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ICC
2009
IEEE
141views Communications» more  ICC 2009»
14 years 4 months ago
Differential Space-Time-Frequency Codes for MB-OFDM UWB with Dual Carrier Modulation
Abstract—In a multiple-input multiple-output (MIMO) multiband orthogonal frequency division multiplexing (MB-OFDM) ultra-wideband (UWB) system, coherent detection where the chann...
Le Chung Tran, Alfred Mertins
ICC
2009
IEEE
174views Communications» more  ICC 2009»
14 years 4 months ago
Biometric Mobile Template Protection: A Composite Feature Based Fingerprint Fuzzy Vault
—Biometric authentication is emerging as the promising solution to conventional cryptography based authentication technologies. However, protecting users’ biometric templates s...
Kai Xi, Jiankun Hu
ICDAR
2009
IEEE
14 years 4 months ago
Recognition of Degraded Handwritten Characters Using Local Features
The main problems of Optical Character Recognition (OCR) systems are solved if printed latin text is considered. Since OCR systems are based upon binary images, their results are ...
Markus Diem, Robert Sablatnig
WIAMIS
2009
IEEE
14 years 4 months ago
Comparative evaluation of spatial context techniques for semantic image analysis
In this paper, two approaches to utilizing contextual information in semantic image analysis are presented and comparatively evaluated. Both approaches make use of spatial context...
Georgios Th. Papadopoulos, Carsten Saathoff, Marci...
WMCSA
2009
IEEE
14 years 4 months ago
LiveCompare: grocery bargain hunting through participatory sensing
Many consumers are misled into paying high prices due to the search costs associated with attaining price information [16]. The popularity of bargain-hunting web sites like Slickd...
Linda Deng, Landon P. Cox