Sciweavers

3015 search results - page 560 / 603
» The robustness of a new CAPTCHA
Sort
View
CVBIA
2005
Springer
14 years 2 months ago
Local or Global Minima: Flexible Dual-Front Active Contours
Most variational active contour models are designed to find the “desirable” local minima of data-dependent energy functionals with the hope of avoiding undesirable configurat...
Hua Li, Anthony J. Yezzi
ICAPR
2005
Springer
14 years 2 months ago
Fingerprint Image Enhancement Using STFT Analysis
Contrary to popular belief, despite decades of research in fingerprints, reliable fingerprint recognition is an open problem. Extracting features out of poor quality prints is t...
Sharat Chikkerur, Venu Govindaraju, Alexander N. C...
DMSN
2004
ACM
14 years 2 months ago
Active rules for sensor databases
Recent years have witnessed a rapidly growing interest in query processing in sensor and actuator networks. This is mainly due to the increased awareness of query processing as th...
Michael Zoumboulakis, George Roussos, Alexandra Po...
DMSN
2004
ACM
14 years 2 months ago
Region streams: functional macroprogramming for sensor networks
Sensor networks present a number of novel programming challenges for application developers. Their inherent limitations of computational power, communication bandwidth, and energy...
Ryan Newton, Matt Welsh
MOBICOM
2004
ACM
14 years 2 months ago
Analyzing the spread of active worms over VANET
Interactive communications among nodes in Vehicular Ad Hoc Networks (VANET) and the safety-oriented nature of many VANET applications necessitate a robust security framework. An a...
Syed A. Khayam, Hayder Radha