Keyphrases
- stochastic context free grammars
- document images
- preprocessing
- image preprocessing
- gray level
- decoding process
- joint detection
- grayscale images
- image binarization
- soft decision
- decoding algorithm
- gray scale images
- kohonen self organizing map
- real time
- color images
- neural network
- viterbi algorithm
- image quality
- information extraction
- genetic algorithm
- global thresholding
- machine learning