Leveraging Unlabeled Data for Crowd Counting by Learning to Rank.
Xialei LiuJoost van de WeijerAndrew D. BagdanovPublished in: CVPR (2018)
Keyphrases
- learning to rank
- unlabeled data
- supervised learning
- labeled data
- semi supervised learning
- semi supervised
- ranking functions
- active learning
- information retrieval
- co training
- loss function
- training data
- labeled and unlabeled data
- labeled examples
- learning algorithm
- data points
- text categorization
- training examples
- text classification
- training set
- document retrieval
- prior knowledge
- transfer learning
- learning problems
- machine learning
- class distribution
- unsupervised learning
- search engine
- document collections
- reinforcement learning
- class labels
- web search