Separating text and background in degraded document images - a comparison of global thresholding techniques for multi-stage thresholding.
Graham LeedhamSaket VarmaAnish PatankarVenu GovindarajuPublished in: IWFHR (2002)
Keyphrases
- global thresholding
- multistage
- document images
- ocr systems
- adaptive thresholding
- thresholding method
- document analysis
- printed documents
- page layout
- line extraction
- document processing
- optical character recognition
- text regions
- text lines
- scanned document images
- document image analysis
- single stage
- historical documents
- printed text
- mathematical formulas
- scanned documents
- language identification
- dynamic programming
- image segmentation
- handwritten documents
- motion detection
- gray level
- indian languages
- scanned images
- optimal policy
- machine learning
- document image retrieval
- text detection
- word spotting
- multiscale
- image processing
- computer vision