• Journal of Music and Human Behavior
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• v.5 no.1
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• pp.67-90
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• 2008

This case used MI techniques that give an imagery experience to depressed client's mental resource, and that makes in to verbalism. Also those images are supportive level therapy examples that apply to positive variation. MI is simple word of 'Music and Imagery' with one of psychology cure called GIM(Guided Imagery and Music). It makes client can through to the inner world and search, confront, discern and solve with suitable music. Supportive Level MI is only used from safety level music. Introduction of private session can associate specification feeling, subject, word or image. And those images are guide to positive experience. The First session step of MI program is a prelude that makes concrete goal like first interview. The Second step is a transition that can concretely express about client's story. The third step is induction and music listening. And it helps to associate imagery more easily by used tension relaxation. Also it can search and associate about various imagery from the music. The last step is process that process drawing imagery, talking about personal imagery experience in common with therapist that bring the power by expansion the positive experience. Client A case targets rapport forming(empathy, understanding and support), searching positive recourse(child hood, family), client's emotion and positive support. Music must be used simple tone, repetition melody, steady rhythm and organized by harmony music of what therapist and client's preference. The client used defense mechanism and couldn't control emotion by depression in 1 & 2 sessions. But the result was client A could experience about support and understanding after 3 sessions. After session 4 the client had stable, changed to positive emotion from the negative emotion and found her spontaneous. Therefore, at the session 6, the client recognized that she will have step of positive time at the future. About client B, she established rapport forming(empathy, understanding and support) and searching issues and positive recognition(child hood, family), expression and insight(present, future). The music was comfortable, organizational at the session 1 & 2, but after session 3, its development was getting bigger and the main melody changed variation with high and low of tune. Also it used the classic and romantic music. The client avoids bad personal relations to religious relationship. But at the session 1 & 2, client had supportive experience and empathy because of her favorite, supportive music. After session 3, client B recognized and face to face the present issue. But she had avoidance and face to face of ambivalence. The client B had a experience about emotion change according depression and face to face client's issues After session 4. At the session 5 & 6, client tried to have will power of healthy life and fairly attitude, train mental power and solution attitude in the future. On this wise, MI program had actuality and clients' issues solution more than GIM program. MI can solute the issue by client's based issue without approach to unconsciousness like GIM. Especially it can use variety music and listening time is shorter than GIM and structuralize. Also can express client's emotion very well. So it can use corrective and complement MI program to children, adolescent and adult.

• Proceedings of the Korea Contents Association Conference
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• 2007.11a
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• pp.889-893
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• 2007

Now various research apply Fractal and chaos theory for natural expression of the fog on the fluid that the present this studies use special tools applicable are possible expression such as nature. But, ordinary peoples these works are much difficult yet easy to express, because require high prices and high professionals. Therefore, it is general assignments that everybody need easily expression of fog from high price special tools and professional programming reduction of complication difficult. Embodying this 2D image study made easily various image expression to be possible until UCC, individual from professional broadcasting. Specially, This study can use easily background fog expression when need to image expression such as Korean traditional pictures 3D because of possible expression of fog fluid effect in 3D space.

• Journal of the Korean Institute of Intelligent Systems
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• v.15 no.4
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• pp.400-405
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• 2005

This paper analyzes the performance of a face recognition algorithm using the eigenfaces method. In the absence of robust personal recognition schemes, a biometric recognition system has essentially researched to improve their shortcomings. A face recognition system in biometries is widely researched in the field of computer vision and pattern recognition, since it is possible to comprehend intuitively our faces. The proposed system projects facial images onto a feature space that effectively expresses the significant variations among known facial images. The significant features are known as 'eigenfaces', because they are the eigenvectors(principal components) of the set of faces. The projection operation characterizes an individual face by a weighted sum of the eigenface features, and to recognize a particular face it is necessary only to compare these weights to those of known individuals. In order to analyze the performance of the system, we develop a face recognition system by using Harvard database in Harvard Robotics Laboratory. We present the recognition rate according to variations on the lighting condition, numbers of the employed eigenfaces, and existence of a pre-processing step. Finally, we construct a rejection curve in order to investigate the practicability of the recognition method using the eigenfaces.

