• Proceedings of the KSRS Conference
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• 2005.10a
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• pp.470-473
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• 2005

This paper proposes a reconstruction method for the shape and color information of 3-dimensional buildings. The proposed method is range scanning by laser range finder and image coordinates' color information mapping to laser coordinate by a fixed CCD camera on laser range finder. And we make a 'Far-View' using high-resolution satellite image. The 'Far-View' is created that the height of building using DEM after contours of building extraction. The user select a region of 'Far View' and then, appear detailed 3D-reconstruction of building The outcomes apply to city plan, 3D-environment game and movie background etc.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2003.05a
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• pp.795-799
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• 2003

Computing and Networking technologies are rapidly developed. Currently, Internet environment can offer voice, multimedia data as well as real-time movie services. But, the number of hacking has increased very much and the damages become serious. In this paper, the change of hacking method and security paradigm is investigated. And, we study in existing network security systems including newly developed security systems. Finally, we describe development directions of network sorority system for next generation network environment.

• Proceedings of the KAIS Fall Conference
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• 2009.12a
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• pp.723-726
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• 2009

영화산업은 삶의 질을 향상시키고 있는 현대 사회의 시대적 반영에 부응하는 문화산업으로 많은 관심을 받고 있다. 이러한 영화산업에서 흥행의 성공여부는 영화산업의 발전과 결부되는 부분이라 매우 중요하게 인식하고 있다. 흥행을 좌우하는 지표에는 다양한 요소들이 존재하며 그 중에서 주연배우의 특징과 영화의 본질이 맞을 때 성공적인 영화라 평가할 수 있는 일부분의 지표라 할 수 있다. 따라서 본 논문에서는 한국 영화에서 대표적인 흥행 마술사라 불리우고 있는 여성 영화배우 4인에 대한 음성분석을 통해 영화의 성공에 미치는 요소들과의 상호 연관성을 분석하였다. 이를 위해 대표적 여성 영화배우인 김혜수, 엄정화, 전도연, 문소리의 음성 분석을 통해 이들이 주연으로 출연한 영화의 흥행과 상관관계를 분석하였다.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2018.05a
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• pp.291-292
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• 2018

The purpose of this study is to examine the sensitivity of the audience to the background of the building where Chinese historical film 'Hero' is used. In this study, the sensitive vocabulary suitable for the building background was derived through previous research related to sensitivity, and the sensitive analysis was analyzed by questionnaire form. Research result shows that the building background of the movie can have an sensitive impact on the audience and will help to understand Chinese traditional style and culture.

• Proceedings of the KIPE Conference
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• 2004.07b
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• pp.846-850
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• 2004

The aim of this research is to bring fish-file that we have worked to place we want worked in flsh and to design Active container that removed window frame in web like general movie player. It being low price, Anyone using, we intend to design container which removed window frame by processing background of function.

• Proceedings of the KIEE Conference
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• 2005.07d
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• pp.3058-3060
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• 2005

In this paper, the CMOS four-quadrant analog multipliers for low-voltage low-power applications are presented. The circuit approach is based on the characteristic of the LV (Low-Voltage) composite transistor which is one of the useful analog building blocks. SPICE simulations are carried out to examine the performances of the designed multipliers. Simulation results are obtained by $0.25{\mu}m$ CMOS parameters with 2V power supply. The LV composite transistor can easily be extended to perform a four-quadrant multiplication. The multiplier has a linear input range up to ${\pm}0.5V$ with a linearity error of less than 1%. The measured -3dB bandwidth is 290MHz and the power dissipation is $37{\mu}W$. The proposed multiplier is expected to be suitable for analog signal processing applications such as portable communication equipment, radio receivers, and hand-held movie cameras.

• Proceedings of the KSRS Conference
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• 2004.10a
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• pp.128-131
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• 2004

In this paper, we describe reconstructed 3D-urban modeling techniques for laser scanner and CCD camera system, which are loading on the vehicle. We use two laser scanners, the one is horizon scanner and the other is vertical scanner. Horizon scanner acquires the horizon data of building for localization. Vertical scan data are main information for constructing a building. We compared extraction of edge aerial image with laser scan data. This method is able to correct the cumulative error of self-localization. Then we remove obstacles of 3D-reconstructed building. Real-texture information that is acquired with CCD camera is mapped by 3D-depth information. 3D building of urban is reconstructed to 3D-virtual world. These techniques apply to city plan. 3D-environment game. movie background. unmanned-patrol etc.

• Annual Conference on Human and Language Technology
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• 2018.10a
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• pp.75-78
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• 2018

감성 분석은 특정 대상에 대한 의견을 수집하고 분류하는 과정이다. 그러나 자연어에 담김 사람의 주관을 파악하는 일은 어려운 일로써, 기존의 감성 단어 사전이나 확률 모델은 이러한 문제를 해결하기 어려웠으나 딥 러닝의 발전으로 문제 해결을 시도할 수 있게 됐다. 본 논문에서는 사전 학습된 문맥 표현을 한국어 감성 분석에 활용하여 더 높은 성능을 낼 수 있음을 보인다.

• Information and Communications Magazine
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• v.28 no.10
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• pp.3-10
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• 2011

The increasing ubiquity of wireless networks and decreasing cost of hardware is fueling a proliferation of mobile devices. These devices are enabling a new revolution in mobile technology, not only running locally on them, but running on cloud as a service as well. From web browsing, email, or video conferencing, presentations to movie and music entertainment or games, multimedia applications, mobile cloud enables providing such diverse applications. Many technologies have been designed to address the limited hardware and performance in thin client PC. However, with the assorted network and graphic condition, those proposed technologies is obligated to alter aim to adapt mobile cloud. In this paper, we provide a survey of client technology on a Server that can be sufficed the requirements of Mobile Cloud. We also analyze each technology and classify with its individual difficulties and challenges.

• Proceedings of the KIEE Conference
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• 2008.07a
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• pp.2010-2012
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• 2008

This study describes a system for human sensibility evaluation using PPG(photoplethysmogram) signal and biofeedback algorithm to respond the bad(negative) mood. For this objective, PPG signals for two emotional states(positive/negative) are collected. To evoke the test emotions, happy(or joyful) and sad(or irritating) movie files are collected and played in subjects' monitor. From the acquired PPG signal, the heart rate variability(HRV) is calculated. Using the HRV and its FFT spectra, the human sensibility is evaluated. Since the heart is a representative organ which is controlled by the autonomic nervous system(ANS), the ANS may reflect the changes in emotion. The biofeedback algorithm is designed with motion image player interacting with the results of the sensibility evaluation. It was shown that HRV was changed according to the subject's emotions. Accordingly, the sensibility evaluation test showed feasibility of the our method.