Enhancement of variably illuminated document images through noise-induced stochastic resonance.
Mohammed JavedTryambak BhattacharjeePanduranga NagabhushanPublished in: IET Image Process. (2019)
Keyphrases
- document images
- stochastic resonance
- image enhancement
- contrast enhancement
- signal to noise ratio
- document analysis
- image processing
- document image analysis
- median filter
- histogram equalization
- image binarization
- image analysis
- multiscale
- enhanced image
- edge detection
- historical documents
- page segmentation
- scanned documents
- printed documents
- document processing
- document image understanding
- gray level
- optical character recognition
- additive noise
- noise removal
- document image retrieval
- color images
- noise reduction
- low signal to noise ratio
- signal processing
- word spotting
- low contrast
- indian languages
- light source
- co occurrence
- page layout
- handwritten documents
- computer vision