Extraction of Binary Character/Graphics Images from Grayscale Document Images.

Mohamed Kamel Aiguo Zhao

Published in: CVGIP Graph. Model. Image Process. (1993)

Keyphrases

camera captured document
document images
gray scale
gray scale images
line extraction
morphological operations
printed documents
region detection
text lines
optical character recognition

historical documents
binary images
binary and gray scale
document image analysis
document analysis
input image
printed text
image binarization
computer vision
scanned images

inverse halftoning
color images
scanned document images
mathematical morphology
object recognition
scanned documents
image data
grayscale images
text regions

original images
error diffusion
gray level
image collections
histogram equalization
image analysis
image retrieval
license plate
character recognition