Text Extraction from Gray Scale Document Images Using Edge Information.
Qingqing YuanChew Lim TanPublished in: ICDAR (2001)
Keyphrases
- gray scale
- document images
- edge information
- text extraction
- optical character recognition
- text regions
- gray scale images
- binary images
- color images
- region growing
- mathematical morphology
- gray level
- edge detection
- text processing
- natural scenes
- texture information
- error diffusion
- text information
- edge map
- complex background
- shape features
- text lines
- inverse halftoning
- higher order
- feature vectors
- image sequences