Sciweavers

AIED
2011
Springer
13 years 3 months ago
Causal Modeling of User Data from a Math Learning Environment with Game-Like Elements
We have created a math learning environment with game-like elements such as narrative, visual feedback, personalization, collection, etc. We made a study with four different versio...
Dovan Rai, Joseph E. Beck
PRESENCE
2002
105views more  PRESENCE 2002»
13 years 11 months ago
Modeling Real Objects Using Video See-Through Augmented Reality
This paper presents a method for creating 3D models of real objects using video see-through augmented reality. We use a tracked probe to sample the objects' geometries and vi...
Joohi Lee, Gentaro Hirota, Andrei State
AI
2007
Springer
13 years 12 months ago
Head gestures for perceptual interfaces: The role of context in improving recognition
Head pose and gesture offer several conversational grounding cues and are used extensively in face-to-face interaction among people. To recognize visual feedback efficiently, hum...
Louis-Philippe Morency, Candace L. Sidner, Christo...
AVI
2006
14 years 1 months ago
Exploring visual feedback of change conflict in a distributed 3D environment
Teams that are geographically distributed often share information both in real-time and asynchronously. When such sharing is through groupware, change conflicts can arise when peo...
Mark S. Hancock, John David Miller, Saul Greenberg...
RT
1999
Springer
14 years 4 months ago
Interactive Rendering using the Render Cache
Interactive rendering requires rapid visual feedback. The render cache is a new method for achieving this when using high-quality pixel-oriented renderers such as ray tracing that...
Bruce Walter, George Drettakis, Steven G. Parker
APCHI
1998
IEEE
14 years 4 months ago
Warping to Enhance 3D User Interfaces
Cartoon animation techniques have previously been used to enhance the illusion of direct manipulation in 2D graphical user interfaces. In particular, animation may be used to conv...
Bruce H. Thomas
CHI
2000
ACM
14 years 4 months ago
Eye-hand co-ordination with force feedback
The term Eye-hand co-ordination refers to hand movements controlled with visual feedback and reinforced by hand contact with objects. A correct perspective view of a virtual envir...
Roland Arsenault, Colin Ware
WACV
2002
IEEE
14 years 4 months ago
Viewing Enhancement in Video-Endoscopy
Video-endoscopy (Figure 1), a mode of minimally invasive surgery, has proven to be significantly less invasive to the patient. However, it creates a much more complex operation env...
Dan Koppel, Yuan-Fang Wang, Hua Lee
ICRA
2002
IEEE
112views Robotics» more  ICRA 2002»
14 years 4 months ago
Control of a Quadrotor Helicopter using Visual Feedback
We present control methods for an autonomous four-rotor helicopter, called a quadrotor, using visual feedback as the primary sensor. The vision system uses a ground camera to esti...
Erdinç Altug, James P. Ostrowski, Robert E....
HAPTICS
2005
IEEE
14 years 5 months ago
Delayed Visual and Haptic Feedback in a Reciprocal Tapping Task
To make optimal use of distributed virtual environments (DVEs), we must understand and quantify the effects that latency has on user performance. Although the effects of visual la...
Caroline Jay, Roger J. Hubbold