Time-dependent bag of words on manifolds for geodesic-based classification of video activities towards assisted living and healthcare.
Yixiao YunIrene Yu-Hua GuPublished in: EURASIP J. Image Video Process. (2017)
Keyphrases
- bag of words
- image classification
- text classification
- action classification
- bag of words models
- assisted living
- visual words
- image representation
- action recognition
- text classification tasks
- document representation
- textual features
- feature selection
- n gram
- feature extraction
- feature vectors
- training set
- feature space
- scene classification
- real time
- activity recognition
- text categorization
- human activities
- visual features
- spatial pyramid matching
- soft assignment
- knowledge discovery
- smart home
- object classification
- text classifiers
- training data
- supervised learning