• 대한의용생체공학회:의공학회지
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• 제29권4호
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• pp.307-315
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• 2008

In this paper, we developed a visual-auditory cue software for reading training of motor speech disorder patients. Motor speech disorder patients can use the visual and/or auditory cues for reading training and improving their symptom. The software provides some sentences with visual-auditory cues. Our sentences used for reading training are adequately comprised on modulation training according to a professional advice in speech therapy field. To ameliorate reading skills we developed two algorithms, first one is automatically searching the starting time of speech spoken by patients and the other one is removing auditory-cue from the recorded speech that recorded at the same time. The searching of speech starting time was experimented by 10 sentences per 6 subjects in four kinds of noisy environments thus the results is that $7.042{\pm}8.99[ms]$ error was detected. The experiment of the cancellation algorithm of auditory-cue was executed from 6 subjects with 1 syllable speech. The result takes improved the speech recognition rate $25{\pm}9.547[%]$ between before and after cancellation of auditory-cue in speech. User satisfaction index of the developed program was estimated as good.

• 디지털융복합연구
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• 제16권7호
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• pp.441-449
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• 2018

본 연구는 중심부 암점 환자에게 적용하기 위한 한글기반 중심외보기 훈련 소프트웨어를 구성하고, 정안인을 대상으로 프로그램의 효과성을 파악하고자 하였다. 한글기반 중심외보기 훈련 소프트웨어는 신속순차시각제시를 이용한 한글자극으로 구성하였다. ABA 설계(ABA design) 개별실험연구설계를 위해 정안인 남자 대학생 2명에게 훈련 전후 기초선 각 3회기, 훈련은 3주간 8회기를 시행하고, 매회기 단문읽기속도를 측정하였다. 중심외보기 훈련 프로그램은 단어읽기 훈련 3단계와 문장읽기 훈련 2단계, 총 5단계로 구성하였다. 구성된 프로그램 훈련 결과, 단문읽기속도는 훈련전보다 훈련 후 2표준편차 이상 증가하였음을 나타냈다. 본 연구를 통하여 한글기반의 체계적인 중심외보기 훈련 소프트웨어를 구성하여 국내 임상 현장에서 적용할 근거를 마련하였고, 사전연구를 통하여 중심외보기 훈련의 가능성을 확인할 수 있었다.

• ETRI Journal
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• 제32권3호
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• pp.486-489
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• 2010

This letter presents a modified Pegasos algorithm for graph-based dependency parsing. We show that the modified Pegasos algorithm outperforms the margin infused relaxed and passive aggressive algorithms in three languages.

• International Journal of Internet, Broadcasting and Communication
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• 제15권4호
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• pp.149-159
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• 2023

The Republic of Korea (ROK) Army is developing the Army Synthetic Battlefield Training System and plans divisional-level Live, Virtual, and Constructive (LVC) integrated training. This study proposes a plan to apply VR/AR/MR (Virtual Reality/Augmented Reality/Mixed Reality) technology to LVC integrated training systems to enhance the efficiency and effectiveness of future LVC integrated training. The study investigated immersive military training systems in the ROK and advanced countries. As a result, we confirm that immersive technology can significantly improve the efficiency and effectiveness of military training. Accordingly, we review the key technologies required for building a defense training system with immersive features and propose training subjects that can be enhanced in effectiveness and efficiency when built with an immersive approach. We also propose a plan to apply immersive technology to the Live, Virtual, and Constructive systems for the development of future LVC integrated training system.

• 한국멀티미디어학회논문지
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• 제22권1호
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• pp.44-54
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• 2019

Recently, image-based object detection has made great progress with the introduction of Convolutional Neural Network (CNN). Many trials such as Region-based CNN, Fast R-CNN, and Faster R-CNN, have been proposed for achieving better performance in object detection. YOLO has showed the best performance under consideration of both accuracy and computational complexity. However, these data-driven detection methods including YOLO have the fundamental problem is that they can not guarantee the good performance without a large number of training database. In this paper, we propose a data sampling method using CycleGAN to solve this problem, which can convert styles while retaining the characteristics of a given input image. We will generate the insufficient data samples for training more robust object detection without efforts of collecting more database. We make extensive experimental results using the day-time and night-time road images and we validate the proposed method can improve the object detection accuracy of the night-time without training night-time object databases, because we converts the day-time training images into the synthesized night-time images and we train the detection model with the real day-time images and the synthesized night-time images.

