Preprocessing of Document Images Based on the GGD and GMM for Binarization of Degraded Ancient Papyri Images.
Hubert MichalakRobert KrupinskiPiotr LechKrzysztof OkarmaPublished in: CORES/IP&C/ACS (2021)
Keyphrases
- document images
- image binarization
- historical documents
- preprocessing
- printed documents
- scanned images
- scanned document images
- line extraction
- text lines
- document image analysis
- ocr systems
- preprocessing stage
- optical character recognition
- document analysis
- page segmentation
- input image
- indian languages
- document processing
- handwritten documents
- image analysis
- scanned documents
- binarization method
- printed text
- page layout
- image retrieval
- feature extraction
- gaussian mixture model
- edge detection
- document image retrieval
- gray value
- gray scale images
- fractal dimension
- gabor filters
- maximum likelihood