A Top-Bottom Clustering Algorithm Based on Crowd Trajectories for Small Group Classification.
Yan LiHong LiuXiangwei ZhengYanbin HanLiang LiPublished in: IEEE Access (2019)
Keyphrases
- clustering algorithm
- pattern recognition
- feature extraction
- classification algorithm
- classification method
- classification systems
- classification accuracy
- automatic classification
- machine learning methods
- class labels
- support vector machine svm
- support vector machine
- classification scheme
- image classification
- mobile robot
- unsupervised learning
- pattern classification
- feature space
- data sets
- benchmark data sets
- clustering analysis
- trajectory data
- hierarchical clustering
- clustering method
- training samples
- text classification
- active learning
- feature vectors
- preprocessing
- decision trees