• Title/Summary/Keyword: Ubiquitous-Safety

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Effect of Quality of Curation Service on User Satisfaction, Trust, and Persistence Usage (패션 큐레이션의 서비스 품질이 사용자 만족, 신뢰, 지속사용의도에 미치는 영향)

  • Kim, Seoyeong;Kim, Eunhye;Lee, Jin Hwa
    • Fashion & Textile Research Journal
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    • v.22 no.6
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    • pp.762-776
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    • 2020
  • This study tried to investigate the effect of the service quality attributes of the curation on the satisfaction, trust, and intention to continuous use of consumers in that curation services are derived in various forms and being greatly activated, there are not many academic discussions centered on them. Besides, differences between curation services by each service provider were also verified in this study. Data collection was conducted for one month in August 2019, with 373 men and women in their 20s. The results of the study are as follows. First, according to the result of investigating the variables that make effect on user satisfaction of curation service, it was identified that satisfaction has increased when figures of fulfillment, responsiveness, personalization, design, ease of use, and safety were higher. Second, among the variables that influence the reliability of the curation service, trust increases when user satisfaction, design, ease of use, and safety are higher. Third, satisfaction has a positive effect on trust, and both satisfaction and reliability affect the intention to continue use. Fourth, as a result of examining the difference in quality between the curation services divided by Curating subject, it was found that satisfaction, ubiquitous connectivity, and responsive quality were measured higher in the business operator service than in the user curation service.

Research for realization of platform of portable radiation detector using NaI(TI) Scintillator (NaI(TI) Scintillator를 이용한 휴대용 방사선 검출 장치 구현에 대한 연구)

  • Lee, Yoon-Ho;Kim, Young-Kil
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • 2012.05a
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    • pp.266-269
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    • 2012
  • Over the world, the development of critical technology for the safety and security of coastal distribution based on ubiquitous computing is being processed to meet the bottom lines of governmental regulations. Currently, 3D detectors using X-rays for freight search technology are being developed concerning U-based shipping security systems. In addition to that, there are increasing needs for developing portable radiation detector to detect gamma rays nuclide. The purpose of the thesis is to suggest the research of high speed portable gamma rays detector platform to prevent disorder caused to humans and public objects.

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New Vehicle Verification Scheme for Blind Spot Area Based on Imaging Sensor System

  • Hong, Gwang-Soo;Lee, Jong-Hyeok;Lee, Young-Woon;Kim, Byung-Gyu
    • Journal of Multimedia Information System
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    • v.4 no.1
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    • pp.9-18
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    • 2017
  • Ubiquitous computing is a novel paradigm that is rapidly gaining in the scenario of wireless communications and telecommunications for realizing smart world. As rapid development of sensor technology, smart sensor system becomes more popular in automobile or vehicle. In this study, a new vehicle detection mechanism in real-time for blind spot area is proposed based on imaging sensors. To determine the position of other vehicles on the road is important for operation of driver assistance systems (DASs) to increase driving safety. As the result, blind spot detection of vehicles is addressed using an automobile detection algorithm for blind spots. The proposed vehicle verification utilizes the height and angle of a rear-looking vehicle mounted camera. Candidate vehicle information is extracted using adaptive shadow detection based on brightness values of an image of a vehicle area. The vehicle is verified using a training set with Haar-like features of candidate vehicles. Using these processes, moving vehicles can be detected in blind spots. The detection ratio of true vehicles was 91.1% in blind spots based on various experimental results.

RFID Mutual Authentication Protocol Against Reflection Attack (반사공격에 안전한 RFID 인증 프로토콜)

  • Kim, Bae-Hyun;Ryoo, In-Tae
    • The Journal of Korean Institute of Communications and Information Sciences
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    • v.32 no.3C
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    • pp.348-354
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    • 2007
  • RFID system is emerging new technology for ubiquitous computing environment. RFID system, however, provides privacy problems while the technology offers incredible rich opportunities for applications in the filed of logistics, distribution, and medical services, etc. Many researches have been conducted in order to solve this problem, but the current RFID authentication protocols are still insufficient for settling the privacy problem in the point of view of privacy intrusion and system efficiency. The purpose of this paper is to present a RFID mutual authentication protocol which improves safety level, compared with current authentication protocols. The proposed authentication protocol can provide mutual authentication services, and is secure against location tracing, spoofing, reflection attack.

Research for realization of platform of portable radiation detector using NaI(Tl) Scintillator (NaI(Tl) Scintillator를 이용한 휴대용 방사선 검출 장치 구현에 대한 연구)

  • Lee, Jon-Hwey;Joh, Yool-Hee;Lee, Yoon-Ho;Lim, Ik-Chan;Kim, Young-Kil
    • Journal of the Korea Institute of Information and Communication Engineering
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    • v.16 no.10
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    • pp.2323-2328
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    • 2012
  • Over the world, the development of critical technology for the safety and security of coastal distribution based on ubiquitous computing is being processed to meet the bottom lines of governmental regulations. Currently, 3D detectors using X-rays for freight search technology are being developed concerning U-based shipping security systems. In addition to that, there are increasing needs for developing portable radiation detector to detect gamma rays. The purpose of the thesis is to suggest the research of high speed portable gamma rays detector platform to prevent disorder caused to humans and public objects.

On a Enhanced Mobile OTP generator design using Transaction (이체정보를 활용한 강화된 모바일 OTP 생성기 설계)

  • Park, Beum-Su;Cho, Sang-Il;Kim, Tae-Yong;Lee, Hoon-Jae
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • 2010.10a
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    • pp.227-228
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    • 2010
  • Generated One-Time Password (OTP) is used only once. This attributes is to safety than to repeated use the same password. Recently, Park's proposed on "Design of A One-time Password Generator on A Mobile Phone Providing An Additional Authentication for A Particular Transaction" use challenge-response based one-time password generator. However, Challenge exchange problem and currently OTP the same security level. In this paper, Park's proposed OTP generator design for us analysis. And then presents a resolution to the problem and new system logic. New system strong to Man-In-Middle attack and replay attack. In addition, OTP security level is higher.

