Constraint Satisfaction Approach to Extraction of Japanese Character Regions from Unformatted Document Image.
Keiji GyohtenNoboru BabaguchiTadahiro KitahashiPublished in: IEICE Trans. Inf. Syst. (1995)
Keyphrases
- constraint satisfaction
- document images
- text lines
- optical character recognition
- text regions
- constraint satisfaction problems
- printed documents
- line extraction
- ocr systems
- document image analysis
- text extraction
- printed text
- document analysis
- document layout
- structure extraction
- constraint relaxation
- constraint propagation
- scanned documents
- document image understanding
- region detection
- text detection
- word level
- constraint programming
- document processing
- chinese characters
- heuristic search
- constraint solving
- constraint networks
- information extraction
- complex background
- handwriting recognition
- language identification
- constrained problems
- constraint problems
- robust fault detection
- scanned document images
- text information
- page layout
- region of interest
- hough transform