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33
Detection of a Virtual Passive Pointer
"... The paper presents a methodology for detecting a virtual passive pointer. The passive pointer or device does not have any active energy source within it (as opposed to a laser pointer) and thus cannot easily be detected or identified. The modeling and simulation task is carried out by generating hig ..."
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The paper presents a methodology for detecting a virtual passive pointer. The passive pointer or device does not have any active energy source within it (as opposed to a laser pointer) and thus cannot easily be detected or identified. The modeling and simulation task is carried out by generating
unknown title
"... Research and applications in man–machineinterfaces or devices often use touch as an enabler. The ability to touch a computer display and manipulate displayed objects or control applications is a natural extension of everyday human experience where touch is a critical sense. As a result, researchers ..."
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a special pointer device to interact with a computer. A passive pointer can be
Smarter Presentations: Exploiting Homography in . . .
- PROCEEDINGS OF INTERNATIONAL CONFERENCE ON COMPUTER VISION
, 2001
"... Standard presentation systems consisting of a laptop connected to a projector suffer from two problems: (1) the projected image appears distorted (keystoned) unless the projector is precisely aligned to the projection screen; (2) the speaker is forced to interact with the computer rather than the au ..."
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Cited by 102 (12 self)
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the projected slide and the camera image. Significant improvements are possible over passively calibrating systems since the projector actively manipulates the environment by placing feature points into the scene. For instance, using a low-resolution (160x120) camera, we can achieve an accuracy of pixels
Manager Classes, Passive and Active Objects, and Two-Layered Frameworks
"... This paper presents a new design strategy, which treats relations between classes as objects. This concept has a profound effect on the entire software architecture: Instead of having many active objects that are busy communicating with each other, the architecture is based on active objects which m ..."
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manage less actively sometimes totally passive objects. This arrangement brings system and order into the chaos of uncontrolled object interaction. When applying this concept to framework design, we get frameworks composed of two layers: A layer of classes that carry framework relevant data and pointers
ANALYSIS OF THE PASSIVE SAFETY OF MOTORCYCLES USING ACCIDENT INVESTIGATIONS AND CRASH TESTS
"... Based on information in DEKRA accident recon-struction expertises, 302 motorcycle accidents were ana-lysed which occurred within the period 1989 to 1996 in Germany. Among them were 46 accidents involving mo-tor scooters. The accident analysis results (e.g. distribution of accident types, motorcycle ..."
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. In conclusion, against the background of actual acci-dent occurrences and the test results, the current position with regard to the passive safety of motorcycles is de-scribed and pointers given toward possibilities for im-provement.
Surgeon’s Magic Wand: A Screen Pointing Interactive Method
"... Abstract: A novel, non-touch, screen pointing “magic wand ” interface is proposed for surgeon’s use in an environment requiring simultaneous display of several patients ’ data over a continuous period of time. The magic wand or passive pointing device does not have any active energy source within it ..."
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. This preliminary work will lead to a complex development for interactive hand pointing gesture recognition system and its applicability to a large viewing display environment. Keywords: Surgeon’s wand, screen pointing interface, passive pointer, image processing, hand pointing gesture Advances in medical research
Sensorimotor representation for pointing to targets in threedimensional
, 1989
"... 1. The accuracy with which subjects pointed to targets in extrapersonal space was assessed under a variety of experimental conditions. 2. When subjects pointed in the dark to remembered target locations, they made substantial errors. Errors in distance, measured from the shoulder to the target, were ..."
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Cited by 61 (1 self)
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the information about its direction. 4. The errors in distance persisted when subjects had their arm in view and pointed in the light to remembered target locations. 5. The errors were much smaller when subjects used a pointer to point to the target or when they were asked to reproduce the position
Fault tolerant active rings for structured peer-to-peer overlays
- Proc. of the 30th Annual IEEE Conf. on Local Computer Networks
, 2005
"... Algorithms by which peers join and leave structured overlay networks can be classified as passive or active. Passive topology maintenance relies on periodic background repair of neighbor pointers. When a node passively leaves the overlay, subsequent lookups may fail silently. Active maintenance has ..."
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Cited by 7 (0 self)
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Algorithms by which peers join and leave structured overlay networks can be classified as passive or active. Passive topology maintenance relies on periodic background repair of neighbor pointers. When a node passively leaves the overlay, subsequent lookups may fail silently. Active maintenance has
The Semantic Paintbrush: Interactive 3D Mapping and Recognition in Large Outdoor Spaces
"... Figure 1: (a) Our system comprises of an off-the-shelf pair of optical see-through glasses, with additional stereo RGB-Infrared cameras, and an additional handheld infrared/visible light laser. (b) The passive stereo cameras are used for extended range and outdoor depth estimation. (c) The user can ..."
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Cited by 1 (1 self)
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using active depth cameras, we use a purely passive stereo setup, allowing for outdoor use and extended sensing range. Our system not only produces a map of the 3D environment in real-time, it also allows the user to draw (or ‘paint’) with a laser pointer directly onto the reconstruction to segment
Improved Community Display Through User Interaction
"... We have developed an interactive interface for a wall sized community display. This is built as a replacement for a previously existing passive system. Because of its passive nature, the previous display needed to show as much simultaneous information as possible, resulting in a system that was diff ..."
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We have developed an interactive interface for a wall sized community display. This is built as a replacement for a previously existing passive system. Because of its passive nature, the previous display needed to show as much simultaneous information as possible, resulting in a system
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