Using unlabeled data in a sparse-coding framework for human activity recognition.
Sourav BhattacharyaPetteri NurmiNils Y. HammerlaThomas PlötzPublished in: Pervasive Mob. Comput. (2014)
Keyphrases
- unlabeled data
- sparse coding
- semi supervised learning
- human activity recognition
- semi supervised
- labeled data
- unsupervised learning
- active learning
- generative model
- supervised learning
- text classification
- sparse representation
- human activities
- image classification
- training set
- natural images
- data sets
- data points
- image representation
- computer vision
- linear combination
- transfer learning
- activity recognition
- learning algorithm
- class labels
- training data
- prior knowledge