Historical Document Image Enhancement Using Background Light Intensity Normalization.

Zhixin Shi Venu Govindaraju

Published in: ICPR (1) (2004)

Keyphrases

image enhancement
light intensity
image processing
dynamic range
image analysis
edge detection
histogram equalization
image contrast enhancement
color image enhancement
contrast enhancement
transfer function
light source
gamma correction
homomorphic filtering
minutiae extraction
unsharp masking
image sequences