OCR in a hierarchical feature space.
Jaehwa ParkVenu GovindarajuSargur N. SrihariPublished in: SMC (1998)
Keyphrases
- feature space
- mean shift
- feature vectors
- error correction
- principal component analysis
- optical character recognition
- high dimensional
- dimensionality reduction
- character recognition
- input space
- document images
- data points
- post processing
- high dimensional feature space
- feature selection
- image representation
- input data
- feature set
- kernel function
- hierarchical structure
- dimension reduction
- hierarchical clustering
- unsupervised learning
- dissimilarity measure
- preprocessing
- handwriting recognition
- feature extraction