• 대한인간공학회지
• /
• 제33권3호
• /
• pp.241-253
• /
• 2014

Objective: The objective of this study was to examine multi-modal interaction effects of input-mode switching on the use of smart phones. Background: Multi-modal is considered as an efficient alternative for input and output of information in mobile environments. However, there are various limitations in current mobile UI (User Interface) system that overlooks the transition between different modes or the usability of a combination of multi modal uses. Method: A pre-survey determined five representative tasks from smart phone tasks by their functions. The first experiment involved the use of a uni-mode for five single tasks; the second experiment involved the use of a multi-mode for three dual tasks. The dependent variables were user preference and task completion time. The independent variable in the first experiment was the type of modes (i.e., Touch, Pen, or Voice) while the variable in the second experiment was the type of tasks (i.e., internet searching, subway map, memo, gallery, and application store). Results: In the first experiment, there was no difference between the uses of pen and touch devices. However, a specific mode type was preferred depending on the functional characteristics of the tasks. In the second experiment, analysis of results showed that user preference depended on the order and combination of modes. Even with the transition of modes, users preferred the use of multi-modes including voice. Conclusion: The order of combination of modes may affect the usability of multi-modes. Therefore, when designing a multi-modal system, the fact that there are frequent transitions between various mobile contents in different modes should be properly considered. Application: It may be utilized as a user-centered design guideline for mobile multi modal UI system.

• 대한인간공학회지
• /
• 제31권4호
• /
• pp.499-505
• /
• 2012

Objective: Research on the transformation of interaction between mobile machines and users through analysis on current gesture interface technology development trend. Background: For smooth interaction between machines and users, interface technology has evolved from "command line" to "mouse", and now "touch" and "gesture recognition" have been researched and being used. In the future, the technology is destined to evolve into "multi-modal", the fusion of the visual and auditory senses and "3D multi-modal", where three dimensional virtual world and brain waves are being used. Method: Within the development of computer interface, which follows the evolution of mobile machines, actively researching gesture interface and related technologies' trend and development will be studied comprehensively. Through investigation based on gesture based information gathering techniques, they will be separated in four categories: sensor, touch, visual, and multi-modal gesture interfaces. Each category will be researched through technology trend and existing actual examples. Through this methods, the transformation of mobile machine and human interaction will be studied. Conclusion: Gesture based interface technology realizes intelligent communication skill on interaction relation ship between existing static machines and users. Thus, this technology is important element technology that will transform the interaction between a man and a machine more dynamic. Application: The result of this study may help to develop gesture interface design currently in use.

• 전기학회논문지
• /
• 제56권8호
• /
• pp.1424-1429
• /
• 2007

This paper presents a simple and reliable one-touch type multi-immunosensing lab-on-a-chip (LOC) detecting antibodies as multi-disease markers using electrochemical method suitable for a portable point-of-care system (POCS). The multi-stacked LOC consists of a PDMS space layer for liquids loading, a PDMS valve layer with 50 im in height for the membrane, a PDMS channel layer for the fluid paths, and a glass layer for multi electrodes. For the disposable immunoassay which needs sequential flow control of sample and buffer liquids according to the designed strategies, reliable and easy-controlled on-chip operation mechanisms without any electric power are necessary. The driving forces of sequential liquids transfer are the capillary attraction force and the pneumatic pressure generated by air bladder push. These passive fluid transport mechanisms are suitable for single-use LOC module. Prior to the application of detection of the antibody as a disease marker, the model experiments were performed with anti-DNP antibody and anti-biotin antibody as target analytes. The flow test results demonstrate that we can control the fluid flow easily by using the capillary stop valve and the PDMS check valves. By the model tests, we confirmed that the proposed LOC is easily applicable to the bioanalytic immunosensors using bioelectrocatalysis.

• 한국컴퓨터정보학회논문지
• /
• 제20권9호
• /
• pp.47-53
• /
• 2015

In this paper, we propose a novel tangible interface system whose system does not use the expensive hardware is introduced. This proposed tangible interface is used on the table top capacitive multi touch-screen. The tangible interface apparatus which is called smart puck has sanguine arduino compatible board. The board has a Cds photo-sensing sensor and the EPP8266 WiFi module. The Cds sensor decodes the photometric PWM signals from the system and sends corresponding information to the system via TCP/IP. The system has a server called MT-Server to communicate with the smart pucks. The tangible interface shows reliable operation with fast response that is compatible to the expensive traditional devices in the market.

• 한국컴퓨터정보학회:학술대회논문집
• /
• 한국컴퓨터정보학회 2012년도 제46차 하계학술발표논문집 20권2호
• /
• pp.13-14
• /
• 2012

본 논문에서는 멀티 터치 테이블을 중심으로 u-Learning 시스템을 제안한다. 멀티 터치 테이블에서 수업 진행 중 교사는 모바일로 멀티 터치 테이블을 제어함으로써 수업을 진행 및 관리하고, 학생들은 마커를 이용하여 멀티 터치 테이블과의 인터랙션을 통해 웹과 자동화된 과제 시스템을 이용함으로써 능동적인 학습참여를 할 수 있게 된다.

