HMM-Based Recognition of Online Handwritten Mathematical Symbols Using Segmental K-Means Initialization and a Modified Pen-Up/Down Feature.
Lei HuRichard ZanibbiPublished in: ICDAR (2011)
Keyphrases
- k means
- hidden markov models
- mathematical expressions
- sketch recognition
- recognition accuracy
- symbol recognition
- object recognition
- recognition rate
- handwritten words
- clustering algorithm
- gesture recognition
- cluster analysis
- automatic recognition
- clustering method
- discrimination power
- unsupervised clustering
- hierarchical clustering
- feature vectors
- feature set
- preprocessing stage
- visual recognition
- hand gestures
- pattern recognition
- document clustering
- image features
- feature extractor
- recognition algorithm
- fuzzy k means
- object models
- data clustering
- image matching
- feature fusion
- feature analysis
- cluster centers
- feature extraction