The Journal of the Korea institute of electronic communication sciences (한국전자통신학회논문지)

Korea Institute of Electronic Communication Science (한국전자통신학회)
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A Study on User - centered Usability Elements of User Interface Designs in an Augmented Reality Environment

증강현실 사용자 인터페이스의 사용자중심 사용성 요소 연구

  • 김운 (중국 우한공정대학교 산업디자인학과) ;
  • 이철승 (광주여자대학교 교양교직과정부)
  • Received : 2018.09.19
  • Accepted : 2018.12.15
  • Published : 2018.12.31
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Abstract

In order to complete the AR UI design simply and quickly, the usable factors were studied in this thesis. The primary aim of interface design is to increase the usability. The various factors should be considered together when we evaluate the usability. The idealized usable working model is based on user-centered with the aim of perceiving the interests of users, operating easily and completing targets. In order to ensure the types of usable factors, literature survey method had been used and a total of 85 usable factors had been collected by this survey. To make the usable factors can adapt the augmented reality, the concept of factors should be redefined. We extract the items which is adaptable and user-centered, combine or delete the items that have the same meanings and finally select 25 usable evaluative factors. Then we take HCI professional as the object and collect the data by Heuristic Evaluation. We systematize the usable factors by Principal Component Analysis, and observe the correlation between the usable factors and classify those which have high correlation.

지금까지의 UI(: User interface)는 GUI를 바탕으로 연구되어 있기 때문에 증강현실 환경에서 사용되는 UI를 정의하기에는 그 내용이 충분하지 않았다. 본 연구는 가상환경에서의 UI에 대한 연구로 증강현실한경에서 UI의 사용성 요소를 연구하였다. 이 연구에 사용된 평가 방법은 가장 대표적인 넬슨의 휴리스틱을 중심으로 연구되었다. 그러나 기존에 정리된 사용성 원칙들은 다소 보편적이고 일반적인 개념들이기 때문에 증강현실 UI 적용하기 위해서는 증강현실 환경에 맞는 항목을 세부화 시키는 노력이 필요했다. 사용성 평가의 기준을 정하기 위해 넬슨의 휴리스틱 평가방법을 중심으로 국내외 관련 연구를 조사하였으며, 조사된 사용성 요소 중 중복된 내용과 증강현실 환경에 적용하기 어려운 요소는 제거하여 증강현실에서 사용 가능한 25 사용성요소를 선별하였다. 선별된 사용성 요소는 본래 가지고 있는 요소개념에 증강현실 환경에 적합하도록 요소의 개념을 구체화 시켰다.

Keywords

KCTSAD_2018_v13n6_1317_f0001.png 이미지

그림 1. 사용성에 대한 문제점 발견비률 Fig. 1 Proportion of usability problems found

KCTSAD_2018_v13n6_1317_f0002.png 이미지

그림 2. 사용성 비용대비 이익비율 Fig. 2 Ration of benefits to costs

KCTSAD_2018_v13n6_1317_f0003.png 이미지

그림 3. 사용성 평가요소 선별 Fig. 3 Selected usability assessment elements

표 1. 사용성 평가요소 연구사례 Table 1. Usability assessment elements

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표 2. 주요 성분 분석 Table 2. principal component analysis

KCTSAD_2018_v13n6_1317_t0002.png 이미지

표 3. 사용성 요인분류의 신뢰성 분석 Table 3. reliability analysis of different factors

KCTSAD_2018_v13n6_1317_t0003.png 이미지

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