Enhancing Degraded Document Images via Bitmap Clustering and Averaging.
John D. HobbyTin Kam HoPublished in: ICDAR (1997)
Keyphrases
- document images
- ocr systems
- clustering algorithm
- document image analysis
- document analysis
- k means
- printed documents
- clustering method
- scanned documents
- optical character recognition
- document processing
- page segmentation
- language identification
- document image retrieval
- document clustering
- mathematical formulas
- printed text
- image binarization
- document image understanding
- word spotting
- scanned document images