Text Extraction from Gray Scale Historical Document Images Using Adaptive Local Connectivity Map.

Zhixin Shi Srirangaraj Setlur Venu Govindaraju

Published in: ICDAR (2005)

Keyphrases

gray scale
document images
text extraction
optical character recognition
text regions
historical documents

gray scale images
binary images
color images
mathematical morphology
document analysis
gray level

connected components
morphological operations
grayscale images
natural scenes
complex background
text processing

error diffusion
text information
text lines
structuring elements
image quality