Sciweavers

2973 search results - page 297 / 595
» Non-photorealistic virtual environments
Sort
View
EDM
2010
128views Data Mining» more  EDM 2010»
15 years 8 months ago
Using Educational Data Mining Methods to Study the Impact of Virtual Classroom in E-Learning
In the past few years, Iranian universities have embarked to use e-learning tools and technologies to extend and improve their educational services. After a few years of conducting...
Mohammad Hassan Falakmasir, Jafar Habibi
IWUC
2004
15 years 8 months ago
Protecting People on the Move through Virtual Personal Security
Ensuring personal safety for people on the move is becoming a heightened priority in today's uncertain environment. Traditional approaches are no longer adequate in meeting ri...
Dadong Wan, Anatole Gershman
MICCAI
2003
Springer
16 years 7 months ago
Determining Epicardial Surface Motion Using Elastic Registration: Towards Virtual Reality Guidance of Minimally Invasive Cardiac
Minimally invasive cardiac surgery is performed on the beating heart, through inter-costal ports. The two major limitations of these procedures are: selecting port locations for op...
Marcin Wierzbicki, Terry M. Peters
HAPTICS
2008
IEEE
16 years 1 months ago
A Vibrotactile Device for Display of Virtual Ground Materials in Walking
We present a floor tile designed to provide the impression of walking on different ground materials, such as gravel, carpet, or stone. The device uses affordable and commerciall...
Yon Visell, Jeremy R. Cooperstock, Bruno L. Giorda...
ICC
2007
IEEE
16 years 1 months ago
Frequency Offset Tracking for OFDM Systems via Scattered Pilots and Virtual Carriers
— In this paper, we propose a new carrier frequency offset (CFO) tracking algorithm for orthogonal frequency division multiplexing (OFDM) systems. Assuming that the channel remai...
Tao Cui, Feifei Gao, Arumugam Nallanathan