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» Recognition of Enhanced Images

211

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FGR
2008
IEEE

202views Biometrics» more FGR 2008»

Illumination transfer using homomorphic wavelet filtering and its application to light-insensitive face recognition

15 years 6 months ago

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In this paper, we propose a novel homomorphic wavelet filtering based illumination transfer technique to change the dominant lighting of one face image (source face image) to anot...

Hu Han, Shiguang Shan, Xilin Chen, Wen Gao

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173

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ISW
2004
Springer

136views Information Technology» more ISW 2004»

Image Recognition CAPTCHAs

15 years 11 months ago

Download www.eecs.berkeley.edu

CAPTCHAs are tests that distinguish humans from software robots in an online environment [3, 14, 7]. We propose and implement three CAPTCHAs based on naming images, distinguishing ...

Monica Chew, J. D. Tygar

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134

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IBPRIA
2007
Springer

142views Pattern Recognition» more IBPRIA 2007»

Mathematical Morphology in the HSI Colour Space

16 years 17 days ago