Boundary Feature Extraction from Gray-Scale Document Images.
Hirobumi NishidaPublished in: ICDAR (1997)
Keyphrases
- document images
- gray scale
- feature extraction
- gray scale images
- color images
- gray level
- binary images
- document image analysis
- morphological operations
- mathematical morphology
- document analysis
- document processing
- texture analysis
- optical character recognition
- feature vectors
- pattern recognition
- page segmentation
- image processing
- document image understanding
- error diffusion
- handwritten documents
- scanned documents
- word spotting
- mathematical formulas
- frequency domain
- face recognition
- document image retrieval
- speaker identification
- texture features
- historical documents
- printed text
- machine learning