Nonnegative sparse coding induced hashing for image copy detection.
Fuhao ZouHui FengHefei LingCong LiuLingyu YanPing LiDan LiPublished in: Neurocomputing (2013)
Keyphrases
- sparse coding
- image copy detection
- natural images
- dictionary learning
- sparse representation
- image classification
- linear combination
- generative model
- discriminative power
- texture descriptors
- unsupervised learning
- image representation
- image patches
- visual words
- feature space
- high dimensional
- similarity search
- multiscale
- computer vision
- nonnegative matrix factorization
- object recognition
- test images
- machine learning
- probabilistic model