Text Extraction and Document Image Segmentation Using Matched Wavelets and MRF Model.
Sunil KumarRajat GuptaNitin KhannaSantanu ChaudhuryShiv Dutt JoshiPublished in: IEEE Trans. Image Process. (2007)
Keyphrases
- mrf model
- text extraction
- image segmentation
- markov random field
- document classification
- multiscale
- image processing
- maximum a posteriori
- graph cuts
- natural scenes
- document images
- energy function
- bayesian framework
- parameter estimation
- text information
- image compression
- level set
- active contours
- information retrieval
- pairwise
- optical character recognition
- text processing
- web documents
- random fields
- text documents
- region growing
- complex background
- text mining
- segmentation algorithm
- conditional random fields
- higher order
- object segmentation
- keywords
- image representation
- text segmentation
- computer vision
- denoising
- shape prior
- video sequences
- document set
- image sequences
- natural images
- feature selection