua XiaoZhong ZhangYunxue ShaoPublished in: ICPR (2012)
Keyphrases
- sparse coding
- dictionary learning
- image classification
- object category recognition
- sparse representation
- unsupervised learning
- natural images
- pattern recognition
- linear combination
- image representation
- feature space
- single image super resolution
- decision trees
- generative model
- machine learning
- group sparsity
- data sets
- supervised learning
- image processing
- spatial pyramid matching
- model selection
- denoising
- object recognition
- visual words
- image patches
- feature extraction
- feature selection
- sparse codes
- computer vision