Multiscale document segmentation using wavelet-domain hidden Markov models.
Hyeokho ChoiRichard G. BaraniukPublished in: Document Recognition and Retrieval (2000)
Keyphrases
- hidden markov models
- wavelet domain
- multiscale
- wavelet coefficients
- wavelet transform
- spatial domain
- image segmentation
- discrete wavelet transform
- edge detection
- wavelet domain hidden markov tree
- wavelet decomposition
- natural images
- denoising
- image processing
- image representation
- sequential data
- image denoising
- multiresolution
- document images
- visual speech recognition
- human visual system
- gesture recognition
- conditional random fields
- local binary pattern
- baum welch
- low level
- image sequences