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» Performance of Biometric Quality Measures
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ICASSP
2011
IEEE
13 years 2 months ago
A wavenumber-fitting extrapolation method for FFT-based near-field acoustic holography using microphone array
Near-field acoustic holography (NAH) is an important acoustic visualization technique which can be implemented efficiently through the fast Fourier transform (FFT). However, whe...
Benxu Liu, Bremananth Ramachandran, Andy W. H. Kho...
HICSS
2003
IEEE
107views Biometrics» more  HICSS 2003»
14 years 3 months ago
The Customer-Centric Data Warehouse - An Architectural Approach to Meet the Challenges of Customer Orientation
This paper presents research-in-progress. An extensive customer-centric data warehouse architecture should enable both complex analytical queries as well as standard reporting que...
Hans-Georg Kemper, Phil-Lip Lee
AMFG
2005
IEEE
314views Biometrics» more  AMFG 2005»
14 years 4 months ago
Two-Dimensional Non-negative Matrix Factorization for Face Representation and Recognition
Non-negative matrix factorization (NMF) is a recently developed method for finding parts-based representation of non-negative data such as face images. Although it has successfully...
Daoqiang Zhang, Songcan Chen, Zhi-Hua Zhou
FGR
2011
IEEE
255views Biometrics» more  FGR 2011»
13 years 2 months ago
Beyond simple features: A large-scale feature search approach to unconstrained face recognition
— Many modern computer vision algorithms are built atop of a set of low-level feature operators (such as SIFT [1], [2]; HOG [3], [4]; or LBP [5], [6]) that transform raw pixel va...
David D. Cox, Nicolas Pinto
ADC
2004
Springer
105views Database» more  ADC 2004»
14 years 4 months ago
Do Clarity Scores for Queries Correlate with User Performance?
Recently the concept of a clarity score was introduced in order to measure the ambiguity of a query in relation to the collection in which the query issuer is seeking information ...
Andrew Turpin, William R. Hersh