• Proceedings of the Korean Institute of Intelligent Systems Conference
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• 2004.10a
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• pp.85-89
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• 2004

최근 몇 년 동안 사람들의 고유한 생리적인 특징을 이용한 생체 인식은 새로운 학문으로서 연구 및 개발이 활발하게 진행되고 있다. Hand-Geometry는 생체 인식의 확인 그리고 취득의 편리 때문에 식별 그리고 확인을 위하여 사용되고 있다. 그러므로, 본 논문은 이러한 특징을 가지는 손의 기하학적인 Hand-Geometry 인식 시스템을 제안하고자 한다. 해부학적인 관점에서, 인간의 손은 길이, 폭, 두께, 기하학적인 모양, 손바닥의 모양, 그리고 손가락들의 기하학적인 모양까지 특성으로 나타내어 질 수 있다. 그러나 특징 데이터 가운데 사용자의 Hand-GeoMetry의 특징에 따라 길이 데이터가 변하는 것을 실험적으로 발견하였다. 따라서 이와 같은 가변적인 길이 데이터를 안정화시키기 위하여 본 논문에서는 길이 데이터의 기준점을 손톱 아래 점으로 정하고, GA를 적용하여 보다 안정된 특징점을 추출하였다. 본 논문에서 제안한 Hand-Geometry 인식 시스템은 성인 20명의 개인에 대해 100개의 측정 데이터에 기인한 확인 결과를 제시한다. 인식 과정은 320$\times$240의 이미지로 실험하였고 인식 과정의 결과는 95 %의 적중률과 0.020의 FAR로 나타났다.

• 한국HCI학회:학술대회논문집
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• 2007.02b
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• pp.458-463
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• 2007

인터랙티브 아트는 최신의 기술을 이용하여 관객에게 예술적 경험을 풍요롭게 하고 컴퓨터를 통해 관객과 작품이 상호소통 할 수 있도록 실감현실을 제공하는 예술표현 장르이다. 테크놀로지의 진보에 의해 생겨난 사회, 문화, 예술에서의 혁명은 인터랙티브의 영향으로 개인과 다른 주역들 사이의 관계방식을 뒤섞이게 한 커뮤니케이션의 혁명이었다. 본 논문에서는 현대예술의 중요한 표현 매체 수단인 컴퓨터를 매체로 비전 시스템을 활용하여 제작되고 있는 인터랙티브 아트를 구현하는 실시간 영상처리(Real-time Digital Processing)에 대하여 알아보며, 특히 PC카메라로 관객을 인식하여 관객을 작품 속으로 끌어들여 소통하게 하고, 관객의 감정과 생각들을 동요시켜 관객의 반응을 피드백(Feedback)할 수 있는 작품의 제작방법을 제시한다. 또한 이 연구는 실제로 작품을 제작하였고, 컴퓨터를 이용하여 제작된 인터랙티브 아트 작품들을 유비적으로 논구하여 컴퓨터로 생성되는 이미지의 가상현실 문제가 현대미술에 미치는 다각적인 영향에 대하여 논의한다.

• Proceedings of the Korea Information Processing Society Conference
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• 2005.11a
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• pp.921-924
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• 2005

지문인식 방법은 사람이 갖는 유일한 정보인 지문을 이용하여 문자 기반 인증 방법이 갖는 문제점을 해결할 수 있는 생체 인식 사용자 인증 방법이다. 많은 인식 방법들이 연구, 개발되었고 신뢰할 수 있는 인증 방법을 제공하기 위한 시도로 각종 방법들이 제안되고 또한 사용되고 있는데, 기존의 지문 인식 방법은 산술 연산과 수학적 접근을 주류로 하고 있기 때문에 부동 소수점 연산 프로세서(FPU)가 필요하다는 단점을 가지고 있다. 임베디드 시스템에서는 부동 소수점 연산 프로세서가 지원이 되지 않아 기존의 알고리즘들을 임베디드 시스템에 그대로 적용하기에는 문제가 있다. 따라서 본 논문에서는 이러한 단점을 극복하기 위해 기본적인 이미지 처리 및 특징점 추출 후, 수학적 연산을 최대한 배제한 알고리즘을 적용하여 인증을 수행하는 지문인식 방법을 제안한다.

