Historical document enhancement using Shearlet Transform and mathematical morphological operations.
Ranganatha D.Ganga HoliPublished in: ICACCI (2015)
Keyphrases
- morphological operations
- image enhancement
- translation invariant
- mathematical morphology
- structuring elements
- gray scale
- image processing
- binary images
- edge detection
- morphological filters
- morphological operators
- input image
- document images
- historical documents
- distance transformation
- image analysis
- information retrieval systems
- retrieval systems
- document collections
- document clustering
- web documents
- document analysis
- keywords
- line extraction
- information retrieval
- semi supervised
- high order
- denoising
- feature extraction
- computer vision
- connected component labeling