Degraded Gray-Scale Text Recognition Using Pseudo-2D Hidden Markov Models and N-Best Hypotheses.
Chinching YenShyh-shiaw KuoPublished in: CVGIP Graph. Model. Image Process. (1995)
Keyphrases
- hidden markov models
- gray scale
- gray scale images
- color images
- binary images
- text recognition
- speech recognition
- gray level
- sequential data
- mathematical morphology
- markov models
- sequence classification
- conditional random fields
- markov model
- viterbi algorithm
- hidden states
- gesture recognition
- document analysis
- discriminative training
- visual speech recognition
- structuring elements
- noise reduction
- handwritten words
- hierarchical hidden markov model