Action recognition based on spatial-temporal pyramid sparse coding.
Xiaojing ZhangHua ZhangXiaochun CaoPublished in: ICPR (2012)
Keyphrases
- spatial temporal
- action recognition
- sparse coding
- image representation
- natural images
- dictionary learning
- bag of words
- human actions
- visual words
- sparse representation
- multiscale
- image classification
- unsupervised learning
- human detection
- generative model
- linear combination
- computer vision
- activity recognition
- feature space
- input image
- bag of features
- image patches
- high dimensional
- human activities
- image content
- visual content
- text classification
- image features
- image retrieval
- object recognition
- video sequences
- three dimensional