Binarizing Document Image Using Coplanar Prefilter.
Liying FanLixin FanChew Lim TanPublished in: ICDAR (2001)
Keyphrases
- document images
- camera calibration
- document image analysis
- optical character recognition
- document analysis
- filter bank
- document image understanding
- page segmentation
- discrete cosine transform
- document processing
- scanned documents
- page layout
- scanned document images
- ocr systems
- scanned images
- printed documents
- historical documents
- language identification
- gray scale
- printed text
- image retrieval
- multiscale