Unsupervised Evaluation Methods Based on Local Gray-Intensity Variances for Binarization of Historical Documents.
Marte A. Ramírez-OrtegónRaúl RojasPublished in: ICPR (2010)
Keyphrases
- evaluation methods
- historical documents
- document images
- evaluation method
- handwriting recognition
- historical manuscripts
- evaluation metrics
- evaluation criteria
- word recognition
- document image analysis
- supervised learning
- semi supervised
- character recognition
- gray images
- precision and recall
- document analysis
- image preprocessing
- gray level
- machine learning
- optical character recognition
- color images
- feature extraction
- feature selection