• Proceedings of the Korean Information Science Society Conference
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• 2010.06b
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• pp.83-87
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• 2010

스마트폰의 대중화로 사용자들의 상위 욕구를 충족시켜주는 개인화된 서비스의 다양한 어플리케이션들은 사용자에게 편의를 제공하여 생활을 향상시킨다는 점을 하나의 전제로 하고 있으나, 이를 구성하는 주된 역할을 수행할 서비스들의 요구사항을 부합시키는 스마트폰 성능이 현 기술에 적응적으로 대응하기에는 한계가 있다. 기존 3D VWS는 온라인 의류 쇼핑몰을 위한 시스템으로 사용자에게 의류 착용후의 모습을 제공하여 쇼핑몰 업무의 효율성 및 의류반품비용의 절감과 더불어 쇼핑몰 이용자에게 만족을 주어, 전반적인 온라인 쇼핑몰 이익 상승을 기대할 수 있게 한다. 하지만 3D VWS는 초고속 인터넷환경과 고사양 컴퓨터에서 원활한 서비스가 가능하기 때문에 스마트폰 환경에 이를 수용하고 동작시키기 위해서는 극복해야 할 많은 문제점을 가지고 있다. 이러한 문제를 극복하기 위해서 본고에서는 2D 이미지 확대/축소를 통하여 사용자에게 의류 착용후의 모습을 간접적으로 제공하는 2D VWS를 이용하여 스마트폰 기반 VWS 연구의 초석을 다지는데 도움이 되고자 한다.

• The Journal of the Korea Contents Association
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• v.8 no.1
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• pp.318-327
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• 2008

With the advance of information technologies and the spread of Internet use, the volume of usable information is increasing explosively. A content recommendation system provides the services of filtering out information that users do not want and recommending useful information. Existing recommendation systems analyze the records and patterns of Web connection and information demanded by users through data mining techniques and provide contents from the service provider's viewpoint. Because it is hard to express information on the users' side such as users' preference and lifestyle, only limited services can be provided. The semantic Web technology can define meaningful relations among data so that information can be collected, processed and applied according to purpose for all objects including images and documents. The present study proposes a content recommendation search system that can update and reflect personalized profiles dynamically in semantic Web environment. A personalized profile is composed of Collector that contains the characteristics of the profile, Aggregator that collects profile data from various collectors, and Resolver that interprets profile collectors specific to profile characteristic. The personalized module helps the content recommendation server make regular synchronization with the personalized profile. Choosing music as a recommended content, we conduct an experience on whether the personalized profile delivers the content to the content recommendation server according to a service scenario and the server provides a recommendation list reflecting the user's preference and lifestyle.

• Journal of the Korea Institute of Information and Communication Engineering
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• v.7 no.2
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• pp.322-327
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• 2003

Based on dynamic muscle model to construct efficient face animation in this paper 30 face modelling techniques propose. Composed face muscle by faceline that connect 256 point and this point based on dynamic muscle model, and constructed wireframe because using this. After compose standard model who use wireframe, because using front side and side 2D picture, enforce texture mapping and created 3D individual face model. Used front side of characteristic points and side part for correct mapping, after make face that have texture coordinates using 2D coordinate of front side image and front side characteristic points, constructed face that have texture coordinates using 2D coordinate of side image and side characteristic points.

• Journal of the Korea Institute of Information and Communication Engineering
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• v.14 no.4
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• pp.841-848
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• 2010

A tiled display can present a high resolution image or real-sized 3D objects. It can be used fot effective collaboration by allowing multiple users to allocate their own spaces, which are used privately or shared with others. In this research, a collaborative viewer system, which allows manipulating 3D models, images and movie clips, was constructed on a distributed platform. This allows multiple users to manipulate different contents separately with various input devices. This paper describes an architecture and a prototype system built with the viewer.