Reducing the dimensionality of the SIFT descriptor and increasing its effectiveness and efficiency in image retrieval via bag-of-features.
Glauco Vitor PedrosaSolange Oliveira RezendeAgma Juci Machado TrainaPublished in: WebMedia (2012)
Keyphrases
- bag of features
- sift descriptors
- visual words
- image retrieval
- visual features
- image representation
- image classification
- visual vocabulary
- bag of words
- action recognition
- object recognition
- scale invariant feature transform
- feature space
- co occurrence
- discriminative power
- image features
- low level features
- image search
- low level
- feature descriptors
- image content
- pairwise
- image sequences
- sparse coding
- high dimensional
- image collections
- gaussian mixture model
- spatial information
- relevance feedback