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Outdoor Augmented Reality Spatial Information Representation |
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PP: 505-509 |
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Author(s) |
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Fu Ren,
Xueling Wu,
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Abstract |
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| From the perspective of Location Based Services, this paper explores basic characteristics, architectural design and
application mode of outdoor Augmented Reality (AR) spatial information representation. Then system structure is proposed and
key technologies are analysed. Finally, two cases are designed to verify the efficiency and accuracy of methods. One puts forward
and practices a hybrid hardware registration method. In order to avoid complex and tedious process of position tracking and camera
calibration, the other introduces algorithm of computer vision to set up global affine coordinate system for computing projection
coordinates of virtual objects into real scene images, and an approach to get the relative depth of pixels is put forward. The results have
proved outdoor AR spatial information representation to be an effective optimal method in helping people obtain a vivid and deep-level
spatial cognition. |
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