Joint normalization and recognition of degraded document images using psuedo-2D hidden Markov models.
Oscar E. AgazziShyh-shiaw KuoPublished in: ICDAR (1993)
Keyphrases
- hidden markov models
- document images
- ocr systems
- document image analysis
- document analysis
- printed documents
- optical character recognition
- gesture recognition
- word spotting
- handwritten text recognition
- speech recognition
- keyword spotting
- conditional random fields
- text lines
- document processing
- markov model
- handwritten documents
- word level
- viterbi algorithm
- sequential data
- markov models
- sequence classification
- hidden state
- scanned documents
- visual speech recognition
- page layout
- continuous hidden markov models
- indian languages
- handwritten words
- handwriting recognition
- pattern recognition
- speech signal
- printed text
- feature extraction
- hidden states
- automatic speech recognition
- character recognition
- document image retrieval