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» Fingerprint Image Enhancement Using STFT Analysis
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CVPR
2009
IEEE
15 years 2 months ago
Curvature and Singularity Driven Diffusion for Oriented Pattern Enhancement with Singular Points
Oriented patterns, e.g. fingerprints, consist of smoothly varying flow-like patterns, together with important singular points (i.e. cores and deltas) where the orientation change...
Qijun Zhao (The Hong Kong Polytechnic University),...
TIFS
2008
148views more  TIFS 2008»
13 years 7 months ago
Digital Image Forensics via Intrinsic Fingerprints
Digital imaging has experienced tremendous growth in recent decades, and digital camera images have been used in a growing number of applications. With such increasing popularity a...
Ashwin Swaminathan, Min Wu, K. J. Ray Liu
PRL
2006
111views more  PRL 2006»
13 years 7 months ago
A chaincode based scheme for fingerprint feature extraction
A feature extraction method using the chaincode representation of fingerprint ridge contours is presented. The representation allows efficient image quality enhancement and detect...
Zhixin Shi, Venu Govindaraju
TIFS
2010
144views more  TIFS 2010»
13 years 5 months ago
Forensic detection of image manipulation using statistical intrinsic fingerprints
—As the use of digital images has increased, so has the means and the incentive to create digital image forgeries. Accordingly, there is a great need for digital image forensic t...
Matthew C. Stamm, K. J. Ray Liu
ISBI
2011
IEEE
12 years 11 months ago
Automatic mask generation using independent component analysis in dynamic contrast enhanced-MRI
Studying image intensity change in each pixel in dynamic contrast enhanced (DCE)-MRI data enables differentiation of different tissue types based on their difference in contrast u...
Hatef Mehrabian, Ian Pang, Chaitanya Chandrana, Ra...