Journal of the Korea Society of Computer and Information
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v.18
no.2
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pp.117-126
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2013
Path planning is an essential problem to make virtual characters navigate in many applications including computer games. In many cases, multiple characters move in a group and qualitative aspects of planned paths are emphasized rather than optimality unlike Robotics. In this paper, we propose a two-level path planning algorithm in which the global path is planned for a single character specified as a leader and then the local path is planned to avoid dynamic obstacles while the group following this path. The space for group movement is achieved in the form of square grid array called a grid window. Member characters are located relatively to the leader within a space and moved. The static environment is reduced to the configuration space of this grid window to generate a roadmap on which a grid window can move. In local path planning, only the leader avoids dynamic obstacles by using an artificial potential field and the rest of members are located relatively to the leader in the grid window, which reduces computational load. Efficient algorithms to implement the proposed planning methods are introduced. The simulation results show that a group can handle with dynamic obstacles effectively while moving along the planned path for a static environment.
A historical and cultural map needs an overall reflection of the links based on time and space among the various composite factors, instead of requiring a simple collection of the respective relics in a particular region. The study of history, culture and living environment of river system area, a place that is known to as a cradle of civilization, will be able to undertake a role in the research and comparison with other cultural regions, reaching beyond the regional units until now and moreover investigation the international and intercontinental history of civilization. In this context, this research focuses on the establishment of a cultural information system for the public use and the insight to the regional identity and materialization of culture based on Korea's peculiar history and culture. Thus, the information system for Youngsan River area aims to create a form of electronic map that contains various cultural and historical information on river system area, which is a integrated information system based on Web GIS that is open to public use through the internet. The above mentioned system is a combined product from the basic research data on various fields of study, including archaeology, architecture, arts, ecological environment, history, folk customs, literature, and food, while it aims for not only its utilization in interdisciplinary studies but also creating new value as a public database. As a result, the expected effects due to the establishment of historical and cultural information system based on Web GIS of Youngsan River area are as follows: First, the study can contribute to verify a road map of the study on Youngsan River area. Second, it will take a role to stimulate the academical research on the dynamic structure and characteristics of the Youngsan River area. Third, we can also expect an effect of gaining a full foothold in providing an electronic academic source specialized for the study of the historical and cultural map.
Advertising and PR industries recently face a new challenge due to the growth of new digital content market and the change of paradigm. In the market of ICT (Information and Communication Technology) and digital contents, a stereographic content related to the technology such as VR (Virtual Reality) is one of the fast-growing fields. However, it is hard to find the clear answer for AD/PR strategies in the rapidly changing VR contents market. Therefore, this study analyzed VR industry at the macro level using in-depth interviews with eleven VR experts leading Korean VR contents industry by looking at P(Political), E(Economic), S(social), and T(Technological) of VR advertisement and PR industries. Moreover, the feasibility of VR contents in Advertising and PR industries was examined through S(Strengths), W(Weakness), O(Opportunities), and T(Threats) analysis in VR industry. Research result showed that it is necessary for vitalizing VR in AD/PR industries to promote killer contents, to solve problems of inconvenience according to users' needs, to improve awareness of customers and industries. Moreover, constant VR vitalizing policies in AD/PR should be processed as well as constructing medium-and long-term VR road-map. Thus, this study provides the direction of VR content strategy in Advertising and PR industries and the research foundation for further researches regarding future VR activation.
Jo, Jung-Hyun;Lee, Woo-Kyoung;Choe, Nam-Mi;Baek, Jeong-Ho
Journal of Satellite, Information and Communications
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v.7
no.1
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pp.108-115
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2012
Many studies relating the satellite navigation has been done by a relatively small research community in Korea. Most of domestic research has been focused on the application of the satellite navigation technology, but recently the topics of the next generation satellite navigation system are emphasized for its importance. Even opinions suggesting a future Korea's own satellite navigation system are not that uncommon. Due to the geographic, economic, and technological reasons, it is not widely discussed yet. However, a development technical roadmap regarding the Korea's own navigation satellite was established on the Korea Space Development Plan in general term. Currently four global navigation satellite systems are operating or being deployed. Several regional navigation satellite systems are in planning and development phase. Particularly in Asia, China has launched several satellites to complete their own global navigation satellite system, COMPASS until 2020. Japan launched one satellite and has planned to launch rest of set until 2013. It is proper time to develop Korea's own navigation satellite system to acquire the domestic space development technology and the security of navigational infrastructure. In this study, the validity or the feasibility of the Korea's own satellite navigation system is not discussed; rather the possibility and suitability of the additional information to the current operational navigation message is main target. For the first payload of the future Korea's satellite navigation satellite, a regional augmented system is more likely. This study also is focused on that aspect.
Science and technology(S&T) are not only advancing, but also the number of stakeholders in those fields are increasing, and so the demands of S&T strategy for a particular field are increasing. In Korea, especially, this tendency is remarkable, and is evidenced by the fact that more than one hundred of S&T strategies have been established and implemented. However, academic attempts to clarify scientific methodologies for establishing S&T strategy have so far been rare. In this paper, a methodology to establish S&T strategies in a particular field is proposed and examined through a case study to determine its usefulness. First, through an analysis of the literature, previous studies on the establishment of a national S&T strategy and its related concepts are reviewed. Also, a representative framework plans, in accordance with relevant legislation and regulations, are reviewed. Meanwhile, the methodology, PEST-SWOT-AHP, is proposed and the features and applications are identified. For the case study, the strategy establishment of a fusion research and development program is performed. In order to apply the PEST-SWOT-AHP tool, an environmental analysis based on the fusion R&D roadmap is conducted. To examine the usefulness of the proposed framework, a national fusion R&D strategy applying PEST-SWOT-AHP is derived. As a result of the case study, four strategies were derived. Those are be the first mover, promotion of basic research and cultivation of manpower, boost commercialization and public acceptance and reinforcing international cooperation.
