A novel image tag saliency ranking algorithm based on sparse representation.
Caixia WangZehai SongSonghe FengCongyan LangShuicheng YanPublished in: VCIP (2013)
Keyphrases
- sparse representation
- ranking algorithm
- tag relevance
- image classification
- tag ranking
- image representation
- test images
- web image search
- dictionary learning
- image content
- image features
- reconstruction error
- image data
- sparse coding
- sparse coefficients
- piecewise smooth
- multiscale
- image collections
- input image
- face recognition
- joint optimization
- image retrieval
- image regions
- compressive sensing
- image patches
- single image
- object recognition
- compressed sensing
- random projections
- high dimensional data
- saliency detection
- image segmentation
- bag of words
- data sets
- linear combination
- sparse reconstruction
- low dimensional
- affinity graph
- principal component analysis
- computer vision