Automatic Annotation of Satellite Images via Multifeature Joint Sparse Coding With Spatial Relation Constraint.
Xinwei ZhengXian SunKun FuHongqi WangPublished in: IEEE Geosci. Remote. Sens. Lett. (2013)
Keyphrases
- satellite images
- sparse coding
- automatic annotation
- spatial relations
- visual words
- natural images
- multispectral
- content based retrieval
- image classification
- sparse representation
- image annotation
- semantic annotation
- image representation
- remote sensing
- spatial information
- bag of words
- unsupervised learning
- visual information
- generative model
- image retrieval
- low level features
- image patches
- high resolution
- closely related
- visual features
- high dimensional
- spatial relationships
- information retrieval
- co occurrence
- visual concepts
- multiscale
- feature extraction
- object categories
- image features
- semi supervised
- denoising
- image content
- keypoints