Sciweavers

3015 search results - page 352 / 603
» The robustness of a new CAPTCHA
Sort
View
HICSS
2007
IEEE
120views Biometrics» more  HICSS 2007»
16 years 28 days ago
Web Mash-ups and Patchwork Prototyping: User-driven technological innovation with Web 2.0 and Open Source Software
The recent emergence of web mash-ups and open source software is driving the development of new practices in software and systems development. In this paper we explore novel pract...
Ingbert R. Floyd, M. Cameron Jones, Dinesh Rathi, ...
ISBI
2007
IEEE
16 years 27 days ago
A Novel Tag Removal Technique for Tagged Cardiac Mri and Its Applications
In this paper we present a novel tag removal method for tagged cardiac MR images. This method is based on a 2D bandstop filtering technique, which selectively attenuates the tag ...
Zhen Qian, Rui Huang, Dimitris N. Metaxas, Leon Ax...
MEMOCODE
2007
IEEE
16 years 26 days ago
From WiFi to WiMAX: Techniques for High-Level IP Reuse across Different OFDM Protocols
Orthogonal Frequency-Division Multiplexing (OFDM) has become the preferred modulation scheme for both broadband and high bitrate digital wireless protocols because of its spectral...
Man Cheuk Ng, Muralidaran Vijayaraghavan, Nirav Da...
VTC
2007
IEEE
146views Communications» more  VTC 2007»
16 years 26 days ago
An OFDM-CDMA Scheme for High Data Rate UWB Applications
— In this paper, we investigate a new waveform for UWB systems obtained by the combination of Orthogonal Frequency Division Multiplex (OFDM) and Code Division Multiple Access (CD...
Emeric Gueguen, Matthieu Crussière, Jean-Fr...
ICCV
2007
IEEE
16 years 25 days ago
On the Extraction of Curve Skeletons using Gradient Vector Flow
In this paper, we propose a new variational framework for computing continuous curve skeletons from discrete objects that are suitable for structural shape representation. We have...
M. Sabry Hassouna, Aly A. Farag