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Correlation Filter: An Accurate Approach to Detect and Locate Low Contrast Character Strings in Complex Table Environment.
Yi Li
Zhiyan Wang
Haizan Zeng
Published in:
IEEE Trans. Pattern Anal. Mach. Intell. (2004)
Keyphrases
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low contrast
high contrast
correlation filters
blood vessels
background noise
fully automatic
class dependent
gray level
high noise
contrast enhancement
noisy environments
speckle noise
pattern recognition
high quality
gray value
feature analysis
image recognition
feature space
neural network