• 한국컴퓨터정보학회논문지
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• 제26권9호
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• pp.97-104
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• 2021

1993년 이후 국산화에 성공한 해군 전투체계는 다양한 국내외 함정에 탑재되어 다방면에서 꾸준한 발전을 이루어왔다. 반면 함정 통합기관제어체계(Engineering Control System, ECS) 소프트웨어는 아직도 해외 업체에 의존적임으로 해군 방위산업에서도 ECS의 국산화에 많은 관심과 연구들이 진행되고 있다. 다양한 연구 중 하나로 해군 함정에 공통적으로 적용 가능한 국산 ECS 소프트웨어 선행연구가 진행되고 있다. 본 논문에서는 함정 전투체계(Combat Management System, CMS)의 국산화를 하면서 개선하고 발전하였던 객체지향 프로그래밍과 표준화를 ECS의 함상훈련계통(On-Board Training System, OBTS) 소프트웨어에 적용하여 ECS OBTS 소프트웨어의 표준 아키텍쳐로 Ecs Obts Scalable Platform Architecture(EOSPA)를 제시하고 각 컴포넌트의 구조와 기능 및 특징을 소개한다. 더 나아가 다양한 함정에서 EOSPA를 적용한 ECS OBTS 소프트웨어 개발에 있어 높은 재사용성, 유지보수성을 기대한다.

• 한국컴퓨터정보학회논문지
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• 제24권8호
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• pp.167-176
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• 2019

In this paper, we propose students' perception of software education according to the type of school. So, in this study, 47373 students were surveyed about the perception of SW education, and the results of the questionnaire were analyzed according to school type, gender, school level, experience of software education and event, and duration of software education experience. As a result, students attending software education lead schools showed the highest perception about software education, followed by software education research school and general school. In gender, males were more positive than females. The level of satisfaction and effectiveness of software education in school level was higher as the school level was lower, but the perception and career area of software education was higher as the school level was higher. In addition, software training and event experience have a positive effect on students' perception of software education, and the perception of software education changes positively as the duration of software education increases.

• 한국정보통신학회논문지
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• 제21권5호
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• pp.945-950
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• 2017

소프트웨어의 취약점으로 인하여, 국가의 사이버 인프라와 실물 금융자산 에 대한 해킹 공격이 발생하고 있다. 소프트웨어는 인터넷 정보제공과 사이버 금융결제 및 사이버 인프라를 통제하고 운영하는, 운영체제 및 실행시스템을 구성하는 필수요소이기 때문이다. 이러한 소프트웨어 취약점을 분석하고, 보안성을 강화해야 사이버 인프라의 보안성이 강화되고, 실제 국가와 국민의 실제 생활에 보안성이 강화된다. 소프트웨어 개발보안 제도 분석과 소프트 웨어 개발보안 진단 분석 및 소프트웨어 취약점의 보안성 강화를 위한 연구를 한다. 또한 소프트웨어 취약점 진단원 양성 및 보수교육을 위한 교재개발과 진단원 시험문제 개발 및 진단원의 파일럿 테스트, 그리고 진단원의 투입인력 비용기준을 연구한다. 본 논문의 연구는 소프트웨어 취약점 진단원을 양성하는 교육과정과 진단가이드를 제시하여, 국가와 국민 생활의 사이버 인프라의 소프트웨어 보안성을 강화하는 데 목적이 있다.

• International journal of advanced smart convergence
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• 제9권1호
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• pp.202-208
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• 2020

Body balance necessary for ordinary daily activities can be undermined by diverse causes. In this study, as a way to control such a problem, we have produced smart insole as a wearable device in the form of insole and developed analysis software evaluating body balance, which measures ground reaction force applied to each area of sole and Center of Pressure (COP). The software visualized changes in COP positions while a user was moving and average COP positions, and it is also capable of measuring the COP values in the Anterior-Posterior (AP) and Medial-Lateral (ML) areas of feet. Through gait analysis, it can analyze the time of walking, strides, speed, COP trajectory while walking, etc. In addition, we have developed training contents for body balance improvement designed in consideration of Y-Balance Test and Timed Up and Go (TUG) Test. They were established in virtual reality similar to daily living environment so that people can expect more effective training results regardless of places.

• 한국멀티미디어학회논문지
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• 제6권4호
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• pp.658-667
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• 2003

Developing tailor made Multimedia courseware ensuring effective implementation of instruction strategies is a challenge that manifests in myriad problems of software design and coding. In this paper an attempt has been made to analyse and identify coding and implementation problems, in the backdrop of using two different multimedia software development tools i.e. Visual Basic and Toolbook, which underpin the development and effectiveness of use of multimedia courseware. Solutions to such problems have been discussed in context of Tool book. The examples presented in this paper are based on the experience of designing and implementation of two large scale professional quality Multimedia courseware development projects.