Feature sampling and partitioning for visual vocabulary generation on large action classification datasets.
Michael SapienzaFabio CuzzolinPhilip H. S. TorrPublished in: CoRR (2014)
Keyphrases
- action classification
- visual vocabulary
- bag of words
- bag of visual words
- visual words
- action recognition
- global features
- image features
- image classification
- scene classification
- image representation
- feature vectors
- bag of features
- human actions
- image descriptors
- object retrieval
- keypoints
- co occurrence
- visual content
- text classification
- text retrieval
- probabilistic latent semantic analysis
- image retrieval
- sift descriptors
- object categories
- scale invariant feature transform
- visual features
- image database
- image collections