• 한국HCI학회:학술대회논문집
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• 2008.02a
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• pp.481-486
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• 2008

Recent advanced interlace technologies allow the user to interact with different spaces such as Virtual Reality (VR), Augmented Reality (AR) and Ubiquitous Computing (UC) spaces. Here, we present a LEGO House application, a collaborative application which involves multi interaction spaces -VR, AR and UC spaces. The LEGO House application is built based on the VARU framework which is designed for enabling the prototyping of a tangible space application. The application is about an interior design. One user is located in the combined AR and UC space and interacts with the AR LEGO house and the physical smart devices. The other users interact with the virtual LEGO house but they share the same environment, the LEGO house. Therefore, they can collaborate together as they are co-located.

• Journal of KIISE:Computing Practices and Letters
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• v.16 no.12
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• pp.1249-1253
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• 2010

As personal computers have been recently improved in performance, the multi tasking of running several applications at the same time has been generalized. Since only one task space is provided for performing such tasks on Windows operating system, a number of computer users feel inconvenient. In this paper, we propose a 3D Virtual Desktop System which can show a process of switching task spaces in 3D motion using DirectX. The proposed system can provide a computer user with more task spaces and the intuitive UI(User Interlace) such as Compiz of Linux.

• Journal of the Korean Institute of Telematics and Electronics
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• v.22 no.5
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• pp.24-28
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• 1985

In this paper, the cyclic product codes which are capable of correcting random erros and burst errors simultaneously have been designed and constructed. First, the procedure for product of two cyclic codes is shown and thin the encoder and decoder system using the (7,4) cyclic Hamming code and the (3,1) cyclic code is implemented. The micro-computer is used for experiment and the system consists of encoder, decoder and interface circuits. The encoder of cyclic product code is implemented by interlacing encoders while the decoder is implemented by cascading decoders that interlace error trapping decoders. In conclusion, cyclic product codas are easily decodable and are capable of correcting four random errors and eight-burst errors. Better performance is obtained with low error rate.

• Archives of design research
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• v.19 no.1 s.63
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• pp.15-26
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• 2006

As the interest and use of computer have been increased among elderly users according to the entry to the aging society, the issue of universal design for computer usability was brought forward. Especially, it is widely recognized that universal UI(User Interlace) design on MS windows is important. The objective of this study is to conceptualize Universal GUI design on MS windows which can be used more easily and intuitively by novice users such as elderly and housewives. Especially, the solution for Universal GUI design on MS windows was developed by reflecting elderly users' needs because elderly users is the group with more difficulties than other user groups in learning and using MS windows. First, elderly user's needs was collected by participant observation as a teaching assistant in computer dass for elderly people for 4 weeks. Secondly, the experimental test and in-depth interview was implemented to find difficulties factors and needs in addition to participant observation. Based on the findings, the new GUI design solution was suggested. The design solution consists of ideas in several categories such as setting default, simplification of function for easy conceptual model making, customization of function and working environment, and intuitive GUI in interaction process. The new MS windows GUI design can be accessed by novice mode when user login in window XP. This study has the significance in finding elderly users detailed needs through in-depth and long term participant observation. However, the usability of the suggested prototype needs to be verified to various user groups besides elderly users in the future.

• 한국HCI학회:학술대회논문집
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• 2008.02b
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• pp.334-339
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• 2008

요즈음 각종 미디어를 통해 '디지로그' 라는 신조어가 주목 받고 있다. 디지로그의 핵심은 디지털 기반의 이분법적인 사고의 틀을 보완하기 위해 아날로그적인 감성의 도입을 의미한다. 이는 기능중심적인사고로 해결할 수 없는 인간과 컴퓨터의 간극을 새롭게 조명할 수 있는 기회를 제공함으로서 HCI 문제의 새로운 대안으로 떠오르고 있다. 기존 생활가전제품 인터페이스의 중요한 목적은 사용성, 유용성과 같은 기능적인 측면 이었다. 이는 제품자체의 목적을 그 기능에 국한하였기 때문이다. 하지만 현재 에어컨, 냉장고와 같은 생활 가전제품들의 위상은 기능을 넘어 집안의 인테리어의 요소로써의 역할 뿐만 아니라 자신을 대변 할 수 있는 혹은 과시하고 싶은 명품 이미지로써 점차 자리잡기 시작하였다. 또한 TFT Color LCD의 도입은 제품의 상태를 단순히 전달해 주는 단계를 벗어나 심미적인 표현까지 가능하게 해주었다. 이를 계기로 수채화 표현기법과 같은 아날로그 메타포를 활용한 감성적 인터페이스가 시도될 수 있었다. 아날로그 메다포를 활용한 디지털 가전 인터페이스의 첫 번째 단계는 스타일이다. 아날로그적인 스타일을 가장 대표적으로 보여주는 것은 바로 회화영역이다. 에어컨 공기청정기능의 프로그레시브 영역에 수채화로 표현된 산과 들을 보여줌으로서 인터페이스가 하나의 풍경화로서의 접근이 가능하게 된다. 이는 소비자들에게 정신적인 만족감과 더불어 제품의 프리미엄의 이미지를 각인시킨다. 두 번째 단계는 스토리이다. 기능을 디지털의 On/Off에 의거하여 나열 하기보다 기능과 기능사이의 문맥을 스토리로 연결함으로서 아날로그적인 접근이 가능하다. 이러한 스토리의 기준은 사용자의 경험에 기인하여 만들어지게 된다. 마지막으로 활용할 수 있는 단계는 컨텐츠이다. 이제는 한가지로 집중된 기능만으로는 사용자를 만족 시킬 수 없다. 사용자에게 인간적인 체온이 느껴지는 아날로그적인 컨텐츠를 제공함으로서 인터페이스 자체로 감동을 줄 수 있게 된다. 이와 같은 변화는 디지털제품의 궁극적인 목표가 사용자에게 있다는 것을 다시 한번 확인시켜준다. 이제는 똑똑하고 편리한 인터페이스를 넘어 사용자체가 감성적 만족감을 주는 매력적인 인터페이스로 진화 하고 있는 것이다.

