• The KIPS Transactions:PartB
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• v.12B no.6 s.102
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• pp.685-690
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• 2005

Recently, studies for effective multimedia data delivery have been widely performed. Among those researches, internet broadcasting is a technology to transmit various multimedia contents to variety of costumers on the internet simultaneously. To deliver large scale multimedia data such as internet broadcasting, efficient data delivery method is required. Therefore, technologies based on the overlay multicast of application larger multicast application are actively studied as an alternative for multicast overcoming shortcoming of uni-cast based technologies, which we one to one transmission methods. In this paper, we classify and study on the overlay multicasting for internet broadcasting, which can be implemented by application programs without modification in physical layer of the internet.

• Journal of Korea Multimedia Society
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• v.25 no.7
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• pp.953-963
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• 2022

We suggest the development of a mobile muscular savings account application as a more effective and consistent strategy to avoid sarcopenia, one of the elderly diseases, based on the researcher's experience conducting a handwritten 'muscle saving account' in the S city of the metropolitan area. The analysis of currently existent healthcare-related applications shows that muscle strength improvement and maintenance applications are needed to improve easy use and access without burden for elderly users because there are many functions, and it can be difficult for the elderly to use the application. A survey of participants who used handwritten 'muscle savings accounts' was conducted before the design development to measure user satisfaction. Based on this, the suggested application's design is similar to the handwritten type, functionalities are modified for easy usage by the elderly, and information is intuitively comprehended and presented properly using color contrast and Sans serif font. We plan to conduct a survey of the elderly who did not participate in the project as part of follow-up research, and afterward continue the research on the development of customized applications optimized for the prevention of sarcopenia in the elderly for muscle strength improvement and maintenance based on the results.

• Proceedings of the Korea Multimedia Society Conference
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• 1998.10a
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• pp.327-332
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• 1998

본 논문에서는 인터넷의 급속한 성장과 그 기술에 따라 파생된 인트라넷에 대한 요구 사항과 내용을 기술하였고 앞으로 웹 기반의 클라이언트/서버로 발전해 나가게 될 인트라넷에 대한 발전 방향에 대해 기술하였다.

• Proceedings of the Korea Multimedia Society Conference
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• 2012.05a
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• pp.180-180
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• 2012

• Korean Journal of Computational Design and Engineering
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• v.18 no.6
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• pp.451-460
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• 2013

This paper presents the necessary elements and data flow in developing a monitoring system of energy usage for apartment houses with a Smart TV. Energy consumption data in each home are collected and analyzed in the HUB station by way of measuring instruments. And the amount of energy usage, such as electricity, gas, hot water, heating, water and other utilities are displayed through the Smart TV application. Energy consumption Database in the HUB station are processed and displayed in the browser of a Smart TV through XML, JAVASCRIPT and Flash. Smart TV users can get the energy consumption status through the energy consumption analysis display of the Smart TV application and improve the energy efficiency by comparing the usage patterns with neighboring houses. And the application display energy usage information, consumption ranking, rates to user as well. Furthermore, usage of last month or year can be compared to help to reduce the energy usage. The proposed system can provide the information about the amount of energy use to be reduced and the warning on the waste of energy.

• Journal of Multimedia Information System
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• v.7 no.2
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• pp.107-114
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• 2020

This paper proposes a wearable audio book application using two wearable devices, a smartwatch and a hearables. We review requirements of what could be a killer wearable application and design our application based on these elicited requirements. To distinguish our application, we present 7 scenarios and introduce several wearable interaction modalities. To show feasibility of our approach, we design and implement our proof-of-concept prototype on Android emulator as well as on a commercial smartwatch. We thoroughly address how different interaction modalities are designed and implemented in the Android platform. Lastly, we show latency of the multi-modal and alternative interaction modalities that can be gracefully handled in wearable audio application use cases.

• Journal of Multimedia Information System
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• v.8 no.4
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• pp.243-250
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• 2021

Instructional contents are used to demonstrate a technical process to teach and walkthrough certain procedures to carry out a task. This type of informational content is widely used for teaching and lectures in form of tutorial videos and training videos. Since there are questions and uncertainties for what could be the killer application for the novel wearables, we propose a self-instruction training application on a smart glass to utilize already-available instruction videos as well as public open data in creative ways. We design and implement a prototype application to help users train by wearing smart glasses specifically designed for two concrete and hand-constrained use cases where the user's hands need to be free to operate. To increase the efficiency and feasibility of the self-instruction training, we contribute to the development of a wearable killer application by integrating a voice-based user interface using speech recognizer, public open data APIs, and timestamp-based procedural content navigation structure into our proof-of-concept application.

• Journal of the Institute of Electronics Engineers of Korea SD
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• v.41 no.5
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• pp.71-80
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• 2004

This paper describes embedded processor architecture design which is applicable to multimedia in mobile platform The main description is based on basic processor architecture and consideration about energy efficiency when used in mobile platform To design processor data path architecture (pipeline, branch prediction, multiple issue superscalar, function unit number) which is optimal to multimedia application and cache hierarchy and its structure, we have nut the simulation with variant architecture using MPEG4 test bench as multimedia application. We analyzed energy efficiency of architecture to check if it is applicable to mobile platform and decide basic processor architecture based on analysis result. The suggested basic processor architecture not only can be applied to mobile platform but also can be applied to basic processor architecture of configurable processor which is designed through automatic design environment.

• Journal of Korea Multimedia Society
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• v.10 no.3
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• pp.325-334
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• 2007

In order to increase the promotion of multimedia processing techniques in MPEG standard, MPEG Multimedia Middleware (M3W) which supports middleware interface for multimedia processing is set up. In this paper, multimedia protection and management service interfaces based on MPEG Multimedia Middleware (M3W) are introduced. The service interfaces are based on component models of M3W and support normative IPMP messages. The proposed interfaces are composed of Tool interfaces and Trust management interfaces: Tool interfaces provide the functionality supporting terminal and tool based on the governed decoder model and Trust management interfaces provide the supporting functionality such as license managing and authentication required in DRM devices. As an application of the proposed interfaces, a JAVA based player simulator is shown. The proposed interfaces can be easily implemented under various device and application environments as an ISO/IEC 23004-2 standard middleware platform.

• The Transactions of the Korea Information Processing Society
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• v.2 no.5
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• pp.797-806
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• 1995

The Client-Server model is a computing technique that efficiently uses distributed resources via networks. But, generating an application using Client- Server model requires many different expertises to developers in comparison to that of using the centralized computing method. That is, and application developer must be familiar with network programming and GUI(Graphical User Interface) techniques in addition to conventional programming skills. Accordingly, the time and man power have been issued for building a Client-Server system. To alleviate these problem, the Client-Server applications development tools are needed To meet such a need, we developed a GUI based tool, called Hanuri/C, for generating Client-Server application programs. In comparison to existing Client-Server tools, Hanuri/C is reinforced Multimedia facilities, Hanuri/C is reinforced Multimedia facilities. Hanuri/C is considered as a front-end part of distributed system software. That is, Hanuri/C is a Client-Server tool similar to Forth Generation Language(4GL) supporting multimedia application on top of the Distributed Computing environment(DCE). In this paper, we present the design and implementation method of the middleware part of Hanuri/c.