Keyphrases
- document images
- document image analysis
- wavelet transform
- document processing
- document analysis
- multiscale
- document image understanding
- active contours
- denoising
- scanned documents
- document image retrieval
- page layout
- wavelet coefficients
- page segmentation
- optical character recognition
- image binarization
- language identification
- word spotting
- historical documents
- printed documents
- line extraction