NDLI: A Natural Click Interface for AR Systems with a Single Camera

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A Natural Click Interface for AR Systems with a Single Camera

Content Provider	Scilit
Author	Sugiura, Atsushi Toyoura, Masahiro Mao, Xiaoyang
Copyright Year	2020
Description	Clicking on a virtual object is the most fundamental and important interaction in augmented reality (AR). However, existing AR systems do not support natural click interfaces, because head-mounted displays with only one camera are usually adopted to realize augmented reality and it is difficult to recognize an arbitrary gesture without accurate depth information. For the ease of detection, some systems force users to make unintuitive gestures, such as pinching with the thumb and forefinger. This paper presents a new natural click interface for AR systems. Through a study investigating how users intuitively click virtual objects in AR systems, we found that the speed and acceleration of fingertips provide cues for detecting click gestures. Based on our findings, we developed a new technique for recognizing natural click gestures with a single camera by focusing on temporal differentials between adjacent frames. We further validated the effectiveness of the recognition algorithm and the usability of our new interface through experiments. Book Name: Graphics Interface 2014
Related Links	https://content.taylorfrancis.com/books/download?dac=C2014-0-31294-0&isbn=9781003059325&doi=10.1201/9781003059325-9&format=pdf
Ending Page	75
Page Count	9
Starting Page	67
DOI	10.1201/9781003059325-9
Language	English
Publisher	Informa UK Limited
Publisher Date	2020-11-18
Access Restriction	Open
Subject Keyword	Book Name: Graphics Interface 2014 Augmented Reality Differentials Natural Click Click Interface
Content Type	Text
Resource Type	Chapter

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