Context-based multiscale classification of document images using wavelet coefficient distributions.
Jia LiRobert M. GrayPublished in: IEEE Trans. Image Process. (2000)
Keyphrases
- document images
- wavelet coefficients
- multiscale
- wavelet domain
- wavelet transform
- page segmentation
- feature vectors
- wavelet decomposition
- document image analysis
- wavelet packet transform
- subband
- document analysis
- machine learning
- multiresolution
- probability distribution
- marginal distributions
- feature extraction
- text classification
- scanned documents
- shift invariant
- wavelet transformation
- computer vision
- printed documents
- discrete wavelet transform
- spatial domain
- noisy images
- image denoising
- high frequency
- image representation
- edge detection
- probabilistic model
- image segmentation
- image processing
- optical character recognition
- random variables
- digital libraries
- feature selection
- page layout