• Journal of Computational Design and Engineering
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• v.2 no.1
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• pp.26-37
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• 2015

A lot of researchers have been investigating interactive portable projection systems such as a mini-projector. In addition, in exhibition halls and museums, there is a trend toward using interactive projection systems to make viewing more exciting and impressive. They can also be applied in the field of art, for example, in creating shadow plays. The key idea of the interactive portable projection systems is to recognize the user's gesture in real-time. In this paper, a vision-based shadow gesture recognition method is proposed for interactive projection systems. The gesture recognition method is based on the screen image obtained by a single web camera. The method separates only the shadow area by combining the binary image with an input image using a learning algorithm that isolates the background from the input image. The region of interest is recognized with labeling the shadow of separated regions, and then hand shadows are isolated using the defect, convex hull, and moment of each region. To distinguish hand gestures, Hu's invariant moment method is used. An optical flow algorithm is used for tracking the fingertip. Using this method, a few interactive applications are developed, which are presented in this paper.

• Journal of the Korea Institute of Building Construction
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• v.9 no.1
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• pp.95-101
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• 2009

Although the concept of RTLS is very unfamiliar to construction industry, recently it is popular in other industry, such as logistics, ship building, mobile telecommunication based on state-of-the-art information technology. Effective resource management using cutting-edge information technology makes it possible to succeed a project with saving the time and cost. And effective information management in construction project can be achieved by the new technologies such as RFID, WEB-based internet, DB technology, real-time monitoring technology, etc. This paper suggest the characteristics and applicability of the international standard electric waves to be used for the real-time locating system (RTLS) on the viewpoint of transmission loss in construction field to monitor and manage resources of construction project effectively The two types of electric waves based on the international standard is to be suggested after surveying the as-is technology in the related industries and then is analyzed to find out the characteristics of those by the concept of the electric wave transition loss in the several construction situations. Two main electric waves, the 2.4GHz and the 433MHz technologies as the international standard is researched on the applicability to the indoor environment of construction site.

• ETRI Journal
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• v.39 no.3
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• pp.406-416
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• 2017

Malware propagated via the World Wide Web is one of the most dangerous tools in the realm of cyber-attacks. Its methodologies are effective, relatively easy to use, and are developing constantly in an unexpected manner. As a result, rapidly detecting malware propagation websites from a myriad of webpages is a difficult task. In this paper, we present LoGos, an automated high-interaction dynamic analyzer optimized for a browser-based Windows virtual machine environment. LoGos utilizes Internet Explorer injection and API hooks, and scrutinizes malicious behaviors such as new network connections, unused open ports, registry modifications, and file creation. Based on the obtained results, LoGos can determine the maliciousness level. This model forms a very lightweight system. Thus, it is approximately 10 to 18 times faster than systems proposed in previous work. In addition, it provides high detection rates that are equal to those of state-of-the-art tools. LoGos is a closed tool that can detect an extensive array of malicious webpages. We prove the efficiency and effectiveness of the tool by analyzing almost 0.36 M domains and 3.2 M webpages on a daily basis.

• Journal of the Korean Society of Costume
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• v.59 no.1
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• pp.29-46
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• 2009

Aiming at finding symbolistic meanings and characteristics of makeup in Chinese Beijing Opera("BO"), this study formulated a theoretical framework mainly from literature in the Symbolism and symbolistically analyzed materials related to BO makeup from literature, internet web pages and illustrated news concerning performing arts. Main objects to analyze are the characteristics of four main roles in BO and the patterns, symbols, ornaments and traditions of Beijing Opera facial makeup("BOFM"). Four main roles are Sheng, Tan, Ching and Chou, categorized by gender, age, social position and personality. The result to analyze symbolistic meanings and characteristics of makeups for the roles in BO are as follows: the patterns and colors of BOFM function as explanations to help audiences understand each role's personality and dramatic situations as well as provide hints about the development and ending of an opera: that is, BO makeup is a communicative intermediary between audiences and actors in BO. It tends to follow the stereotypes, which conventionally dress and exaggerate the characters of roles, and copy the traditional Chinese perception about colors. Thus, by the metaphysical and typical expression of BOFM, Chinese people have not been pursuing the realism in opera but applying BO makeup to a mutual communication method between audiences and performing artists as to share their collective cultural heritages and spirits. Threfore, BO makeup has been an interacting language between the two entities and grown within the history of BO as a beauty art to highlight a BO by its unique systems, ornaments and beauty.

