Boundary Extraction from Gray-Scale Document Images Based on Surface Data Structures.
Hirobumi NishidaPublished in: Graph. Model. Image Process. (1998)
Keyphrases
- gray scale
- document images
- boundary extraction
- data structure
- color images
- gray scale images
- mathematical morphology
- binary images
- document analysis
- active contour model
- document image analysis
- gray level
- morphological operations
- document image understanding
- optical character recognition
- scanned documents
- page segmentation
- page layout
- document image retrieval
- structuring elements
- printed documents
- higher order
- image analysis
- text lines
- handwritten documents
- curve evolution
- word spotting
- historical documents
- image processing
- medical images