Binarization with the Local Otsu Filter - Integral Histograms for Document Image Analysis.
Anguelos NicolaouRolf IngoldMarcus LiwickiPublished in: GREC (2013)
Keyphrases
- document image analysis
- document images
- digital libraries
- document analysis
- image binarization
- filtered images
- symbol recognition
- document processing
- document layout
- noise reduction
- algorithm for image segmentation
- thresholding method
- threshold selection
- energy minimization
- otsu method
- thresholding algorithm
- database
- handwritten documents
- filter responses
- optical character recognition
- grayscale images
- median filter
- color images
- real time