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Distributed Real Time Simulation Programming with Time and Message Object Oriented in Computer Network Systems

  • Ra , Sang-Dong;Na, Ha-Sun;Kim, Moon-Hwan
    • The Journal of Korean Institute of Communications and Information Sciences
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    • v.29 no.1C
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    • pp.157-165
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    • 2004
  • Real-time(RT) object-oriented(OO) distributed computing is a form of RT distributed computing realized with a distributed computer system structured in the form of an object network. Several approached proposed in recent years for extending the conventional object structuring scheme to suit RT applications, are briefly reviewed. Then the approach named the TMO(Time-triggered Message-triggered Object)structuring scheme was formulated with the goal of instigating a quantum productivity jump in the design of distributed time triggered simulation. The TMO scheme is intended to facilitate the pursuit of a new paradigm in designing distributed time triggered simulation which is to realize real-time computing with a common and general design style that does not alienate the main-stream computing industry and yet to allow system engineers to confidently produce certifiable distributed time triggered simulation for safety-critical applications. The TMO structuring scheme is a syntactically simple but semantically powerful extension of the conventional object structuring approached and as such, its support tools can be based on various well-established OO programming languages such as C++ and on ubiquitous commercial RT operating system kernels. The Scheme enables a great reduction of the designers efforts in guaranteeing timely service capabilities of application systems. Start after striking space key 2 times.

Stereoscopic Video Coding for Subway Accident Monitoring System (지하철 사고 감시를 위한 스테레오 비디오 부호화 기법)

  • Oh, Seh-Chan;Kim, Gil-Dong;Park, Sung-Hyuk
    • Proceedings of the KIEE Conference
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    • 2005.10b
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    • pp.484-486
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    • 2005
  • Passenger safety is a primary concern of railway system but, it has been urgent issue that dozens of people are killed every year when they falloff from train platforms. Recently, advancements in IT have enabled applying vision sensors to railway environments, such as CCTV and stereo camera sensors. In this paper, we propose a stereoscopic video coding scheme for subway accident monitoring system. The proposed scheme is designed for providing flexible video among various displays, such as control center, station employees and train driver. We uses MPEG-2 standard for coding the left-view sequence and IBMDC for predicting the P- and B-types of frames of the right-view sequence. IBMDC predicts matching block by interpolating both motion and disparity predicted macroblocks. To provide efficient stereoscopic video service. we define both temporally and spatially scalable layers for each eye's-view by using the concept of Spatio-Temporal scalability. According to the experimental results. we expect the proposed functionalities will play a key role in establishing highly flexible stereoscopic video codec for ubiquitous display environment where devices and network connections are heterogeneous.

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High Level Approach Programming in Real Time Distributed Network System

  • Jeong, Chan-Joo;Kim, Gwang-Jun;Lee, Joon;Nam, Ki-Hwan;Bae, Chul-Soo
    • Proceedings of the IEEK Conference
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    • 2002.07b
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    • pp.1105-1108
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    • 2002
  • Real-time(RT) object-oriented(OO) distributed computing is a form of RT distributed computing realized with a distributed computer system structured in the form of an object network. Several approached proposed in recent years for extending the conventional object structuring scheme to suit RT applications, are briefly reviewed. Then the approach named the TMO(Time-triggered Message-triggered Object)structuring scheme was formulated with the goal of instigating a quantum productivity jump in the design of distributed time triggered simulation. The TMO scheme is intended to facilitate the pursuit of a new paradigm in designing distributed time triggered simulation which is to realize real-time computing with a common and general design style that does not alienate the main-stream computing industry and yet to allow system engineers to confidently produce certifiable distributed time tiggered simulation for safety-critical applications. The TMO structuring scheme is a syntactically simple but semantically powerful extension of the conventional object structuring approached and as such, its support tools can be based on various well-established OO programming languages such as C++ and on ubiquitous commercial RT operating system kernels. The Scheme enables a great reduction of the designers efforts in guaranteeing timely service capabilities of application systems.

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Environmental Pollution and Gene Expression: Dioxin

  • Kim, Ki-Nam;Kim, Meyoung-Kon
    • Molecular & Cellular Toxicology
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    • v.1 no.2
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    • pp.78-86
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    • 2005
  • Dioxins, especially 2, 3, 7, 8-Tetrachlorodibenzo-p-dioxin (TCDD or dioxin), are ubiquitous environmental contaminants. TCDD is known that it has toxic effects in animals and humans, including chloracne, immune, reproductive and developmental toxicities, carcinogenicity, wasting syndrome and death. TCDD induces a broad spectrum of biological responses, including disruption of normal hormone signaling pathways, reproductive and developmental defects, immunotoxicity, liver damage, wasting syndrome and cancer. Many researches showed that TCDD induces gene expression of transcriptional factors related cell proliferation, signal transduction, immune system and cell cycle arrest at molecular and cellular levels. These toxic actions of TCDD are usually mediated with AhR (receptor, resulted from cell culture, animal and clinical studies). cDNA microarray can be used as a highly sensitive and informative marker for toxicity. Additionally, microarray analysis of dioxin-toxicity is able to provide an opportunity for the development of candidate bridging biomarkers of dioxin-toxicity. Through microarray technology, it is possible to understand the therapeutic effects of agonists within the context of toxic effects, classify new chemicals as to their complete effects on biological systems, and identify environmental factors that may influence safety.