Binarization of Document Images using Hadamard Multiresolution Analysis.
Fu ChangKung-Hao LiangTzu-Ming TanWen-Liang HwangPublished in: ICDAR (1999)
Keyphrases
- document images
- multiresolution analysis
- multiresolution
- vector valued
- document image analysis
- discrete wavelet transform
- image compression
- document analysis
- image binarization
- lifting scheme
- wavelet transform
- optical character recognition
- printed documents
- handwritten documents
- page layout
- signal processing
- scanned documents
- binarization method
- visual information