• 한국정보통신학회논문지
• /
• 제18권3호
• /
• pp.541-550
• /
• 2014

본 논문은 타일드 디스플레이에서 여러 사용자들이 천리안 해양관측 위성영상을 관측 및 분석하기 위하여 다중 입력 장치를 활용한 멀티스케일 인터랙션 기반의 가시화 시스템을 설명한다. 이 시스템은 멀티터치 스크린, 키넥트 동작 인식, 모바일 인터페이스를 제공하여 여러 사용자들이 타일드 디스플레이 화면에 근접하거나 원거리에서 다양한 인터랙션을 통하여 한반도 중심의 해양 환경 및 기후 변화 정보를 효과적으로 관측할 수 있다. 천리안 해양관측 위성영상은 고화질의 메모리양이 많아서 원본 영상을 작은 영상으로 분할한 멀티레벨 이미지 로드 기법을 사용하여 시스템의 부하를 줄이면서 사용자의 다양한 조작에서 타일드 디스플레이 화면에 매끄럽게 출력되도록 하였다. 이 시스템은 다중 사용자의 키넥트 제스처와 터치 포인트 입력 및 모바일 장치로 부터 입력된 정보를 일반화 처리하여 타일드 디스플레이 응용프로그램에 공통적으로 활용 가능한 다양한 인터랙션을 지원하였다. 또한 특정 날짜에 해당하는 시간 단위의 해양관측 위성 영상이 순차적으로 화면에 출력되며, 여러 사용자들이 동시에 위성영상을 자유롭게 확대 축소하고 상하좌우로 이동하며 다양한 기능의 버튼을 누르는 등의 인터랙션을 할 수 있도록 하였다.

• 한국콘텐츠학회논문지
• /
• 제10권8호
• /
• pp.461-471
• /
• 2010

최근, 현실세계와 가상세계를 결합하여 디지털 컨텐츠 형태로 보여주는 증강 현실 기술이 등장하고 있다. 증강현실 기술의 효과를 극대화하기 위해서, 사용자가 현실세계의 사물을 조작하는 것과 유사한 방법으로 디지털 콘텐츠와 상호작용하는 것을 가능하게 해 주는 실감형 인터페이스가 적용된다. 특히, 교육 분야에서는 이러한 기술들이 학습자의 흥미와 몰입도를 높이고, 학습 효과를 극대화할 수 있는 새로운 학습 콘텐츠의 제작을 가능하게 할 것으로 기대되고 있다. 본 논문에서는 멀티 터치스크린과 실감형 인터페이스를 적용한 과학 실험 학습 시스템을 제안한다. 이 시스템은 종래의 실험대 위에서 이루어지는 실험도구의 조작을 대체하기 위하여 대형 멀티 터치스크린을 장착한 실험 테이블과 간단한 사용자의 제스쳐를 인식할 수 있는 실감형 학습 디바이스를 사용한다. 실제 과학 실험에서는 높은 비용이나 긴 시간, 또는 위험 물질들이 요구되기도 하는데, 본 시스템은 이러한 요인들을 극복하면서 학습자들에게 다양한 실험을 현실감 있게 제공할 수 있다.

• 한국인터넷방송통신학회논문지
• /
• 제18권1호
• /
• pp.23-28
• /
• 2018

본 연구에서는 팩토리 작업장에 설치된 여러 종류의 멀티터치 기술 기반 센서로부터 수집된 이벤트와 데이터를 제공함으로써 작업장의 상태 감시와 이벤트 관리를 용이하게 할 수 있는 플랫폼을 개발하였다. 영상인식 기술을 활용하여 팩토리 작업장 내 사람들의 얼굴을 인식하여 작업자별 맞춤형 콘텐츠를 제공하며, 얼굴인식을 통한 개별 작업자 인증으로 콘텐츠 보안을 강화하도록 하였다. 제스처 인식을 통한 콘텐츠 제어 기능을 구축하여 작업자가 간단하게 문서를 검색할 수 있도록 하였고, 모바일 장치에서도 얼굴인식 기능을 구현하여 작업자를 위한 콘텐츠 제공이 가능하게 하였다. 본 연구의 결과를 작업장 안전, 콘텐츠 보안, 작업자 편의 등을 향상시키는데 이용할 수 있으며 향후 스마트 팩토리 구축을 위한 기반기술로 활용할 수 있다.

• International Journal of Internet, Broadcasting and Communication
• /
• 제7권2호
• /
• pp.73-78
• /
• 2015

Touch panel is mainly applied to pressure type touch panel but it occur a low recognition rate and error during long-term use. So, it is partly applied to capacitive touch panel to compensate for these problems but it also can occur a same problems via pollutions. Touch technology has developed a various method but it is not used because of high costs and difficult installation process. So, in this paper, we proposed an input method of touchless panel using IrDA matrix. This method is conducted using an IrDA Matrix composed of depth sensor. It is possible to offer a various contents for multi user. The proposed technology need a development of a high sensitivity sensing method and high-speed processing method of position information for Seamless operation control. And, it is required high-precision drive technology. Also, we proposed a Seamless user recognition for interactive contents service through a touchless panel using IrDA matrix.

• 한국의류학회지
• /
• 제41권2호
• /
• pp.296-305
• /
• 2017

Gallnuts are known to exert various pharmaceutical properties that include anti-inflammatory, antimicrobial, antioxidant, and detoxifying effects. Gallnut extract is thought to be a particularly safe antimicrobial agent for textile application due to its natural origins. Hence, textiles were dyed with gallnut to develop multi-functional clothing material with no harmful effects. In this study, three kinds of cool touch woven fabrics, each comprised of 100% viscose rayon filament, viscose rayon filament/high absorption & quick dry (polyester) filament, and viscose rayon $filament/tencel^{(R)}$ spun yarn, were prepared and used as substrates for gallnut dyeing to especially develop functional cool touch textiles for summer clothing material. On the other hand, gallnut dyeing was conducted with mordanting with iron, lime or alum, which induced different colors on the dyed textiles. Dyed textiles were then investigated by SEM, FTIR, antibacterial test, and antioxidant test. Subsequently, gallnut dyed textiles indicated excellent antibacterial ability and deodorization activity regardless of mordant species. However, only gallnut dyed textiles mordanted with iron and alum showed significant antioxidant ability. In addition, the dyeing processes impair the cool touch feeling of the textiles by changing the micro structure of the textile surface.