[Poster] Towards user perspective augmented reality for public displays

2014 ◽  
Author(s):  
Jens Grubert ◽  
Hartmut Seichter ◽  
Dieter Schmalstieg
Keyword(s):  
Augmented Reality ◽  
User Perspective ◽  
Public Displays

scholarly journals PPAP: Perspective Projection Augment Platform with Pan–Tilt Actuation for Improved Spatial Perception

Sensors ◽  
2019 ◽  
Vol 19 (12) ◽  
pp. 2652
Author(s):  
JungHyun Byun ◽  
Tack-Don Han
Keyword(s):  
Augmented Reality ◽  
Depth Perception ◽  
Spatial Perception ◽  
Spatial Relationship ◽  
User Studies ◽  
Servo Control ◽  
Virtual Object ◽  
Perspective Projection ◽  
User Perspective ◽  
Relationship Of

In this paper, we propose PPAP, an augmented reality platform with an actuated projector for dynamic user-perspective projection. In PPAP, a stationary camera is used jointly with a pan–tilt motorized projector-camera unit. With the servo control of the steerable pan–tilt system, the system is able to continuously orient itself to match the user’s view center of the projection-mapped surface. This provides users with greatly widened viewing angles in the augmented scene, when compared to the stationary projection. Through user studies, in which users judged the size and distance of a projected virtual object, we verified that the perspective projection with the actuated projector helps users better understand the spatial relationship of the virtual object in the augmented scene in terms of depth perception.

The Intelligent Agents

2014 ◽  
pp. 332-356 ◽  
Keyword(s):  
Virtual Reality ◽  
Augmented Reality ◽  
Social Networking ◽  
Second Life ◽  
Intelligent Agents ◽  
Wearable Computing ◽  
Collaborative Virtual Environments ◽  
Public Displays ◽  
Interactive 3D ◽  
Computing Machines

Tools available for enhancing and sharing knowledge include intelligent agents, Augmented Reality (AR), and Virtual Reality (VR), among other solutions and paradigms. Collaborative computing became possible due to the advances in social networking, collaborative virtual environments, multi-touch screen-based technologies, as well as ambient, ubiquitous, and wearable computing. Examples of simulations in various domains include virtual computing machines, transient public displays of the data, mining for patterns in data, and visualizations of past events with the use of immersive technologies, virtual reality, and augmented reality. Further discussion relates to the tools for creating and publishing interactive 3D media and the Second Life culture.

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