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Text Extraction from Gray Scale Historical Document Images Using Adaptive Local Connectivity Map.
Zhixin Shi
Srirangaraj Setlur
Venu Govindaraju
Published in:
ICDAR (2005)
Keyphrases
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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historical documents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