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A DCT-based ownership identification method with gray-level and colorful signatures.
Shu-Fen Tu
Ching-Sheng Hsu
Published in:
Pattern Anal. Appl. (2006)
Keyphrases
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gray level
gray level images
thresholding method
fully automatic
binary patterns
edge detection
binary images
texture analysis
contrast enhancement
black and white
gray value
image contrast