Spatial encoding of visual words for image classification.
Dong LiuSheng-sheng WangFatih PorikliPublished in: J. Electronic Imaging (2016)
Keyphrases
- image classification
- visual words
- spatial pyramid
- bag of words
- spatial relationships
- spatial arrangement
- soft assignment
- bag of visual words
- spatial relations
- spatial pyramid matching
- spatial information
- image representation
- discriminative power
- bag of features
- image features
- object categories
- scene classification
- feature extraction
- visual phrases
- visual dictionary
- visual features
- visual vocabulary
- visual categorization
- visual content
- multi label
- sparse coding
- object retrieval
- bag of words models
- spatio temporal
- class specific
- spatial data
- text classification
- image content
- scale space
- semantic context
- machine learning
- visual codebook
- sift descriptors
- keypoints
- sparse representation
- co occurrence
- information retrieval