• Proceedings of the Technology Innovation Conference
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• 1999.12a
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• pp.296-327
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• 1999

Nowadays, there is a huge need of an extensive study to understand features and behavior modes of consumers who have an indefinite potential of purchase and to make EC a bullish market, Recently, the flow construct has been proposed as important for understanding consumer behavior on the cyber space. The purpose of this study is threefold. To investigate (1) the effect of the flow experience when navigating Internet shopping-mall sites and Internet on purchase intention and relational factors of this (2) the difference in the flow experiences between during the time of navigating Internet and during the time of navigating Internet shopping-mall sites. (3) the difference in purchase intention and relational factors of this between an experiential flow and a purposeful flow. The results show that (1) increase of the purchase intention on EC (or relational factors of this) in proportion to the degree of cognition of users' flow experience (2) By the separate motive of searching Internet shopping-mall sites, the flow experiences during the time of navigating Internet lead to different results (3) Although the difference in the purchase intention on EC between subjects is nonsignificant, it suggests that we need to focus on the fact that the correlation between the purchase intention on EC and the purposeful flow experience on Internet shopping-mall sites is greater than any other correlation. In the end of this study, The theoretical and practical implications of the study, limitations of the study, and future research implications are discussed.

• The Journal of the Institute of Internet, Broadcasting and Communication
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• v.11 no.5
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• pp.193-201
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• 2011

This paper presents the holistic notion and model of an open social u-learning community, anchored with open content, providing an interactive online study group experience akin to sitting with study buddies on a world-wide campus quad. The interactive social u-learning community design helps conceptualize and maximize advantages of ubiquitous environment in learning. The model is enabled by state-of-the-art web technologies; real-time collaboration technologies for a highly interactive experience; intelligent recommender systems to help learners connect with relevant content and other learners; and mining and analytics to assess learner outcomes. Hence, u-learning design is highly scalable yet interactive and engaging.

• Journal of Platform Technology
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• v.6 no.1
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• pp.24-30
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• 2018

LMT consisting of 10 landscape elements is one of psychology diagnosis method for inspecting the psychological state of client. In this paper, we make knowledge base accumulating knowledge about LMT landscape elements. By using this knowledge base, we also propose and implement LMT diagnosis assistance system generating LMT inspection report being a result of diagnosis. This proposed system generates diagnosis report based on LMT knowledge base which accumulate knowledge from plenty of reference and research project, that's why we improve the objectivity of diagnosis results. And new knowledge about LMT can be accumulated in knowledge base, so the system proposed in this paper can be extensible continuously. The implementation of system proposed in this paper offers web-based services. To show effectiveness of the system, we diagnose the actual case by using the system, and show the diagnosis result.

• Journal of the Korean Society of Costume
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• v.63 no.4
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• pp.101-117
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• 2013

The purpose of this study is to consider the works of Nick Knight, the most influential fashion visual maker, to find out the characteristics of his works. For the research method, literature reviews were done by studying his book, viewing the articles on his official web site, reading journal review of his works and his interview articles. For the work analysis, fashion brands 'Christian Dior', 'Alexander McQueen', 'Martin Margiela', 'Hussein Chalayan' and 'Gareth Pugh' that have worked with Nick Knight were selected. The characteristics of his fashion works were derived from overall analysis of fashion visual works. The characteristics of Nick Knight's works are as follows. First is the 'innovation of image expression'. He used digital infra in advance and introduced digital images at the initial stage. He used fashion films as the means of communication and tried new image expressions in 3D. Second is 'breaking down the boundaries of creating process'. He worked with various field experts to make high quality works. He invited the public to participate in his creative process through the internet. Third is 'breaking down the categories of aesthetic expression'. He provided a wide variety of aesthetic standard and refused aesthetic stereotype. He broke the boundaries between fashion and art with a unique technique and high values.

• Journal of Digital Contents Society
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• v.6 no.3
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• pp.143-147
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• 2005

In this paper, we developed X-internet framework based on Flash and API for this framework. Proposed X-internet framework based on Flash enables to obtain design with dynamic user interface compare to web application and enables to reduce development time. Since this framework use the API that we developed in this study art flash player, this framework does not need server module. In analytical results, it has been shown that proposed x-internet framework have efficient characteristics such as network traffic, low development cost and dynamic user interface implementation. Since this X-internet framework can operate in environment of current developer friendly, it is useful for development of various new application programs.

• Journal of the Korea Society of Computer and Information
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• v.19 no.2
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• pp.125-132
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• 2014

In this paper, we present marker-less fingertip and brush tracking system with inexpensive web camera. Parallel computation using CUDA is applied to the tracking system. This tracking system can run on inexpensive environment such as a laptop or a desktop and support for real-time application. We also present realistic water-based sign pen drawing model and implementation. The realistic drawing application with our inexpensive real-time fingertip and brush tracking system shows us the art class of the future. The realistic drawing application, along with our inexpensive real-time fingertip and brush tracking system, would be utilized in test-bed for the future high-technology education environment.