Online learning and generalization of parts-based image representations by non-negative sparse autoencoders.
Andre LemmeRené Felix ReinhartJochen Jakob SteilPublished in: Neural Networks (2012)
Keyphrases
- image representation
- online learning
- sparse coding
- sparse representation
- multiscale
- image classification
- dictionary learning
- bag of words
- denoising
- e learning
- image content
- image features
- high dimensional
- feature space
- object recognition
- image retrieval
- representation scheme
- feature representations
- low level features
- receptive fields
- active learning
- visual words
- spatial pyramid
- scene recognition
- visual recognition tasks
- hierarchical structure
- bag of features
- scene classification
- object categories
- decision trees
- image processing