Refinement and testing of a character recognition system based on feature extraction in grayscale space.
William J. SakodaJiangying ZhouTheo PavlidisPublished in: ICDAR (1993)
Keyphrases
- gray scale
- feature extraction
- gray scale images
- binary images
- grayscale images
- color images
- gray level
- mathematical morphology
- preprocessing
- feature vectors
- morphological operations
- principal component analysis
- face recognition
- texture classification
- texture analysis
- wavelet transform
- image data
- feature space
- image processing
- error diffusion
- multiresolution
- improve the recognition accuracy