Providing Higher Entropy Cryptographic Keys by the Use of Biometrics
In this paper modifications are investigated to a previously introduced Key Regeneration system used to obtain cryptographic keys from biometric data, spec...
- D. P. B. A. Camara
- V. C. da Rocha Jr.
- Biometrics
- cryptography
- error-correcting codes
- security
SBrT 2010
A Robust MERRY Channel Shortening Technique for OFDM Systems in PLC Environment Corrupted by Impulsive Noise
This contribution introduces a robust version of the multicarrier equalization by restoration of redundance (MERY) algorithm for data communication through...
- Alam Silva Menezes
- Moisés Vidal Ribeiro
SBrT 2010
Lossless Multi-Grid Chain Code with Optimized Cell Usage for Contour Description of Visual Objects
In the context of object-based image compression, shape encoders that describe the contour of the objects, called chain codes, tend to be more efficient th...
- Fabiana O. P. Fernandes
- Willian G. de Almeida
- Flávia M. Freitas
- Abraham Alcaim
- shape encoding
- object-based image compression
- MPEG-4
- chain code
- grid cell
SBrT 2010
Modelling Power Consumption in IEEE 802.16e WiMAX Mobile Nodes
Energy availability is the main delimiter for usage time of mobile devices. As wireless network interfaces are usually the most power-demanding subsystem ...
- N´ıbia S. Bezerra
- Fuad M. Abinader Jr.
- Vicente A. de Sousa Jr.
- Gino Lozada
- Pekko Orava
SBrT 2010
Detection of Panoramic Takes in Soccer Videos Using Phase Correlation and Boosting
We propose an automatic engine for panoramic-take detection which relies on an algorithm based on phase correlation and boosting. The motion between two se...
- Luiz G. L. B. M. de Vasconcelos
- Sergio L. Netto
- Eduardo A. B. da Silva
SBrT 2010