Augmented Reality in the 21st century Library

 




Augmented Reality in the 21st century Library



I. INTRODUCTION

Augmented reality (AR) bridges the gap between the real world and the virtual world – spatially and cognitively . 

It allows to integrate the real world and the virtual world and presents information on mobile devices that directly corresponds to the physical environment. By selecting, filtering, and visualizing virtual objects context-based information can be displayed together with real world objects.


AR is categorized by Gartner in its Hype Cycle for Emerging Technologies 2018 to be part of the Trough of Disillusionment.


Augmented Reality integrates 3D virtual objects in a 3D real environment in real time [8]. In AR virtual objects are superimposed upon or composited with the real world, but the user can still see the real world. Therefore, AR supplements reality, rather than completely replacing it like in Virtual Reality (VR).

Instead of creating a completely synthetic world (i.e., virtual world) in which the observer is completely immersed, the Mixed Reality merges real and virtual worlds. According to Milgram and Kishino there is a reality-virtuality continuum that is related to a mixture of classes of objects. With the real environment (consisting solely of real objects) and the virtual environment (consisting solely of virtual objects) as the two opposite extrema, there is the Mixed Reality in between in which real world and virtual world objects are presented together within a single display. 

Augmented Reality is the part of the Mixed Reality more close to the real environment where real objects are more dominant than virtual objects.


 

Reality-Virtuality (RV):

They are designed to make it easy to be detected in the image: square or circular shape, black border, high contrast . In situations where no artificial markers can be applied, natural features of objects can be used instead, e.g., by identifying interest points, tracking edge features, or high differences in color or contrast 

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