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BIOID
2008
117views Biometrics» more  BIOID 2008»
13 years 7 months ago
Definition of Fingerprint Scanner Image Quality Specifications by Operational Quality
This paper analyzes two recently released image quality specifications for single-finger scanners and proposes three new specifications targeted to different types of applications....
A. Alessandroni, Raffaele Cappelli, Matteo Ferrara...
BIOID
2008
152views Biometrics» more  BIOID 2008»
13 years 7 months ago
On Quality of Quality Measures for Classification
Abstract. In this paper we provide a theoretical discussion of the impact of uncertainty in quality measurement on the expected benefits of including biometric signal quality measu...
Krzysztof Kryszczuk, Andrzej Drygajlo
BIOID
2008
100views Biometrics» more  BIOID 2008»
13 years 7 months ago
Face Quality Assessment System in Video Sequences
When a person passes by a surveillance camera a sequence of image is obtained. Before performing any analysis on the face of a person, the face first needs to be detected and secon...
Kamal Nasrollahi, Thomas B. Moeslund
BIOID
2008
135views Biometrics» more  BIOID 2008»
13 years 7 months ago
Discriminant Non-negative Matrix Factorization and Projected Gradients for Frontal Face Verification
A novel Discriminant Non-negative Matrix Factorization (DNMF) method that uses projected gradients, is presented in this paper. The proposed algorithm guarantees the algorithm'...
Irene Kotsia, Stefanos Zafeiriou, Ioannis Pitas
BIOID
2008
101views Biometrics» more  BIOID 2008»
13 years 7 months ago
Template Protection for On-Line Signature-Based Recognition Systems
Abstract. Security and privacy issues are considered as two of the major concerns related to the use of biometric data for authentication purposes. In this paper we propose two dif...
Emanuele Maiorana, Patrizio Campisi, Alessandro Ne...