Journal of the Korea Academia-Industrial cooperation Society
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v.17
no.10
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pp.131-138
/
2016
This study reviewed the status of domestic and foreign Architectural Information Systems and related laws, analyzed the state of the architectural service industry, and proposed the phased introduction of BIM into Architectural Information Systems. The adoption of BIM in Architectural Information Systems both at home and abroad is generally at an unsatisfactory level, with only Singapore assuming a leading role in this area through activities such as the provision of a separate BIM submission service. Since it is desirable for BIM to be applied to additional types of architecture when the architectural licensing procedure is introduced, the different phases of adoption were set after analyzing the scales and types of architecture as defined in related laws. By analyzing the participation rates of architectural design firms in each scale of architecture design, the results demonstrated that, as the number of floors and total floor area in the building increases, the proportion of small scale architectural design firms involved decreases, while that of large-scale architectural design firms increases. The adoption of BIM is occurring mostly within large-scale architectural design firms, which is why it is desirable for its introduction into Architectural Information Systems to be separated into phases from large-scale buildings to increasingly small-scale architecture. In conclusion, this study divided the adoption of BIM in Architectural Information Systems into 6 stages and, following the Architectural administration procedure, established a segmented road map for the gradual activation of BIM.
KIPS Transactions on Computer and Communication Systems
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v.6
no.8
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pp.359-368
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2017
What is the term "intelligence information society", which is a term that has been continuously discussed recently? This means that the automation beyond the limits of human ability in the whole societies based on intelligent information technology is a universalized social future. In particular, it is a concept that minimizes human intervention and continuously pursues evolution to data (or big data) -based automation. For example, autonomous automation is constantly aiming at unmanned vehicles with artificial intelligence as a key element. However, until now, intelligent information research has focused on the intelligence itself and has made an effort to improve intelligence logic and replace human brain and intelligence. On the other hand, in order to replace the human labor force, we have continued to make efforts to replace workers with robots by analyzing the working principles of workers and developing optimized simple logic. This study proposes important strategies and directions to implement intelligent information education policy and intelligent information technology research strategy by suggesting access strategy, education method and detailed policy road map for intelligent information technology research strategy and educational service. In particular, we propose a phased approach to intelligent information education such as basic intelligence education, intelligent content education, and intelligent application education. In addition, we propose education policy plan for the improvement of intelligent information technology, intelligent education contents, and intelligent education system as an important factor for success and failure of the 4th industrial revolution, which is centered on intelligence and automation.
GEO-KOMPSAT-2A (GK2A) AMI (Advanced Meteorological Imager) Best Detector Select (BDS) map is pre-determined and uploaded before the satellite launch. After the launch, there is some possibility of a detector performance change driven by an abrupt temperature variation and thus the status of BDS map needs to be evaluated and updated if necessary. To investigate performance of entire elements of the detectors, AMI BDS analyses were conducted based on a technical note provided from the AMI vendor (L3HARRIS). The concept of the BDS analysis is to investigate the stability of signals from detectors while they are staring at targets (deep space and internal calibration target). For this purpose, Long Time Series (LTS) and Output Voltage vs. Bias Voltage (V-V) methods are used. The LTS for 30 secs and the V-V for two secs are spanned respectively for looking at the targets to compute noise components of detectors. To get the necessary data sets, these activities were conducted during the In-Orbit Test (IOT) period since a normal operation of AMI is stopped and special mission plans are commanded. With collected data sets during the GK2A IOT, AMI BDS map was intensively examined. It was found that about 1% of entire detector elements, which were evaluated at the ground test, showed characteristic changes and those degraded elements are replaced by alternative best ones. The stripping effects on AMI raw images due to the BDS problem were clearly removed when the new BDS map was applied.
Journal of the Korea Academia-Industrial cooperation Society
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v.20
no.2
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pp.43-50
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2019
Block-chain enjoys technical advantages such as "robust security," owing to the structural characteristic that forgery is impossible, decentralization through sharing the ledger between participants, and the hyper-connectivity connecting Internet of Things, robots, and Artificial Intelligence. As a result, public organizations have highly positive attitudes toward the adoption of technology using block-chain, and the design of university information services is no exception. Universities are also considering the application of block-chain technology to foundations that implement various information services within a university. Through case studies of block-chain applications across various industries, this study designs an empirical model of an integrated information service platform that integrates information systems in a university. A basic road map of university information services is constructed based on block-chain technology, from planning to the actual service design stage. Furthermore, an actual empirical model of an integrated information service in a university is designed based on block-chain by applying this framework.
The objective of this paper is to suggest plans to properly establish and promote the use of hospice music therapy by examining its necessity and how it is being used in Korea. Hospice music therapy is a clinical and evidence-based use of music interventions administered by a professional to alleviate total pains suffered by hospice patients and their families. While the effects of hospice music therapy have been reported by many studies, its meaning and value are still poorly understood in Korea, which explains the lack of related institutions in the nation. Recently policy-wise and legislative efforts have been made to promote hospice and palliative care, which in turn will likely fuel demand for hospice music therapy. Therefore, the meaning and role of hospice music therapy should be defined by major hospice and palliative care institutions and societies, followed by institutional and academic efforts as follows. First, a set of qualification criteria for hospice music therapists should be established to provide proven music therapy interventions to patients and their families. Second, a systematic program offering both theoretical and practical trainings needs to be developed to foster hospice music therapists. Last but not least, clinical studies should be promoted with development of a research road map for hospice music therapy and a standard protocol.
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