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TIFS
2008
129views more  TIFS 2008»
13 years 8 months ago
On Empirical Recognition Capacity of Biometric Systems Under Global PCA and ICA Encoding
Performance of biometric-based recognition systems depends on various factors: database quality, image preprocessing, encoding techniques, etc. Given a biometric database and a se...
Natalia A. Schmid, Francesco Nicolo
ICC
2008
IEEE
125views Communications» more  ICC 2008»
14 years 2 months ago
Iteratively Detected Sphere Packing Modulated OFDM: An Exit Chart Perspective
- A novel iteratively detected Sphere Packing (SP) modulation aided Orthogonal Frequency Division Multiplexing (OFDM) scheme is proposed, which we refer to as the SPOFDM arrangemen...
Lei Xu, Mohammed El-Hajjar, Osamah Alamri, Sheng C...
CORR
2007
Springer
117views Education» more  CORR 2007»
13 years 8 months ago
Perfectly Secure Steganography: Capacity, Error Exponents, and Code Constructions
An analysis of steganographic systems subject to the following perfect undetectability condition is presented in this paper. Following embedding of the message into the covertext,...
Ying Wang, Pierre Moulin
ECRTS
2007
IEEE
14 years 2 months ago
On Scheduling and Real-Time Capacity of Hexagonal Wireless Sensor Networks
Since wireless ad-hoc networks use shared communication medium, accesses to the medium must be coordinated to avoid packet collisions. Transmission scheduling algorithms allocate ...
Shashi Prabh, Tarek F. Abdelzaher
CORR
2008
Springer
118views Education» more  CORR 2008»
13 years 8 months ago
The price of certainty: "waterslide curves" and the gap to capacity
The classical problem of reliable point-to-point digital communication is to achieve a low probability of error while keeping the rate high and the total power consumption small. ...
Anant Sahai, Pulkit Grover