نتایج جستجو برای: projection screen
تعداد نتایج: 130258 فیلتر نتایج به سال:
This paper aims at introducing 'CyberDome', a PCClustered Projection Based VR Display, where the illusion of immersion is realized by projecting stereo images into a hemi-spherical screen. With the help of our developed distortion correction software, the system is capable of displaying life size, stereoscopic, distortion free images on the screen with a wide field of view. Dome software is des...
In this paper, we propose a real-time calibration technique for a projector-camera system, which enables the system to locate the projector even while it is moving. Usually fiducial points are stuck on the screen and the camera tracks both the fiducial points and the quadrilateral illuminated by the projector. Then the projector is located by the tracking. Instead of the fiducial points, our re...
A similar solution has already been proposed by [1]. The authors have developed a system able to project video content on a stationary planar surface while moving a projector. To continuously adapt the projection, they rely on the three homographies between the screen, the camera and the projector. Since these homographies are related and the one between the screen and the camera does not chang...
Helicopters in flight are unstable, and hovering at one spot requires the pilot to do a considerable amount of active control. To date, it is still under discussion which sensory cues helicopter pilots use for this stabilization task, and how these cues are combined. Here we investigated how cues from different sensory modalities (visual cues and body cues) are used when humans stabilize a simu...
This paper presents the building of a stereoscope, which is formed with two parallel walls. The building of this stereoscope is based on the Wheatstone-type stereoscope. Due to the incorporation of some characteristics, we named this stereoscope “Wheatstone-Mora” environment. We propose to build stereoscopic environments of different sizes, in which, each wall can be built with projection scree...
The teaching and learning environment in a traditional classroom typically includes a projection screen, a projector, and a computer within a digital interactive table. Instructors may apply multimedia learning materials using various information communication technologies to increase interaction effects. However, a single screen only displays a single teaching view to learners. In this study, ...
Maintaining position and display perspective in a walking simulator while self-pacing on a treadmill
We have developed a feedback controller for a treadmill, in a virtual environment, using a rear projection screen, that keeps the visual extents consistent across subjects and allows them to set their own walking pace naturally. (A) Please consider this paper for poster presentation (B) This paper is intended for Applications Sessions. (C) The first author is not a student. Authors: Lee Lichten...
A large number of experiments have asked to what degree human reaching movements can be understood as being close to optimal in a statistical sense. However, little is known about whether these principles are relevant for other classes of movements. Here we analyzed movement in a task that is similar to surfing or snowboarding. Human subjects stand on a force plate that measures their center of...
This paper presents the “caddie paradigm” a new interface for teleoperation of mobile robots. We present a prototype based on the use of a treadmill as a free-locomotion interface. The “caddie paradigm” allows for controlling a real robot by “pushing” its virtual representation displayed on a large projection screen. This system lets the operator walk right behind the robot situated in a remote...
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