• The KIPS Transactions:PartD
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• v.12D no.4 s.100
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• pp.531-542
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• 2005

In this paper, we propose the MDBMS(Multi-DataBase Management System) which integrates the LDBMSs(Local DataBase Systems) with heterogeneous environment into distributed system and provides global users with rapidly query process. For designing the MDBMS, we define the functions of components and design the interaction among them. In a point of view of the global view manager in components, we describe the following 3 cases; (1)the case which the results for the global query are all stored to the global view repository, (2)the case which no result exists in the global view repository, and (3)the case which the partial results we stored to the global view repository. By comparing above cases, we establish the functionalities of our MDBMS through the sequence diagram including the interlace of among objects and the method calling. Finally, we propose the model designed in the concrete by showing the executing procedures of each function using sample query on established functions mentioned above.

• Journal of the Institute of Electronics Engineers of Korea SD
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• v.46 no.1
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• pp.76-84
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• 2009

This paper proposes a SOC platform which is eligible for education and application SOC design. The platform, fully synthesizable and reconfigurable, includes the OpenRISC embedded processor, some basic peripherals such as GPIO, UART, debug interlace, VGA controller and WISHBONE interconnect. The platform uses a set of development environment such as compiler, assembler, debugger and RTOS that is built for HW/SW system debugging and software development. Designed SOC, IPs and Testbenches are described in the Verilog HDL and verified using commercial logic simulator, GNU SW development tool kits and the FPGA. Finally, a multimedia SOC derived from the SOC platform is implemented to ASIC using the Magnachip cell library based on 0.18um 1-poly 6-metal technology.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2006.05a
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• pp.943-946
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• 2006

XML is the most widely used document format by advantage that self-contained for platform. So, currently the most used among other document format. but XML appeared new problem that memory and transmission. And that be used in environment a request restriction memory and fast transmission as like mobile field. Although discussion of XML binarization is going on progress. And fast Infoset configuration using XML Information Set is receiving attention that a way to lower file size of hold down a existing usage. In this paper, we designed of module using fast Infoset and PER among ASN.1 Encoding Rule for XML binarization. And we implementation of encoder constructed interlace by stage of translation from XML into binary XML.

• The KIPS Transactions:PartA
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• v.8A no.4
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• pp.287-292
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• 2001

Multimedia service systems should have efficient capacity to serve the growing clients and new data. In the general streaming services, users can endure the small amount of time delay at the beginning of service. But they want to have good quality of service. A streaming server tries to transfer video files to clients from a repository of files in real time. The server must guarantee concurrent and uninterrupted delivery of each video stream requested from clients. To achieve its purpose, many stream servers adopt multi-processors, sufficient memory, and RAID or SAN in their systems. In this paper, we propose a Linux-based parallel media streaming server. It is superior to the other systems in the storing structure, fault-tolerance, and service capacity. Since this system supports the web interlace, users can operate easily through the www. This system uses unique striping policy to distribute multimedia files into the parallel storage nodes. If a service request occurs, each storage node transmits striped files concurrently to the client. Its performance is better than the single media streaming service because of the parallel architecture.

• Korean Journal of Remote Sensing
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• v.18 no.1
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• pp.53-59
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• 2002

The MSC is a payload on the KOMPSAT-2 satellite to perform the earth remote sensing. The instrument images the earth using a push-broom motion with a swath width of 15 km and a GSD(Ground Sample Distance) of 1 m over the entire FOV(Field Of View) at altitude 685 km. The instrument is designed to haute an on-orbit operation duty cycle of 20% over the mission lifetime of 3 years with the functions of programmable gain/offset and on-board image data compression/storage. The MSC instrument has one channel for panchromatic imaging and four channel for multi-spectral imaging covering the spectral range from 450nm to 900nm using TDI(Time Belayed Integration) CCD(Charge Coupled Device) FPA(Focal Plane Assembly). The MSC hardware consists of three subsystem, EOS(Electro Optic camera Subsystem), PMU(Payload Management Unit) and PDTS(Payload Data Transmission Subsystem) and each subsystems are currently under development and will be integrated and verified through functional and space environment tests. Final verified MSC will be delivered to spacecraft bus for AIT(Assembly, Integration and Test) and then COMSAT-2 satellite will be launched after verification process through IST(Integrated Satellite Test). In this paper, the introduction of MSC, the configuration of MSC electronics including electrical interlace and design of CEU(Camera Electronic Unit) in EOS are described. MSC Operation parameters induced from the operation concept are discussed and analyzed to find the influence of system for on-orbit operation in future.