Intelligent region-based thresholding for color document images with highlighted regions.
Chun-Ming TsaiPublished in: Pattern Recognit. (2012)
Keyphrases
- document images
- text regions
- image segmentation
- image regions
- document image analysis
- document analysis
- region adjacency graph
- color images
- texture and shape features
- color features
- document image understanding
- color information
- optical character recognition
- region features
- printed documents
- text detection
- document processing
- page layout
- language identification
- page segmentation
- outdoor scenes
- edge detection
- historical documents
- gray level
- input image
- mathematical formulas
- image processing
- complex background
- multiscale